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Region
- Oregon >> United States 104
- Columbia River >> Clatsop County >> Oregon >> United States 63
- Columbia River >> Douglas County >> Washington >> United States 61
- Washington >> United States 48
- Bonneville Dam >> Multnomah County >> Oregon >> United States 4
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 4
- Pillars of Hercules >> Multnomah County >> Oregon >> United States 4
- Cape Horn >> Skamania County >> Washington >> United States 3
- Castle Rock >> Malheur County >> Oregon >> United States 3
- Multnomah Falls >> Multnomah County >> Oregon >> United States 3
- Wahkeena Falls >> Multnomah County >> Oregon >> United States 3
- Hood River >> Hood River County >> Oregon >> United States 2
- Saint Peters Dome >> Multnomah County >> Oregon >> United States 2
- Angels Rest >> Multnomah County >> Oregon >> United States 1
- Big Eddy (historical) >> Wasco County >> Oregon >> United States 1
- Castle Rock >> Cowlitz County >> Washington >> United States 1
- McCord Creek >> Multnomah County >> Oregon >> United States 1
- Memaloose Island (historical) >> Wasco County >> Oregon >> United States 1
- Oneonta Gorge >> Multnomah County >> Oregon >> United States 1
- Rooster Rock >> Multnomah County >> Oregon >> United States 1