Alsea Estuary-Alsea River [COA ID: 029]
The Alsea Estuary-Alsea River COA (55 mi2) extends from the Alsea Estuary upstream along the Alsea River toward Trenholm Saddle. It includes the associated riparian upland habitat surrounding the river. This COA is adjacent to the Beaver Creek and Yachats River Area COAs. Recommended Conservation Actions Limit the placement of docks and boathouses in the …
Alvord Lake Basin [COA ID: 194]
The northern extent of this long narrow COA includes Tudor Lake at the eastern base of Steens Mountain. Continuing south and encompassing a large swath of the Alvord Desert, including the seasonal and alkali Alvord Lake, the COA ends just south of the community of Fields in the Pueblo Valley.
Anderson Butte [COA ID: 103]
This area is diverse with open south-facing meadows, oak woodlands, and mature conifers.
Antelope Creek-Paynes Cliffs [COA ID: 099]
This area includes important and rare low eleveation rocky outcropping and cliff habitat as well as Antelope Creek, historically one of the biggest producers of Summer Steelhead in the Rogue Watershed.
Bakeoven Creek-Buckhollow Creek [COA ID: 151]
The northern boundary of this COA follows Buck Hollow Creek, with the remaining boundaries connecting to the Lower Deschutes River (COA ID 148) and Lawrence Grasslands (COA ID 152) COAs.
Baker Valley Wetlands [COA ID: 165]
Located in the Powder River Basin immediately northwest of Baker City and including the town of Haines
Baskett Butte [COA ID: 072]
The Basket Butte COA (27 mi2) is located north of Dallas. It is bordered to the south by the Salem-Willamina Highway and the east by Hwy 99W. This area contains upland oak-dominated hills, Basket Slough, Ash Swale, and headwaters of Salt Creek, tributary of South Yamhill River. Recommended Conservation Actions Maintain and restore existing habitat …
Basque Hills Area Plains [COA ID: 202]
Barely crossing into Lake County on its western edge, This COA is predominantly located in southwestern Harney County and connects to the Sage Hen Creek COA (201) and the Hart Mountain Area COA (200) on its western and southeastern borders. It encompasses an area from Mahogany Mountain in the north to the southern edge of …
Bear Valley [COA ID: 177]
Located south of John Day, along the Silvies River and including the town of Seneca. Area encompasses important wetland and riparian habitats in the valley.
Beaver Creek [COA ID: 027]
The Beaver Creek COA (32 mi2) extends from Brian Booth State Park east into the Siuslaw National Forest, just north of Drift Creek Wilderness. The Beaver Creek Watershed contains a variety of diverse and productive habitats. This COA is adjacent to the Yaquina Bay and Alsea Estuary-Alsea River COAs. Recommended Conservation Actions Create upland open …
Big Butte Area [COA ID: 122]
This area is in the foothills of the West Cascades ecoregion and contains important Oak Woodland and Ceanothus Shrubland habitats.
Big Marsh Creek [COA ID: 133]
Area includes river headwaters near Crescent Lake Junction and flows into Oregon Cascades National Recreation Area.
Boardman Area [COA ID: 154]
South of the Columbia River, in north central Oregon. Area includes important conservation lands near the Boardman Conservation Area; Willow Creek Wildlife Area; and grassland included in The Nature Conservancy conservation portfolio
Breitenbush River [COA ID: 110]
The Breitenbush River COA (73 mi2) extends from the edge of the Opal Creek Wilderness eastward into the Cascades, up toward Potato Butte. This area contains mid to high elevation managed forest and tributaries of the North Santiam River. This COA is adjacent to the Mt Jefferson Wilderness, North COA. Recommended Conservation Actions Identify and …
Brothers-North Wagontire [COA ID: 184]
The northern extent of this COA includes the Bear Creek Buttes and Rodman Rim area in the Ochoco Mountain foothills. South of US Highway 20, the COA encompasses Pine Mountain and a large area of sagebrush steppe dotted by numerous buttes north of Christmas Valley. Heading east it covers Elk Mountain and Rams Butte before …
Bull of the Woods, North [COA ID: 108]
The Bull of the Woods, North COA (27 mi2) is located along the northern edge of the Bull of the Woods Wilderness in the Mount Hood National Forest. This COA contains portions of the Collawash River and its tributaries, which feed into the Clackamas River further downstream. Recommended Conservation Actions Create quality rearing habitats for …
Bull Run-Sandy Rivers [COA ID: 105]
The Bull Run – Sandy River COA (200 mi2) includes the headwaters of the Sandy River and its tributaries, including the Bull Run River. Nearly all the Bull Run Watershed is contained within this COA, which is a protected area that provides drinking water to the city of Portland. This area is located almost entirely …
Bully Creek Area [COA ID: 183]
Adjacent to North Fork Malheur – Monument Rock area, including significant stretches of Clover Creek and Bully Creek
Burnt River [COA ID: 166]
Includes important stretch of the Burnt River and adjacent riparian habitat. Includes the town of Bridgewater.
Calapooia River [COA ID: 082]
The Calapooia River COA (79 mi2) extends from just upstream of the confluence of the Calapooia and Willamette Rivers, upstream along the Calpooia River all the way to the border of the Willamette National Forest. The area includes the associated riparian and upland areas surrounding the river. This COA is adjacent to the Crawfordsville Oak-Washburn …
Cape Ferrelo [COA ID: 051]
This area includes unique rocky intertidal habitat, important shorebird habitat, and coastal bluffs.
Central Cascades Crest, Southeast [COA ID: 116]
Directly adjacent to the Upper Deschutes River COA.
Central Cascades Crest, West [COA ID: 113]
The Central Cascades Crest, West COA (345 mi2) extends down the westside of the Cascade crest from Sentinel Creek down to Skookum Creek and Battle Peak. The area is partially bounded by the North Santiam River to the north, the McKenzie River to the west, the Middle Fork Willamette to the south, and the Mt …
Chetco River-Winhchuck River Estuaries [COA ID: 052]
This diverse area includes habitats ranging from coastal dunes and estuaries to mature upland conifer forests.
