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Region
- Washington >> United States 39
- Columbia River >> Douglas County >> Washington >> United States 36
- Oregon >> United States 23
- Cape Horn >> Skamania County >> Washington >> United States 3
- Castle Rock >> Malheur County >> Oregon >> United States 2
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 2
- Idaho >> United States 2
- Latourell Falls >> Multnomah County >> Oregon >> United States 2
- Montana >> United States 2
- Willamette River >> Multnomah County >> Oregon >> United States 2
- Buster Creek >> Clatsop County >> Oregon >> United States 1
- Columbia River >> Clatsop County >> Oregon >> United States 1
- Flathead River >> Sanders County >> Montana >> United States 1
- Hood River >> Hood River County >> Oregon >> United States 1
- Nevada >> United States 1
- North Fork Clearwater River >> Clearwater County >> Idaho >> United States 1
- North Fork Snoqualmie River >> King County >> Washington >> United States 1
- North Santiam River >> Linn County >> Oregon >> United States 1
- Oneonta Gorge >> Multnomah County >> Oregon >> United States 1
- Saint Peters Dome >> Multnomah County >> Oregon >> United States 1
