| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cadagua |  | 600,000,000 | Estuary of Bilbao | 70,000 | 43.2880150000 | -2.9711650000 | Map | ||||
| Ibaizabal |  | 1,900,000,000 | Estuary of Bilbao | 43,000 | |||||||
| Río Galindo |  | 67,000,000 | Estuary of Bilbao | 1,650 | 43.3030063000 | -2.9804583000 | Map | ||||
| Río Gobelas |  | Estuary of Bilbao | 16,178 | 43.3138800000 | -2.9930860000 | Map |