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- Rivers--Oregon 30
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Region
- Grande Ronde River >> Asotin County >> Washington >> United States 49
- Union County >> Oregon >> United States 24
- Wallowa County >> Oregon >> United States 21
- Troy >> Wallowa County >> Oregon >> United States 6
- Umatilla County >> Oregon >> United States 4
- Minam River >> Wallowa County >> Oregon >> United States 3
- Wallowa Lake >> Wallowa County >> Oregon >> United States 3
- Wenaha River >> Wallowa County >> Oregon >> United States 3
- Elgin >> Union County >> Oregon >> United States 2
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