Sprague River – State Wildlife Action Plan

Geographic boundaries of the COAs were updated for the 2026 State Wildlife Action Plan and the associated COA profiles are intended to provide additional information. Content of each COA profile is being refined and will be updated to reflect current conditions when feasible. Please help us by submitting information on Local Conservation Actions, Plans, or Potential Partners to: OCS.revision@odfw.oregon.gov.

Includes the Sprague River and its surrounding habitat.

Potential Partners

Bureau of Land Management
Natural Resources Conservation Service
Oregon Department of Forestry
Oregon Parks and Recreation Department

Special Features

General

Drains an arid volcanic plateau
Provides habitat for many bat species
Provides habitat for many locally rare fish species
Sprague River is a tributary of the Williamson River

Previously Associated With

2006 COA ID EC-11 (Williamson River area)
2006 COA ID EC-15 (Sprague River)
2006 COA ID EC-16 (Gearhart Mountain - North Fork Sprague)

Protected Areas

Forest Development Fund (Board Of Forestry)
Fremont-Winema National Forest
Klamath Reservation
OC&E Woods Line State Trail
Wetlands Reserve Program

Ecoregions

East Cascades

The East Cascade ecoregion extends from the Cascade Mountains' summit east to the warmer, drier high desert and down the length of the state. This ecoregion varies dramatically from its cool, moist border with the West Cascades ecoregion to its dry eastern border, where it meets sagebrush desert landscapes.

Key Habitats

Natural Lakes

Natural lakes are relatively large bodies of freshwater surrounded by land that were formed through geological processes, such as glacial scouring, tectonic movements, volcanic activity and river meander cutoffs. In Oregon, natural lakes are defined as standing water bodies larger than 20 acres, including some seasonal lakes. Depth is not a reference for characterization of …

Ponderosa Pine Woodlands

Ponderosa pine woodlands are common in Oregon’s eastside ecoregions. While dominated by ponderosa pine, these woodlands may also have lodgepole pine, western juniper, aspen, western larch, grand fir, Douglas-fir, mountain mahogany, incense cedar, sugar pine, or white fir, depending on ecoregion and site conditions. Known for their open forest structure, these woodlands generally have fewer …

Flowing Water and Riparian Habitats

Flowing Water and Riparian Habitats include all naturally occurring flowing freshwater streams and rivers throughout Oregon as well as the adjacent riparian habitat.