Chewaucan River [COA ID: 141]
Area includes the Chewaucan River and surrounding habitats
Clackamas River and Tributaries [COA ID: 065]
The Clackamas River and Tributaries COA (59 mi2) extends from the confluence with the Willamette River area upstream to Estacada and includes the associated floodplain, tributaries, and upland habitats of the lower Clackamas River. This COA is adjacent to the Lower Willamette River Floodplain COA. Recommended Conservation Actions Maintain and enhance in-channel watershed functions, connection …
Clatskanie River [COA ID: 008]
The Clatskanie River COA (46 mi2) covers a large portion of the Clatskanie River Watershed, from its origins in the Coast Range down to the city of Clatskanie. It contains important riparian and upland habitat for many strategy species. This COA creates a contiguous chunk of habitat along with the Columbia River – Blind Slough …
Clatsop Plains [COA ID: 001]
The Clatsop Plains COA (34 mi2) extends along the Oregon coast from the Columbia River to Gearhart. It contains Gearhart Fen, the largest contiguous wetland of its kind remaining on the Oregon coast. The Clatsop Plains beaches provide habitat for shorebirds during migration (e.g. Sanderlings) and potential areas for nesting Western Snowy Plovers. This COA …
Clatsop State Forest-Jewel Meadows Area [COA ID: 007]
The Clatsop State Forest – Jewel Meadows Area COA (49 mi2) extends to the north of the town of Jewell. The watershed provides critical habitat for many Coast Range plant and animal communities. This area is primarily composed of managed forest including components of mature stands, remnant large trees and open upland grassland meadows. This …
Coburg Ridge [COA ID: 087]
The Coburg Ridge COA (52 mi2) extends from just outside Coburg at Coburg Ridge northward to Indian Head. The area includes the surrounding ridgelines, foothills, and associated lowlands. This COA is adjacent to the McKenzie River Area, Calapooia River, and Mohawk River COAs. Recommended Conservation Actions Maintain and enhance grasslands, remnant native wet prairies and …
Cold Springs National Wildlife Refuge Area [COA ID: 156]
Just east of Hermiston and extending to include a small stretch of the Columbia River. Includes Cold Springs National Wildlife Refuge
Columbia River-Blind Slough Swamp [COA ID: 006]
The Columbia River – Blind Slough Swamp COA (144 mi2) is an large area on the lower Columbia River Estuary which extends from just east of Tongue Point upstream to Crims Island. The area includes many islands on the Oregon side of the Columbia River, as well as the Lewis and Clark National Wildlife Refuge …
Coos Bay [COA ID: 043]
The Coos Bay COA (117 mi2) encompasses Coos Bay, the Coos Bay estuary, and surrounding habitats. It includes the towns of Coos Bay and North Bend, as well as surrounding lowlands and low gradient streams that mostly flow through agricultural pasturelands. This COA is adjacent to the Tenmile Lake and Lower Coquille River COAs. Recommended …
Coos Mountain-Middle Creek [COA ID: 044]
The Coos Mountain-Middle Creek COA (87 mi2) follows Middle Creek northward and includes surrounding riparian and upland habitat. Middle Creek is a major tributary of the North Fork Coquille River. This COA is a checkerboard mix of private timber lands and BLM lands. This COA is adjacent to the Lower Coquille River COA. Recommended Conservation …
Corvallis Area Forests and Balds [COA ID: 081]
The Corvallis Area Forests and Balds COA (135 mi2) extends from Airlie Rd, just north of the E.E. Wilson Wildlife Area, south to just past Decker Rd. This area spans the Greasy Creek and Mary’s River Drainages south and west of Philomath, is bordered to the west by Kings Valley, and continues through the hills …
Crater Lake [COA ID: 121]
Crater Lake, Crater Lake National Park and surrounding wetlands and forest habitats.
Crawfordsville Oak-Washburn Butte [COA ID: 085]
The Crawfordsville Oak-Washburn Butte COA (17 mi2) eztends from northeast of Brownsville eastward to Hwy 228. The area is primarily forested, covering the foothills north of the Calapooia River. This COA is adjacent to the Calapooia River COA. Recommended Conservation Actions Maintain or restore riparian and wetland habitats ecological functions and connectivity; ensure sufficient habitat …
Crowley [COA ID: 185]
This rugged COA begins in Harney County near the confluence of Crane Creek and the South Fork Malheur River. Moving north east, the COA crosses into Malheur County and wraps around Swamp Creek Buttes. Continuing north towards Juntura, it then follows an eastward line (south of US Highway 20) towards Namorf. Finally, the COA heads …
Deer Island [COA ID: 053]
The Deer Island COA (11 mi2) covers the entirety of Deer Island, which is located from river mile 78-81 along the Lower Columbia River. The island contains important riparian and shoreline habitat for many strategy species. Land ownership is a mix of small private parcels and preserved land owned by the Columbia Land Trust. Deer …
Depoe Bay Area [COA ID: 023]
The Depoe Bay Area COA (4 mi2) is a small area located in the foothills east of Depoe Bay consisting primarily of small private timber properties. This COA is adjacent to the Siletz River COA. Recommended Conservation Actions Maintain and restore existing habitat and ecological function, ensuring sufficient habitat complexity for wildlife. Local Conservation Actions …
Deschutes River [COA ID: 149]
Mainly located on the Warms Springs Reservation, this narrow COA includes a section of the Deschutes River from above the confluence with the Warms Springs River, north to approximately 1.5 miles below White Horse Rapids. From east to west the COA runs from the east side of the Deschutes River, adjacent to White Horse rapids, …
Devil’s Lake [COA ID: 020]
The Devil’s Lake COA (5 mi2) extends from Lincoln City north to the end of Devil’s Lake. It consists primarily of Devil’s Lake and the input from Rock Creek. This COA is adjacent to the Salmon River Estuary-Cascade Head COA. Recommended Conservation Actions Install boat wash stations at Devil’s Lake to help control invasive invertebrates. …
Dry Valley [COA ID: 144]
Area includes important stretches of Dry Creek, Drews Creek and Dog Lake
Dundee Oaks [COA ID: 066]
The Dundee Oaks COA (8 mi2) is a small chunk of habitat between Carlton and Dundee. This area includes a portion if the Red Hills of Dundee, and separates the Chehalem Valley from the Yamhill River basin and the headwater tributaries of the Yamhill River. Recommended Conservation Actions Manage public access and recreation with fish, …
East Fork Illinois River [COA ID: 101]
This area includes important riparian habitat in the East Fork Illinios River and Sucker Creek for Coho Salmon and Pacific Lamprey.
East Madras-Trout Creek Sagebrush and Grassland Area [COA ID: 172]
Adjacent to Lower John Day COA, just east of the town of Madras.
Elliott State Forest [COA ID: 041]
The Elliott State Forest COA (71 mi2) is located inland from the town of Lakeside, bounded by the Umpqua River to the north. This COA includes nearly the entire West Fork Millicoma River drainage, plus streams flowing into the Tenmile Lakes, Umpqua River, and Mill Creek. This COA is adjacent to the Tenmile Lake and …
Eola Hills [COA ID: 073]
The Eola Hills COA (22 mi2) is located just west of Salem and north of Hwy 22, extending west to just past Richards Creek. This area includes tributaries of the South Yamhill River, Willamette River, and Rickreall Creek. This COA is adjacent to the Basket Butte COA. Recommended Conservation Actions Maintain and restore existing habitat …
Fields Peak [COA ID: 176]
Just north of Bear Valley COA and east of the South John day River COA
Fifteenmile Creek [COA ID: 147]
Area just east of The Dalles Airport, following Fifteen Mile Creek, and extending north to the Oregon/Washington border along the Columbia River.
Finley-Muddy Creek Area [COA ID: 084]
The Finley-Muddy Creek Area COA (48 mi2) extends from just south of Corvallis down to just south of the Finley Wildlife Refuge, bordered to the east by Hwy 99. This COA is adjacent to the Corvallis Area Forests and Balds and Upper Willamette River Floodplain COAs. Recommended Conservation Actions Maintain and enhance wetlands, ponds, and …
Forest Park [COA ID: 058]
The Forest Park COA (80.5 mi2) is located in the Tualatin Mountains and extends from the edge of downtown Portland northward to Dixie Mountain and Snooseville Corner in the Coast Range. This area contains one of the largest urban parks in the county (Forest Park), as well as some highly residential neighborhoods in Portland’s west …
Foster Flat-Black Rim Sagebrush Area [COA ID: 191]
Located in the Foster Flat area, south of Harney Lake and west of US Highway 205, this COA encompasses large areas of sagebrush steppe shrublands and scattered wetlands.
