| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Middle Fork Eel River |  | 1,929,541,120 | Eel River | 112,000 | 39.7139000000 | -123.3530000000 | Map | ||||
| North Fork Eel River | 740,736,576 | Eel River | 57,000 | 39.9567000000 | -123.4370000000 | Map | |||||
| Outlet Creek |  | Eel River | 27,000 | 39.6269000000 | -123.3450000000 | Map | |||||
| South Fork Eel River |  | 352 | 1,784,501,760 | Eel River | 169,000 | 40.3558000000 | -123.9190000000 | Map | |||
| Van Duzen River |  | 1,111,104,896 | Eel River | 101,000 | 40.5483000000 | -124.1610000000 | Map |