| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Arroyo Helguera | Bilbao | Cadagua | 43.2398170000 | -2.9468420000 | Map | ||||||
| Río Ordunte |  | Valle de mena | Cadagua | 22,000 | 43.1672495534 | -3.2526729205 | Map |