Imnaha, COA 161

Imnaha area
Photo Credit: Keith Kohl, ODFW

Follows canyons along the Snake River from Hwy 86 north to the ecoregion boundary

COA ID: 161

Local Conservation Actions and Plans

Potential Partners

  • Bureau of Land Management
  • The Nature Conservancy
  • US Fish and Wildlife Service
  • US Forest Service

Special Features


  • Adjacent to Hells Canyon Wilderness Area
  • Adjacent to Imnaha Wild and Scenic River and includes associated riparian habitats
  • Adjacent to Snake River and includes associated riparian habitats
  • Contains a significant amount of the ecoregion's grasslands

Previously Associated With

  • 2006 COA ID BM-25 (Zumwalt Prairie Plateau)
  • 2006 COA ID BM-26 (Hells Canyon)

Protected Areas

  • Big Sheep River
  • Clear Lake Ridge
  • Hells Canyon
  • Hells Canyon Wilderness
  • Homestead Area Of Critical Environmental Concern
  • Homestead Wilderness Study Area
  • Imnaha River
  • Imnaha River Roadside And Riverfront Zone
  • Irrigon Fish Hatchery
  • Looking Glass Fish Hatchery
  • McGraw Creek Wilderness Study Area
  • Sheep Mountain Wilderness Study Area
  • Snake Wild And Scenic River


Strategy Habitats

    Strategy Species