Gales Creek [COA ID: 013]
The Gales Creek COA (58 mi2) extends from the edge of Forest Grove west into the Tillamook State Forest, toward Larch Mountain and the crest of the Cascade Range. The area is a late successional mixed deciduous and conifer forest with wetlands, flowing water and riparian habitats in the Gales Creek watershed. This COA is …
Gearhart Mountain-North Fork Sprague [COA ID: 140]
Includes the North Fork Sprague river and its surrounding habitat; includes the area surrounding Gearhart Wilderness Area
Grande Ronde Valley [COA ID: 159]
This COA encompasses the Ladd Marsh Wildlife Area and a buffered area adjacent to the Grande Ronde River from La Grande to several miles below Elgin.
Grave Creek [COA ID: 094]
Area connects the Rogue River and King Mountain COAs, following Grave Creek and its surrounding habitat. Located just north of the town of Merlin
Habeck Oaks [COA ID: 074]
The Habeck Oaks COA (16 mi2) is located directly east of Falls City, extending northeast toward the edge of Dallas. This area is primarily privately-owned mixed farmland and forest located north of the Little Luckiamute River. This COA is adjacent to the McTimmons Valley – Airlie Savanna COA. Recommended Conservation Actions Maintain a diversity of …
Harney-Malheur Area [COA ID: 187]
This COA encompasses both Harney and Malheur Lakes at the north end and then heads south along the Donner and Blitzen River and Blitzen Valley. An eastern finger of the COA continues out of the valley as far as the town of Diamond and the southern finger ends near French Glen.
Hart Mountain Area [COA ID: 200]
Mainly located in south eastern Lake County, this COA encompasses an area from the Oregon/Nevada border in the south; Coleman Valley and Warner Valley in the west; Guano Valley and Mahogany Butte in the east, and across to the southeastern corner of Hart Mountain National Antelope Refuge in the north. The COA includes several protected …
Hayden Island-Government Island [COA ID: 055]
The Hayden Island-Government Island COA (5 mi2) includes portions of multiple Columbia River islands to the north of Portland just outside city limits. The COA includes islands located between river miles 111 and 119: the western section of Hayden Island, Government Island, Tri Club Island, Lemon Island and McGuire Island. These large riverine islands are …
Heceta Head [COA ID: 031]
The Heceta Head COA (70 mi2) extends from Cummins Creek Wilderness down to Mercer Lake. It includes Heceta Head, which is a coastal headland with nearby Steller sea lion haul outs. This COA is adjacent to the Yachats River Area, North Fork Siuslaw River, and Sutton Lake Area COAs. Recommended Conservation Actions Preserve balds and …
Hood River [COA ID: 106]
The Hood River COA (40 mi2) extends from the confluence with the Columbia River upstream to where the river leaves the Mt Hood National Forest, and includes the floodplains and associated uplands of the lower Hood River. This COA is adjacent to the Mt Hood Area COA. Recommended Conservation Actions Work with partners to exclude …
Illinois River-Silver Creek [COA ID: 096]
This large and diverse COA includes mature conifer forests as well as dense manzanita and Ceanothus brush fields created by the 2002 biscuit fire, which burned 500,000 acres in the Siskiyou National Forest. The COA contains serpentine soils that are home to the rare and endemic plant that make the Klamath Mountain Ecoregion an area …
Imnaha [COA ID: 161]
Follows canyons along the Snake River from Hwy 86 north to the ecoregion boundary
Jordan Creek Wetlands [COA ID: 195]
Located in east-central Malheur County, this small COA encompasses Jorden Valley and the surrounding hills, from the Oregon/Idaho border west into Jordan Creek Canyon.
Kalmiopsis Area [COA ID: 100]
This areas borders the western edge of the Kalmiopsis Wilderness and has unique plant communities due to the serpentine soils endemic to the Klamath Mountains ecoregion.
King Mountain Area [COA ID: 095]
This area contains federal lands intermixed with private ownership in a checkerboard matrix. Habitat is diverse inlcuding mature conifer forests, open early seral habitat created by logging, and oak woodlands. The area may serve as a possible movement corridor connecting the introduced southern Cascade Pacific Fisher population to the native Northern California/Southern Oregon population.
Kings Valley-Woods Creek Oak Woodlands [COA ID: 080]
The Kings Valley-Woods Creek Oak Woodlands COA (37 mi2) extends from Maxfield Creek Rd near the Polk-Benton county line down to Hyde Creek and Hwy 34. This COA is adjacent to the Luckiamute River and Tributaries, Corvallis Area Forests and Balds, and Mary’s Peak COAs. Recommended Conservation Actions Maintain and enhance grassland/prairie habitats, oak savanna, …
Kingston Prairie-Scio Oak Pine Savanna [COA ID: 079]
The Kingston Prairie-Scio Oak Pine Savanna COA (17 mi2) extends from the town of Scio east to Bear Branch Creek. It is located just south of the North Santiam River and north of Thomas Creek. This area consists largely of small private properties, many of which are agricultural. This COA is adjacent to the Santiam …
Klamath Marsh-Williamson River [COA ID: 134]
Large natural marsh with adjacent Ponderosa Pine forest habitat. Williamson River area spans Klamath Marsh National Wildlife Refuge and Sycan Marsh.
Klamath River Canyon [COA ID: 142]
Area follows the Klamath River to the California border
Lake Abert [COA ID: 197]
Located in central Lake County, this COA encompasses Lake Abert, including the Lake Abert Area of Critical Environmental Concern and portions of the Abert Rim Wilderness Study Area.
Lawrence Grasslands [COA ID: 152]
In the southwest corner of the ecoregion just west of Antelope.
Little Deschutes River [COA ID: 132]
Area includes the Little Deschutes River, a tributary of the Deschutes River. The Little Deschutes drains a rural area on the eastside of the Cascade Range.
Little Louse Canyon [COA ID: 205]
Located in Southeastern Malheur County, this western extent of this COA includes High Peak and Battle Mountain; the eastern edge is found close to Louse Creek; its northern extent is approximately five miles north of Big Antelope Creek – before its confluence with the Owyhee River; and the southern border includes the upper reaches of Big Antelope …
Little North Santiam River Area [COA ID: 109]
The Little North Santiam River COA (45 mi2) extends from Silver Falls State Park eastward into the Cascades toward the Willamette National Forest boundary. The area primarily consisted of mixed conifer forest and includes the headwaters of North Santiam and Pudding Rivers. It is comprised of a matrix of private industrial forest and both state …
Logan Valley-John Day River Headwaters [COA ID: 179]
Area just west of John Day and including the town of Prairie. Area encompasses the John Day River headwaters and a variety of diverse Strategy Habitats
Long Creek-Coyote Creek-Silver Creek [COA ID: 135]
Area comprised of three major sub-watersheds immediately adjacent to Sycan Marsh, including river confluence.
Lost River Area [COA ID: 143]
Includes the Lost River Basin and surrounding native habitats
Lower Coquille River [COA ID: 045]
The Lower Coquille River COA (108 mi2) follows the Lower Coquille River from its mouth at the Oregon coast and extending east to Highway 42 and upriver past Myrtle Point to Sugarloaf Mountain. This COA is adjacent to the Coos Bay, Coos Mountain-Middle Creek, South Fork Coquille, and New River Area COAs. Recommended Conservation Actions …
Lower Deschutes River [COA ID: 148]
Follows the Lower Deschutes River Corridor and includes surrounding habitat.
