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Region
- Columbia River >> Clatsop County >> Oregon >> United States 35
- Portland >> Clackamas County >> Oregon >> United States 27
- Willamette River >> Multnomah County >> Oregon >> United States 26
- Chehalis River >> Grays Harbor County >> Washington >> United States 23
- Cowlitz River >> Cowlitz County >> Washington >> United States 23
- Snake River >> Franklin County >> Washington >> United States 22
- Nooksack River >> Whatcom County >> Washington >> United States 21
- Skagit River >> Skagit County >> Washington >> United States 21
- Snohomish River >> Snohomish County >> Washington >> United States 18
- Astoria >> Clatsop County >> Oregon >> United States 12
- Columbia City >> Columbia County >> Oregon >> United States 11
- Nehalem Bay >> Tillamook County >> Oregon >> United States 9
- Palouse River >> Franklin County >> Washington >> United States 9
- Umpqua River >> Douglas County >> Oregon >> United States 9
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 3
- Oregon >> United States 3
- Threemile Rapids (historical) >> Wasco County >> Oregon >> United States 3
- British Columbia >> Canada 2
- Celilo Canal >> Wasco County >> Oregon >> United States 2
- Fivemile Rapids (historical) >> Wasco County >> Oregon >> United States 2