| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Arlanzón (river) |  | 2,620,999,936 | 2,132 | Arlanza | 131,110 | 42.1088166667 | -4.1645055556 | Map | |||
| Río Franco | Arlanza | 33,000 | |||||||||
| Río Pedroso |  | Arlanza | 42.1043761000 | -3.2442823000 | Map | ||||||
| Río Zumel | Regumiel de la Sierra | Arlanza | 16,000 | 41.9733700000 | -3.0460600000 | Map |