Lower Grande Ronde [COA ID: 158]
This COA follows the Grande Ronde River from the Oregon/Washington border to its confluence with the Wallowa River, then continues up the Wallowa to Highway 82 and the Minam River confluence. It includes many of the smaller tributaries and significant portions of larger tributaries.
Lower John Day River [COA ID: 153]
Area follows the lower John Day River and surrounding habitats.
Lower Rogue River and Estuary [COA ID: 049]
This are contains the mouth of the Rogue River and is important habitat for Salmonids accessing the rest of the system. It has mature upland forests with a productive hardwood understory that supports a diverse assemblage of wildlife species.
Lower Sandy River [COA ID: 057]
The Lower Sandy River COA (42 mi2) extends from the confluence of the Sandy and Columbia Rivers up along the Lower Sandy River and its tributaries. The are includes the Sandy River Delta, Beaver Creek, and the lower reaches of the Bull Run River. This COA is located on the eastern edge of the Portland …
Lower Willamette River Floodplain [COA ID: 059]
The Lower Willamette River Floodplain COA (17 mi2) extends along the mainstem Willamette River from the confluence with the Columbia River upstream to Willamette Falls in Oregon City (river miles 0 to 26). This COA includes the river’s floodplain and adjacent uplands. This COA is adjacent to the Sauvie Island – Scappoose, Forest Park, Smith-Bybee …
Luckiamute River and Tributaries [COA ID: 075]
The Luckiamute River and Tributaries COA (81 mi2) begins at the confluence of the Luckiamute and Willamette Rivers and extends up the drainages of the Luckiamute and Little Luckiamute Rivers. The area includes the surrounding upland habitats around the rivers, and many nearby agricultural areas surrounding Kings Valley and south of Falls City. This COA …
Malheur River Headwaters [COA ID: 180]
The Malheur River Headwaters COA spans two ecoregions. Within the BM ecoregion, the COA includes Logan Valley and part of the Strawberry Mountain Wilderness and continues south to Battle Mountain (just north of Highway 306). Within the NBR, the COA is comprised of land associated with the Malheur River south of Battle Mountain to approximately …
Mary’s Peak [COA ID: 028]
The Mary’s Peak COA (48 mi2) extends from the Siuslaw National Forest around Mary’s Peak westward into the Coast Range, out toward Lone Spring Mountain and Grass Mountain. This COA is adjacent to the Kings Valley – Woods Creek Oak Woodlands COA. Recommended Conservation Actions Maintain and enhance existing forest and woodland habitats, especially older …
McKenzie River Area [COA ID: 114]
The McKenzie River Area COA (116 mi2) extends from the confluence with the Willamette River upstream to Sardine Butte and includes the associated floodplain, tributaries, and upland habitats of the McKenzie River. This COA is adjacent to the Upper Willamette River Floodplain, Coburg Ridge and Mohawk River COAs. Recommended Conservation Actions Maintain and enhance in-channel …
McTimmons Valley – Airlie Savanna [COA ID: 076]
The McTimmons Valley – Airlie Savanna COA (11 mi2) is located west of Lewisville. Although small, this area contains important grassland and oak savanna habitat surrounding McTimmonds Creek and the McTimmonds Valley. This COA is adjacent to, and almost entirely bordered by, the Luckiamute River and Tributaries COA. Recommended Conservation Actions Maintain and restore existing …
Metolius Bench-Mutton Mountains Wildlife Movement Corridor [COA ID: 150]
This long narrow COA spans two ecoregions. Within the East Cascades, it begins on the south side of the Metolius River, northwest of Lake Billy Chinook, and crosses over the river and into the Warm Springs Reservation. Heading north east, the COA crosses into the Blue Mountains ecoregion, across US Highway 26, and at its …
Metolius River Area [COA ID: 127]
Includes Metolius River basin, includes Green Ridge, and extends to include nearby valleys. Nationally known scenic recreation area that provides high quality habitat for fish and wildlife in Central Oregon.
Middle Fork John Day River [COA ID: 170]
Includes significant stretch of Middle Fork John Day River, Long Creek, and part of the North Fork John Day River.
Middle Fork Willamette River [COA ID: 115]
The Middle Fork Willamette River COA (167 mi2) extends from Lookout Point Lake upstream along the Middle Fork Willamette River and into the surrounding forestlands as far east as Huckleberry Mountain. The area skirts along the northern edge of Oakridge, and goes north to Alpine Ridge. This COA is adjacent to the Upper Willamette River …
Middle Owyhee River Area [COA ID: 186]
This COA is located in the northeast quarter of Malheur County and abuts the Crowley COA to the west. It encompasses Owyhee Lake and River from just east of Mitchell Butte (near the city of Adrian) south to Greeley Bar. Continuing south and east, the COA includes the rugged landscape of Mahogany Mountain, Jordan Craters, …
Middle Willamette River Floodplain [COA ID: 060]
The Middle Willamette River Floodplain COA (102 mi2) extends along the mainstem Willamette River from Willamette Falls to the confluence with the Calapooia River near Albany (river miles 26 to 120). This COA includes the river’s floodplain and adjacent uplands. This COA is adjacent to the Lower Willamette River Floodplain, Upper Willamette River Floodplain, Pudding …
Middlefork Willamette River Headwaters [COA ID: 118]
The Middlefork Willamette River Headwaters COA (71 mi2) extends from Hills Creek Reservoir south and east toward Summit Lake and the edge of the Diamond Peak Wilderness. This area includes a significant stretch of the Middle Fork Willamette River, including many of its headwaters streams. Recommended Conservation Actions Maintain and restore wetland and wet meadow …
Mill Creek [COA ID: 024]
The Mill Creek COA (5 mi2) is located at the eastern edge of the Coast Range Ecoregion, northwest of the town of Dallas. This small area extends along Mill Creek and includes Dorn Peak and a checkerboard of private and public land ownership. This COA is adjacent to the Red Prairie – Mill Creek – …
Missouri Ridge [COA ID: 070]
The Missouri Ridge COA (6 mi2) is located between Scotts Mills and Molalla in the Rock Creek subbasin, a tributary of the Pudding River. This COA is adjacent to the Molalla River COA. Recommended Conservation Actions Work with collaborators and private landowners to minimize habitat loss, especially in relation to potential effects of climate change. …
Mohawk River [COA ID: 088]
The Mohawk River COA (15 mi2) extends from outside Springfield up the Mohawk River to Marcola. The area includes the surrounding foothills and associated lowlands. This COA is adjacent to the McKenzie River Area and Coburg Ridge COAs. Recommended Conservation Actions Continue efforts to maintain high water quality and meet temperature standards for Mohawk River …
Molalla River [COA ID: 069]
The Molalla River COA (38 mi2) extends along the Molalla River corridor from Mulino upstream to the Dickie Prairie area, and includes the associated floodplain, tributaries, and upland habitats. This COA is adjacent to the Missouri Ridge COA. Recommended Conservation Actions Maintain and enhance in-channel watershed functions, connection to riparian habitat, water flow and hydrology. …
Mt Hood Area [COA ID: 107]
The Mt Hood Area COA (143 mi2) is located within Mount Hood National Forest and includes the headwater streams of Hood, Clackamas, Sandy and White Rivers. The area is a late successional mixed conifer forest with wetlands, open meadows, alpine lakes, flowing rivers and riparian habitats. This COA is adjacent to the Hood River COA. …
