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Region
- Columbia River >> Clatsop County >> Oregon >> United States 18
- Chelan County >> Washington >> United States 16
- Columbia River >> Douglas County >> Washington >> United States 16
- Willamette River >> Multnomah County >> Oregon >> United States 6
- Linn County >> Oregon >> United States 4
- Bonneville Dam >> Multnomah County >> Oregon >> United States 3
- Lane County >> Oregon >> United States 3
- Ada County >> Idaho >> United States 2
- Grangeville >> Idaho County >> Idaho >> United States 2
- South Fork Clearwater River >> Idaho County >> Idaho >> United States 2
- Wiley Creek >> Linn County >> Oregon >> United States 2
- Clackamas County >> Oregon >> United States 1
- Clark County >> Washington >> United States 1
- Grande Ronde River >> Asotin County >> Washington >> United States 1
- Lebanon >> Linn County >> Oregon >> United States 1
- Lewis River >> Cowlitz County >> Washington >> United States 1
- Marmot Dam (historical) >> Clackamas County >> Oregon >> United States 1
- McKenzie River >> Lane County >> Oregon >> United States 1
- Sandy River >> Multnomah County >> Oregon >> United States 1
- Union County >> Oregon >> United States 1
