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Region
- Columbia River >> Clatsop County >> Oregon >> United States 47
- Snake River >> British Columbia >> Canada 46
- Willamette River >> Multnomah County >> Oregon >> United States 46
- Yamhill River >> Yamhill County >> Oregon >> United States 46
- Cascade Locks >> Hood River County >> Oregon >> United States 45
- Oregon >> United States 2
- Washington >> United States 2
- British Columbia >> Canada 1
- Celilo Canal >> Wasco County >> Oregon >> United States 1
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 1
- Clackamas Rapids >> Clackamas County >> Oregon >> United States 1
- Deschutes River >> Sherman County >> Oregon >> United States 1
- Lewiston >> Nez Perce County >> Idaho >> United States 1
- Oregon City >> Clackamas County >> Oregon >> United States 1
- Pacific Ocean >> Earth 1
- Portland >> Clackamas County >> Oregon >> United States 1
- Riparia >> Whitman County >> Washington >> United States 1