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Region
- Portland >> Clackamas County >> Oregon >> United States 22
- Columbia River >> Clatsop County >> Oregon >> United States 14
- Willamette River >> Multnomah County >> Oregon >> United States 12
- Yamhill River >> Yamhill County >> Oregon >> United States 6
- Oregon City >> Clackamas County >> Oregon >> United States 5
- Clackamas Rapids >> Clackamas County >> Oregon >> United States 4
- Clatskanie River >> Columbia County >> Oregon >> United States 4
- Vancouver >> Clark County >> Washington >> United States 4
- Corvallis >> Benton County >> Oregon >> United States 3
- Cowlitz River >> Cowlitz County >> Washington >> United States 3
- Pacific Ocean >> Earth 3
- Celilo Canal >> Wasco County >> Oregon >> United States 2
- Coquille River >> Coos County >> Oregon >> United States 2
- Lewiston >> Nez Perce County >> Idaho >> United States 2
- Puget Sound >> Kitsap County >> Washington >> United States 2
- Snake River >> British Columbia >> Canada 2
- The Dalles (historical) >> Klickitat County >> Washington >> United States 2
- The Dalles >> Wasco County >> Oregon >> United States 2
- Canoe Encampment Rapids (historical) >> Morrow County >> Oregon >> United States 1
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 1