Mt Jefferson Wilderness, North [COA ID: 111]
The Mt Jefferson Wilderness, North COA (57 mi2) is located directly east of the Mount Jefferson Wilderness. This area extends from just north of Olallie Lake south to Bear Butte and Waldo Glacier, and includes the headwaters of the Clackamas, North Santiam and Deschutes Rivers. The area is high elevation late successional mixed conifer forest …
Necanicum Estuary [COA ID: 002]
The Necanicum Estuary COA (3 mi2) covers a small portion of the Oregon Coast near Seaside, much of which is designated as a conservation estuary within the Necanicum Estuary Natural History Park. This COA encompasses the area where the Necanicum River and Neawanna Creek meet the Pacific Ocean, and contains a network of freshwater and …
Necanicum River [COA ID: 004]
The Necanicum River COA (26 mi2) extends along the Necanicum river corridor from Seaside up into the Coast Range. This watershed provides critical habitat for many coastal plant and animal communities. Floodplains and associated wetland and riparian ecosystems provide important flood protection for downstream communities and act as corridors allowing wildlife to move along and …
Nehalem and Salmonberry River Headwaters [COA ID: 012]
The Nehalem and Salmonberry River Headwaters COA (94 mi2) extends from just outside the town of Timber up toward Buck Mountain and Pinochle Peak. The area is a late successional mixed conifer forest with flowing water and riparian habitats. This COA is adjacent to the North Fork Nehalem River, Gales Creek, and Tillamook Bay and …
Nehalem River Estuary [COA ID: 009]
The Nehalem River Estuary COA (32 mi2) extends from Nehalem Bay upstream toward Aldervale to the north and Barnesdale to the south. There are many important habitat features within eh COA for sensitive fish and wildlife species within Nehalem River / Nehalem Bay and in the associated riparian and upland habitats. This COA is adjacent …
Nestucca Bay [COA ID: 016]
The Nestucca Bay COA (34 mi2) extends from Nestucca Bay up the Nestucca River to Farmer Creek. This area includes the river and associated riparian and upland habitats. Nestucca Bay is important for migratory and wintering shorebirds and waterfowl and marine mammals. This COA is adjacent to the Nestucca River Watershed and Salmon River Estuary-Cascade …
Nestucca River Watershed [COA ID: 017]
The Nestucca River Watershed COA (188 mi2) extends from the western edge of the Siuslaw National Forest outside Cloverdale across the Coast Range over to McGuire Reservoir. The area consists primarily of mixed and late successional conifer forest, riparian areas of Nestucca River, and freshwater wetlands. This COA is adjacent to the Nestucca Bay and …
Netarts Bay [COA ID: 014]
The Netarts Bay COA (26 mi2) extends from Netarts Bay down to Cape Lookout State Park. This area includes the coastal beaches / spits and extends up into the western foothills of the Coast Range. This COA is adjacent to the Tillamook Bay and Tributaries and Sand Lake Area COAs. Recommended Conservation Actions Maintain and …
New River Area [COA ID: 047]
The New River Area COA (102 mi2) is located on the Oregon Coast, bounded by Cape Blanco to the south and Bandon to the north. This COA is adjacent to the Lower Coquille River and Sixes River-Elk River COAs. Recommended Conservation Actions Manage upland habitats and wetlands for diversity of early seral conditions to provide …
Newberry Crater [COA ID: 130]
Includes Newberry Crater and areas immediately west (accessible from Hwy 97). Nationally important geologic and recreation area. Includes Paulina Lake and East Lake.
North Fork John Day River 1 [COA ID: 168]
Located at the border of Umatilla and Grant Counties, including the town of Ukiah, significant stretches of the North Fork of the John Day River, and Camas Creek
North Fork John Day River 2 [COA ID: 169]
To the east of North Fork John Day River 1, this area encompasses high quality habitat for Strategy Species surrounding John Day Wilderness Area and near the town of Granite.
North Fork Malheur-Monument Rock Area [COA ID: 182]
At the border of Baker and Grant Counties, following the North Fork Malheur River and adjacent to Monument Rock Wilderness
North Fork Nehalem River [COA ID: 010]
The North Fork Nehalem River COA (49 mi2) extends from Aldervale up through the lower Nehalem River Watershed toward the headwaters in the Coast Range. This COA is adjacent to the Nehalem River Estuary and Nehalem and Salmonberry River Headwaters COAs. Recommended Conservation Actions Restore ambient streamflow, fish passage, riparian vegetation, floodplain connectivity, and in-stream …
North Fork Siuslaw River [COA ID: 032]
The North Fork Siuslaw River COA (103 mi2) extends upstream along the river from just east of Munsel Lake up toward the river’s upper headwaters near Taylor Ridge in the Siuslaw National Forest. The North Fork Siuslaw River is a low elevation gradient river. This COA is adjacent to the Yachats River Area, Heceta Head, …
North Fork Smith River [COA ID: 037]
The North Fork Smith River COA (67 mi2) extends from the Lane-Douglas county line in the Siuslaw National Forest westward to Roman Nose Mountain. This COA includes a significant portion of the North Fork Smith River and surrounding upland and riparian habitat, including the southern extent of the Siuslaw National Forest. This COA is adjacent …
North Medford Area [COA ID: 097]
This area includes important valley bottom habitat in the Rogue Watershed including the confluence of the Rogue River and Little Butte Creek, Upper and Lower Table Rock, and Vernal Pool habitat.
North Umpqua River Area [COA ID: 090]
The North Umpqua River Area COA (119 mi2) is located on the eastside of Roseburg and includes a significant stretch of the North Umpqua River and its tributaries, as well as surrounding riparian and upland habitats. This COA is adjacent to the Umpqua River and South Fork Umpqua River and Tributaries COAs. Recommended Conservation Actions …
Ochoco Mountains [COA ID: 173]
Immediately adjacent to John Day River area, at the border of Wheeler and Crook Counties
Odell Lake-Davis Lake [COA ID: 117]
Includes Davis Lake and surrounding habitat, continuing west to Salt Creek and encompassing the Crescent Lake Airport
One Horse Slough-Beaver Creek [COA ID: 083]
The One Horse Slough-Beaver Creek COA (48 mi2) extends from the eastside of Lebanon east to Upper Berlin Dr and north nearly all the way to Hwy 226. This area is located along the boundary of the Willamette Valley and West Cascades Ecoregions, adjacent to the South Santiam River. This COA is adjacent to the …
Oregon Caves-Applegate Area [COA ID: 102]
This area north of the Red Buttes Wilderness and includes the Oregon Caves National Monument. Like much of the Klamath Mountains it is home to unique plant and wildlife species with limited ranges in Oregon, including native Pacific Fisher, Siskiyou Mountain Salamanders, and Brazilian Free-tailed Bats.
Pelican Butte-Sky Lakes Area [COA ID: 123]
At the ecoregion boundary adjacent to the East Cascades, and immediately adjacent to the Upper Klamath Lake COA in the East Cascades
Pistol River Estuary [COA ID: 050]
This area contains the Pistol River Estuary, offshore rocky habitat for nesting seabirds, and Coastal Bluffs.
Powder River Sage-Grouse Core Area [COA ID: 164]
Located immediately north of Pleasant valley, adjacent to Wallowa Mountains COA, including a significant stretch of the Powder River.
