| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Scholfield Creek |  | Umpqua River | 43.6983265000 | -124.1078154000 | Map | ||||||
| Smith River (Umpqua River tributary) |  | 911,675,776 | 429 | Umpqua River | 146,000 | 43.7369000000 | -124.0790000000 | Map | |||
| South Umpqua River |  | 4,661,978,624 | Umpqua River | 185,000 | 43.2678000000 | -123.4460000000 | Map | ||||
| Calapooya Creek |  | 637,137,024 | Umpqua River | 60,000 | 43.3658333300 | -123.4661111100 | Map | ||||
| Elk Creek (Umpqua River tributary) | 751,096,512 | Umpqua River | 74,000 | 43.6336111100 | -123.5672222200 | Map |