| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Millicoma River |  | 385,908,224 | Coos River | 14,000 | 43.3800000000 | -124.0980000000 | Map | ||||
| South Fork Coos River | Coos River | 51,000 | 43.3775000000 | -124.0990000000 | Map |