Pudding River [COA ID: 068]
The Pudding River COA (27 mi2) extends from the confluence with the Molalla River upstream to the Howell Prairie area located west of Mount Angel and includes the associated floodplain, tributaries, and upland habitats of the lower Pudding River. This COA is adjacent to the Middle Willamette River Floodplain COA. Recommended Conservation Actions Maintain and …
Pueblo Mountain [COA ID: 203]
This COA encompasses the southern Oregon Pueblo Mountains from Cottonwood Creek in the north to the Monument Basin in the southwest and then east across the Pueblo Valley towards the foothills of the Trout Creek Mountains. It includes the Pueblo Mountain Wilderness Study Area; the Tum Tum Lake Research Natural Area, and the Pueblo Hills …
Quartz Mountain [COA ID: 131]
Includes significant wetland and wet meadow areas. Immediately adjacent to NB COA “Brothers – North Wagontire”.
Quartzville Creek Area [COA ID: 112]
The Quartzville Creek Area COA (82 mi2) extends from the BLM land near Crabtree Mountain eastward into the Cascades, toward Lucky Butte and South Pyramid Peak. The area includes a major tributary of the Middle Santiam River (Quartzville Creek) and is largely comprised of federally managed late-successional mixed conifer forest southwest of Mount Jefferson. Recommended …
Rattlesnake Creek-Calamity Creek Area [COA ID: 181]
At the border of Grant and Harney County, area encompasses important sections of Rattlesnake Creek and Calamity Creek, immediately adjacent to the Silvies River COA
Red Prairie-Mill Creek-Willamina Oaks South [COA ID: 071]
The Red Prairie – Mill Creek – Willamina Oaks South COA (35 mi2) is located south of Highway 19 along Highway 22 in the foothills of the Coast Range. This area includes tributaries of the South Yamhill River and associated lowland habitats. This COA is adjacent to the Mill Creek and Baskett Butte COAs. Recommended …
Rickreall Creek and Little Luckiamute River Headwaters [COA ID: 025]
The Rickreall Creek and Little Luckiamute River Headwaters COA (17 mi2) extends from just west of the Aaron Mercer Reservoir southwest toward Fanno Peak and Fanno Ridge. The small area straddles the Coast Range and Willamette Ecoregions, just west of Fall City. Recommended Conservation Actions Maintain high quality grassland habitat. Maintain and enhance in-channel watershed …
Rock Creek [COA ID: 120]
Relatively small (31 sq mi) COA encompassing an important stretch of Rock Creek. Area connects Umpqua Headwaters COA and North Umpqua COA, providing important fish and wildlife habitat connectivity.
Rock Creek-Butter Creek Grasslands [COA ID: 155]
This is the largest COA within the Columbia Plateau Ecoregion extending from Rock Creek to Butter Creek, totaling 809 square miles.
Rogue River [COA ID: 093]
This area contains habitat along the mainstem of the Rogue River including portions of the Wild and Scenic area.
Saddle Mountain [COA ID: 005]
The Saddle Mountain COA (33 mi2) extends from the forest outside Gearhart eastward into the Coast Range. It primarily contains private timber land, skirting just to the north of the Saddle Mountain State Natural Area. This COA creates a contiguous chunk of habitat along with the Clatsop Plains, Necanicum Estuary, Necanicum River, and Tillamook Head …
Sage Hen Creek [COA ID: 201]
Located in the southeast corner of Lake County and the southwest corner of Harney County, this COA encompasses the southern and eastern portion of Guano Valley and continues east from Guano Rim to the foothills of Bald Mountain and Acty Mountain. It includes the Spaulding and Hawk Mountain Wilderness Study Areas and the Hawksie-Walksie Research …
Salem Hills-Ankeny NWR [COA ID: 077]
The Salem Hills-Ankeny NWR COA (43 mi2) is located southwest of Turner, extending down to the Ankeny National Wildlife Refuge. This COA is adjacent to the Middle Willamette River Floodplain and Santiam Confluences COAs. Recommended Conservation Actions Maintain and enhance remnant native wet prairie, seasonal wetlands, upland prairie and oak savanna habitat. Maintain and enhance …
Salmon River Estuary-Cascade Head [COA ID: 019]
The Salmon River Estuary-Cascade Head COA (43 mi2) extends from just north of Neskowin south to Otis. This area provides a unique combination of habitat types, from the rocky shoreline inland and includes the Cascade Head Scenic Research Area. It also extends up into the mixed conifer forests of the Coast Range. This COA is …
Sand Lake Area [COA ID: 015]
The Sand Lake Area COA (13 mi2) extends from just south of Cape Lookout State Park down to Sand Lake. This COA is adjacent to the Netarts Bay COAs. Recommended Conservation Actions Promote early detection and removal of invasive plants. Plan future development to maintain key ecological functions and habitats. Restore and maintain tidal marshes …
Santiam Confluences [COA ID: 078]
The Santiam Confluences COA (109 mi2) extends from the confluence of the mainstem with the Willamette River upstream along the North Fork Santiam through confluences with Jefferson Ditch and Valentine Creek, up toward Mill Creek. This COA also extends along the South Santiam River through confluences with Spring Branch, Thomas Creek, Spring Creek, Crabtree Creek, …
Sauvie Island-Scappoose [COA ID: 054]
The Sauvie Island – Scappoose COA (54 mi2) extends along the westside of the Columbia River from Saint Helens to the southern tip of Sauvie Island. This COA contains a mosaic of tidally influenced sloughs, wetland and ponds, along with cottonwood galleries and bottomland hardwood forests. The area includes Sauvie Island, Multnomah Channel, Scappoose Bay and the …
Scoggins Valley-Mount Richmond [COA ID: 063]
The Scoggins Valley – Mount Richmond COA (41 mi2) is located in the foothills of the Coast Range, extending from Henry Hagg Lake south to Moore’s Valley. The area includes the Upper Tualatin-Scoggins Watershed, portions of the North Yamhill River and headwater tributaries, Mount Richmond, and the Oak Ridge / Moore’s Valley area. This COA …
Shady Cove Foothills [COA ID: 098]
This area contains important Oregon and California Oak Woodlands and Ceanothus Shrublands. It is
Siletz Bay [COA ID: 021]
The Siletz Bay COA (10 mi2) covers the Siletz River esturay and the lower reaches of the Siletz River. The Siletz Estuary is a diverse and complex habitat system, occupied by numerous fish and wildlife species. This COA is adjacent to the Siletz River COA. Recommended Conservation Actions Limit the placement of docks and boathouses …
Siletz River [COA ID: 022]
The Siletz River COA (26 mi2) extends past the Siletz Estuary up river to Strome County Park. It also includes a large chunk of mixed conifer National Forest habitat to the east of the estuary, extending up to Diamond Peak and Pea Ridge. This Siletz River is a sandstone/basalt river system with variable flashy winter …
Silver Creek Area [COA ID: 175]
Located at the southern edge of the Blue Mountains Ecoregion, just west of the Silvies River. Area includes ecologically significant stretch of Silver Creek and its surrounding habitat
Siskiyou Crest Area [COA ID: 104]
This area is a long east-west running ridgline typical of the unique geology and ecology of the Klamath Mountains. It contains the head-waters for a number of stream, large mature conifers, and open alpine meadows.
