Lower Grande Ronde, COA 158

Lower Grande Ronde
The Lower Grande Ronde River in Oregon's Blue Mountains Ecoregion. Photo Credit: Keith Kohl, ODFW

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.

COA ID: 158

Local Conservation Actions and Plans

Potential Partners

Special Features


  • Grande Ronde Model Watershed program is working with private landowners to restore floodplain wetlands to improve irrigation return water quality and habitat for fish and wildlife

Previously Associated With

  • 2006 COA ID BM-21 (Lower Grande Ronde)
  • 2006 COA ID BM-22 (Wallowa River)

Protected Areas

  • Grande Ronde Area Of Critical Environmental Concern
  • Grande Ronde River
  • Irrigon Fish Hatchery
  • Minam State Recreation Area
  • Umatilla
  • Wallowa River
  • Wallowa Whitman
  • Wenaha Wildlife Area
  • Wenaha-Tucannon Wilderness


Strategy Habitats

Specialized Local Habitats

  • Cliffs
  • Dwarf Shrublands
  • Off Channel Habitat

Strategy Species