Lower Willamette River Floodplain, COA 059

Willamette Falls
Photo Credit: Bernadette Graham-Hudson, ODFW

The Willamette River mainstem from the confluence with the Columbia River (RM 0) upstream to Willamette Falls in Oregon City (RM26), its floodplain and adjacent uplands.

COA ID: 059

Local Conservation Actions and Plans

Potential Partners

Special Features


  • Important movement corridor for migratory and resident fish and wildlife
  • Restoration of the Lower Willamette River and associated floodplain and uplands has important implications not only for fish and wildlife, but also for the social and economic factors resulting from restoring ecological functions such as flood control and water quality.
  • This area includes numerous important habitat sites including Oaks Bottom Wildlife Refuge and the confluence with the Clackamas River.

Previously Associated With

  • 2006 COA ID CR-09 (Portland's Forest Park)
  • 2006 COA ID WV-01 (Columbia River Bottomlands)
  • 2006 COA ID WV-03 (Willamette River Floodplain)

Protected Areas

  • Bell View Point
  • Bluff above Swan Island
  • Butterfly Park
  • Camassia Preserve
  • Cathedral Park
  • Cedar Island
  • Cedaroak Boat Ramp
  • Clackamette Park
  • Cottonwood Bay
  • Dahl Beach
  • Dogwood Park
  • Elk Rock Island
  • Foothills Park
  • Forest Park
  • George Rogers Park
  • Glenmorrie Greenway
  • Goat Island
  • Gov. Tom McCall Waterfront Park
  • Harbor View Property
  • Holgate Slough
  • Japanese American Historical Plaza
  • Johns Community Garden
  • Jon Storm Park
  • Kelley Point Park
  • Kincaid Curlicue Corridor
  • Kingsley Park
  • Linnton Park
  • Maddax Woods
  • Mary S. Young State Recreation Area
  • McCarthy Park
  • McLean House
  • McLoughlin House
  • McLoughlin Promenade
  • Meldrum Bar Park
  • Mill Ends Park
  • Milwaukie Riverfront Park Property
  • Oaks Bottom Wildlife Refuge
  • Old Canemah Park
  • Oswego Creek Outlet Access Willamette River Greenway
  • Peter Kerr Property
  • Portland Classical Chinese Garden
  • Powers Marine Park
  • River Cover Open Space
  • Rivervilla Park
  • Robinwood Open Space
  • Rocky Island Park
  • Roehr Park
  • Ross Island Natural Area
  • Sellwood Riverfront Park
  • Smith And Bybee Wetlands Natural Area
  • South Waterfront Park


Strategy Habitats

Specialized Local Habitats

  • Basalt cliffs
  • bottomland hardwood forest
  • bottomland hardwood forest
  • Off-channel habitat
  • Riverine islands (Ross Island, Elk Rock Island, Rock Island, Cedar Island, Clackamette Island)
  • Shoreline and sandy beaches

Strategy Species