Siuslaw River [COA ID: 035]
The Siuslaw River COA (82 mi2) extends from Mapleton upriver toward the crest of the Coast Range, and includes the associated riparian habitat, uplands and forested habitat surrounding the Siuslaw River. This COA is adjacent to the North Fork Siuslaw River, Siuslaw River Estuary, and North Fork Smith River COAs. Recommended Conservation Actions Enhance stream …
Siuslaw River Estuary [COA ID: 034]
The Siuslaw River Estuary COA (46 mi2) extends from the estuary in Florence up past Tierman. The estuary forms a small bay for the size of the Siuslaw River with many islands and salt/freshwater marshes. This COA is adjacent to the Sutton Lake Area, North Fork Siuslaw River, Siuslaw River, and Tahkenitch-Siltcoos Lakes COAs. Recommended …
Sixes River-Elk River [COA ID: 048]
This area contains much of the Coast Range’s Oak Woodlands and is potential habitat for Western Snowy Plover. It is a key corridor for migrating birds and has high plant and animal diversity.
Smith-Bybee Lakes and Columbia Slough [COA ID: 056]
The Smith-Bybee Lakes and Columbia Slough COA (7.5 mi2) is located along the northern edge of the Portland metropolitan area. The Columbia Slough flows out of Fairview Lake and along the northern edge of Fairview, Maywood Park and Portland through a series of regulated levees. The Columbia Slough eventually connects to the wetland system located …
Soda Mountain Area [COA ID: 124]
This area is a transition zone at the nexus of three ecoregions and as a results has a high diversity of species in unique assemblages.
Soldier Creek-Upper Owyhee River [COA ID: 196]
The eastern edge of this COA follows the Oregon/Idaho border from the Jordan Valley area south to the North Fork Owyhee River. It then moves west and north into the Owyhee Canyon, and includes the Spring Creek watershed and the Oregon portion of the Soldier Creek watershed. Finally, the COA covers most of Antelope Reservoir …
South Fork Coquille [COA ID: 046]
The South Fork Coquille COA (134 mi2) extends from just south of Myrtle Point along the South Fork Coquille River up to the edge of the Wild Rogue Wilderness within the Siskiyou National Forest. This COA is adjacent to the Lower Coquille River COAs. Recommended Conservation Actions Identify and control invasive species. Maintain and restore …
South Fork Crooked River Area [COA ID: 174]
At the southern edge of the ecoregion, adjacent to several COAs and slightly west of the town of Burns
South Fork Umpqua River and Tributaries [COA ID: 091]
The South Fork Umpqua River and Tributaries COA (224 mi2) follows the winding course of the South Umpqua River and many of its tributaries. Area boundaries occur near the towns of Roseburg, Winston, Dillard, Riddle, and Tiller. This area is a priority for coho recovery, with many collaborative stream and water quality restoration projects occurring …
South John Day River [COA ID: 171]
Includes the mainstem John Day River and surrounding high quality fish and wildlife habitat. Southern part of area begins near Silvies River and continues north to the confluence near the town of Kimberly.
Sprague River [COA ID: 139]
Includes the Sprague River and its surrounding habitat.
Steens Mountain [COA ID: 192]
This COA includes much of Steens Mountain’s southwestern flank before moving north and skirting along the edge of Malheur National Wildlife Refuge and then east into the northern Steens Mountain uplands and High Lava Plains.
Summer Lake Area [COA ID: 189]
This area is comprised of Summer Lake and the surrounding high desert wetlands subregion, including much of the Diablo Mountain Wilderness Study Area.
Sutton Lake Area [COA ID: 033]
The Sutton Lake Area COA (19 mi2) extends from Sutton Lake south to Munsel Lake, covering a section of the Oregon Coast and inland habitat. It contains multiple sea-level coastal lakes with limited tidal influence, which are large enough to have cold water and waves.This COA is adjacent to the Heceta Head, North Fork Siuslaw …
Sycan Marsh [COA ID: 136]
Includes the Sycan River, a tributary of the Sprague River with headwaters in the Fremont National Forest south of Summer Lake. Area includes surrounding areas east of Sycan Marsh.
Sycan River [COA ID: 137]
Area covers the Sycan River and surrounding area just east of Sycan Marsh
Tahkenitch-Siltcoos Lakes [COA ID: 036]
The Tahkenitch-Siltcoos Lakes COA (118 mi2) extends from Honeyman State Park east toward Mount Peter and down the coastline to Threemile Lake. Two large coastal lakes with floating peat islands and a large numbers of wintering waterfowl exist in this COA. This COA is adjacent to the Siuslaw River Estuary, North Fork Smith River, and Umpqua …
Ten Cent Lake-Juniper Lake Area [COA ID: 193]
This COA encompasses an area south of US Highway 78 that spans Malheur and Harney Counties from the Sheepshead mountains in the east to Burnt Flat and Comegys Lake on the northern flank of Steens Mountain.
Tenmile Area [COA ID: 092]
Located west of hilly area near the town of Winston, following Highway 42
Tenmile Lake [COA ID: 040]
The Tenmile Lake COA (78 mi2) is located on the Oregon Coast near the town of Lakeside. The Tenmile Lakes Watershed includes ten lakes – North Tenmile Lake, South Tenmile Lake, and Eel Lake are the largest among them. This area has a forested upper watershed, some of which is in the Elliott State Forest. …
Test Importer [COA ID: 10602]
DESCRIPTION Recommended Conservation Actions Local Conservation Actions and Plans Potential Partners Special Features General Protected Areas Previously Associated With
Thomas Creek-Goose Lake [COA ID: 145]
Area includes Goose Lake and surrounding habitat; and Thomas Creek and its surrounding riparian habitat. Thomas Creek is the largest tributary of Goose Lake
Three Forks [COA ID: 206]
This is the most southeastern COA in Oregon and shares borders with Idaho and Nevada. It includes significant sections of the main stem Owyhee River, the Middle Fork Owyhee River, Little Owyhee River, and Toppin Creek. Its northern extent includes the three forks confluence, and its western border abuts the Little Louse Canyon COA (205) …
Tillamook Bay and Tributaries [COA ID: 011]
The Tillamook Bay and Tributaries COA (271 mi2) extends from Tillamook Bay eastward into the Coast Range, across the crest and nearly all the way to the eastern foothills, past Stagecoach Horse Camp. This is a very large COA, containing Tillamook Bay, along with large swaths of mixed conifer forest habitats. This COA is adjacent …
Tillamook Head [COA ID: 003]
The Tillamook Head COA (16 mi2) extends along the Oregon coast from Tillamook Head to Arcadia Beach. This area includes Ecola State Park and contains 9 miles of coastline between Seaside and Cannon Beach. Habitat is generally coastal Sitka spruce forest, opening up to a grassy bluff along the coastline. Sea stacks punctuate long sweep …
Trask Mountain [COA ID: 018]
The Trask Mountain COA (38 mi2) extends from Barney Reservoir south toward McGuire Reservoir on the eastern side of the Coast Range. This area includes mixed and late successional conifer forest and riparian areas. This COA is adjacent to the Nestucca River Watershed COA. Recommended Conservation Actions Maintain and restore existing habitat and ecological function, …
Trout Creek Mountains [COA ID: 204]
Spanning an area in the southeastern corner Harney County and southwestern Malheur County, this COA encompasses the Trout Creek Mountains, the Oregon Canyon Mountains, and the Blue Mountains. It includes numerous Wilderness Study Areas, such as Disaster Peak, Alvord Desert, Fifteenmile Creek, Mahogany Ridge, Oregon Canyon, Twelvemile Creek, and Willow Creek.
