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Region
- Columbia River >> Clatsop County >> Oregon >> United States 7
- Willamette River >> Multnomah County >> Oregon >> United States 7
- Cowlitz River >> Cowlitz County >> Washington >> United States 5
- Portland >> Clackamas County >> Oregon >> United States 5
- Columbia River >> Douglas County >> Washington >> United States 4
- Oregon >> United States 4
- Astoria >> Clatsop County >> Oregon >> United States 3
- Chehalis River >> Grays Harbor County >> Washington >> United States 3
- Nooksack River >> Whatcom County >> Washington >> United States 3
- Skagit River >> Skagit County >> Washington >> United States 3
- Snake River >> British Columbia >> Canada 3
- Snake River >> Franklin County >> Washington >> United States 3
- The Dalles >> Wasco County >> Oregon >> United States 3
- Vancouver >> Clark County >> Washington >> United States 3
- Yamhill River >> Yamhill County >> Oregon >> United States 3
- Cascade Locks >> Hood River County >> Oregon >> United States 2
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 2
- Clackamas Rapids >> Clackamas County >> Oregon >> United States 2
- Corvallis >> Benton County >> Oregon >> United States 2
- Lewiston >> Nez Perce County >> Idaho >> United States 2