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Region
- Willamette River >> Multnomah County >> Oregon >> United States 224
- Linn County >> Oregon >> United States 78
- Santiam River >> Marion County >> Oregon >> United States 58
- Marion County >> Oregon >> United States 56
- Yamhill County >> Oregon >> United States 22
- Yamhill River >> Yamhill County >> Oregon >> United States 22
- Calapooia River >> Linn County >> Oregon >> United States 17
- Tualatin River >> Clackamas County >> Oregon >> United States 14
- Clackamas County >> Oregon >> United States 13
- South Yamhill River >> Yamhill County >> Oregon >> United States 13
- Washington County >> Oregon >> United States 13
- Willamina Creek >> Yamhill County >> Oregon >> United States 13
- Columbia River >> Clatsop County >> Oregon >> United States 12
- Molalla River >> Clackamas County >> Oregon >> United States 9
- McKenzie River >> Lane County >> Oregon >> United States 8
- Middle Santiam River >> Linn County >> Oregon >> United States 8
- Gales Creek >> Washington County >> Oregon >> United States 7
- Albany >> Linn County >> Oregon >> United States 6
- Portland >> Washington County >> Oregon >> United States 6
- Abiqua Creek >> Marion County >> Oregon >> United States 5