| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cow Creek (South Umpqua River tributary) |  | 1,181,034,496 | South Umpqua River | 71,000 | 42.9469000000 | -123.3380000000 | Map | ||||
| Myrtle Creek (South Umpqua River tributary) | South Umpqua River | 2,000 | 43.0227777800 | -123.2958333300 | Map |