Tualatin River [COA ID: 064]
The Tualatin River COA (95 mi2) extends along the lower Tualatin River from just below Hagg Lake down to the confluence with the Willamette River. The area includes the associated floodplains, numerous tributaries, and associated upland habitats. This COA is adjacent to the Scoggins Valley – Mount Richmond and Gales Creek COAs. Recommended Conservation Actions …
Umpqua Headwaters [COA ID: 119]
Located within the Umpqua National Forest and includes the headwaters of the Umpqua River.
Umpqua River [COA ID: 042]
The Umpqua River COA (93 mi2) follows the winding Umpqua River from Elkton south to the confluence with the North Umpqua River. This area includes the surrounding riparian and upland habitat along the river corridor. This COA is adjacent to the North Umpqua River Area and South Fork Umpqua River and Tributaries COAs. Recommended Conservation …
Umpqua River Estuary [COA ID: 038]
The Umpqua River Estuary COA (71 mi2) extends from the coastline near Reedsport eastward into the Coast Range, bounded by Hwy 38 to the south and Devil’s Staircase Wilderness to the east. This COA is adjacent to the Tahkenitch-Siltcoos Lakes, Wassen Creek, Elliot State Forest, and Tenmile Lake COAs. Recommended Conservation Actions Maintain and restore …
Upper Deschutes River [COA ID: 129]
Follows the Upper Deschutes River closely from the Cascade Crest.
Upper Grande Ronde River Area [COA ID: 160]
The edge of this COA includes the Starkey Experimental Forest northwest of US Highway 244 and Camp Elkanah; and Starkey to the east before spreading south and encompassing the Fly Creek and upper Grande Ronde River watersheds.
Upper Klamath Lake Area [COA ID: 138]
Includes Upper Klamath Lake, the largest freshwater lake west of the Rocky Mountains. Area includes surrounding habitat to the north and adjacent to the Sky Lakes area
Upper Silvies River [COA ID: 178]
Includes significant stretch of the Silvies River and surrounding habitat. Spans Blue Mountains (bounded at the north by the town of Seneca) and Northern Basin & Range Ecoregion (starting at Malheur Lake to the south), passing through the town of Burns
Upper Siuslaw [COA ID: 089]
The Upper Siuslaw COA (120 mi2) follows the winding Siuslaw River from Territorial Hgihway up into the Coast Range and includes the surrounding riparian and upland habitat. This COA is adjacent to the West Eugene Area COA. Recommended Conservation Actions Maintain and enhance in-channel watershed functions, connection to riparian habitat, water flow and hydrology. Maintain …
Upper South Fork Malheur Area [COA ID: 188]
This COA straddles US Highway 78 southeast of Malheur Lake and provides connectivity between the Crowley (185) COA, Ten Cent Lake-Juniper Lake Area (193) COA, and the Steens Mountain High Lava Plains (192) COA. North of US Highway 78 the COA includes Malheur Cave and a section of South Fork Malheur River. South of 78 …
Upper Willamette River Floodplain [COA ID: 061]
The Upper Willamette River Floodplain COA (168 mi2) extends long the mainstem Willamette River from the confluence with the Calapooia River to Lookout Point Lake south of Springfield (river miles 120 to 203). This COA includes the river’s floodplain and adjacent uplands, as well as Dexter Reservoir and Lookout Point Lake. This COA is adjacent …
Walla Walla Headwaters [COA ID: 157]
This COA is mainly located within the Blue Mountains ecoregion of Umatilla, Union, and Wallowa Counties, but enters into a small section of the Columbia Plateau ecoregion along its northwest corner. Characterized by extensive mixed conifer forest, this rugged landscape also contains important native perennial grasslands, abundant springs, and abuts the North Fork Umatilla Wilderness …
Wallowa Mountains [COA ID: 163]
Located in northeastern Oregon adjacent to the Wallowa-Whitman National Forest.
Warm Springs River [COA ID: 126]
Area includes the Warm Springs River (a tributary to the Deschutes River) and surrounding habitat. River flows eastward with headwaters in the Cascade Crest
Warner Basin Wetlands [COA ID: 199]
Encompassing Warner Valley and associated wetlands, this COA stretches from just above Blue Joint Lake in the north to the Oregon/Nevada border in the south, and includes the Rahilly-Gravelly Research Natural Area, the Fish Creek Rim Research Natural Area, and the Warner Wetlands Area Of Critical Environmental Concern.
Warner Mountains [COA ID: 146]
Area located east of Lakeview along the eastern border of the ecoregion
Warner West [COA ID: 198]
This COA includes portion of Abert Rim Wilderness Study Area, Fish Creek Rim Wilderness Study Area, Lake Abert Area of Critical Environmental Concern, and the Fish Creek Rim Research Natural Area. It encompasses an area between Abert Rim and the Warner Mountains on the western edge to South Warner Rim and Lynches Rim to the …
Wasco Oaks [COA ID: 125]
Area extends from the Columbia River up through the Mt. Hood National Forest and has served as an important emphasis for conservation and restoration efforts.
Wassen Creek [COA ID: 039]
The Wassen Creek COA (61 mi2) extends from near Henderson Peak east and south to the Umpqua River, including portions of the Smith River and Wassen Creek and their surrounding upland and riparian habitats. This COA is adjacent to the North Fork Smith River and Umpqua River Estuary COAs. Recommended Conservation Actions Maintain high quality …
West Eugene Area [COA ID: 086]
The West Eugene Area COA (264 mi2) extends from Camas Swale north along the foothills of the Coast Range to Cox Butte, including the West Eugene wetlands. This COA is adjacent to the Upper Willamette River Floodplain and Upper Siuslaw COAs. Recommended Conservation Actions Continue active management of restored habitats to conserve ecological values. Maintain and restore …
Whychus Creek [COA ID: 128]
Willow Creek-Birch Creek Area [COA ID: 167]
Located between the towns of Brogan and Huntington, at the eastern border of the ecoregion adjacent to the Snake River
Yachats River Area [COA ID: 030]
The Yachats River Area COA (114 mi2) extends from the coastline around Yachats eastwards up into the National Forest toward Denzer Ridge. This COA contains a wide diversity of habitats, from the rocky coastline up into the steep coastal mountains. This COA is adjacent to the Alsea Estuary-Alsea River, Heceta Head, and North Fork Siuslaw …
Yamhill Oaks-Willamina Oaks North [COA ID: 067]
The Yamhill Oaks – Willamina Oaks North COA (78 mi2) is located west of McMinnville in the foothills of the Coast Range and within the South Yamhill River Watershed. This area contains a variety of wildlife habitat, including grassland, oak savanna, mixed deciduous and conifer, and riparian habitat. Recommended Conservation Actions Manage public access and …
Yaquina Bay [COA ID: 026]
The Yaquina Bay COA (41 mi2) covers the Yaquina Bay Estuary and the surrounding lowland habitats. The Yaquina estuary is a large estuary with numerous fish, wildlife, habitat, and human resources. This COA is adjacent to the Beaver Creek COA. Recommended Conservation Actions Limit the placement of docks and boathouses within the estuary. Protect and …
Zumwalt Prairie Plateau [COA ID: 162]
At the eastern edge of the ecoregion northeast of Enterprise and Joseph, the area builds from TNC Zumwalt Prairie and extends northwest to include significant canyon and riparian habitat