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Region
- Columbia River >> Clatsop County >> Oregon >> United States 13
- Oregon >> United States 9
- Columbia River >> Douglas County >> Washington >> United States 8
- Willamette River >> Multnomah County >> Oregon >> United States 6
- Chehalis River >> Grays Harbor County >> Washington >> United States 3
- Cowlitz River >> Cowlitz County >> Washington >> United States 3
- Horsetail Falls >> Multnomah County >> Oregon >> United States 3
- Multnomah Falls >> Multnomah County >> Oregon >> United States 3
- Nooksack River >> Whatcom County >> Washington >> United States 3
- Oneonta Gorge >> Multnomah County >> Oregon >> United States 3
- Portland >> Clackamas County >> Oregon >> United States 3
- Skagit River >> Skagit County >> Washington >> United States 3
- Snake River >> Franklin County >> Washington >> United States 3
- Astoria >> Clatsop County >> Oregon >> United States 2
- Memaloose Island (historical) >> Wasco County >> Oregon >> United States 2
- Snohomish River >> Snohomish County >> Washington >> United States 2
- Washington >> United States 2
- Beavermouth >> British Columbia >> Canada 1
- Bonneville Dam >> Multnomah County >> Oregon >> United States 1
- Cascade Locks >> Hood River County >> Oregon >> United States 1