| Pas | |
|---|---|
| Country | Spain |
| State | Cantabria |
| Regions | Pas valley, Santander bay |
| Length | 57 km (35 mi) |
| Watershed | 649 km² (251 sq mi) |
| Discharge at | mouth |
| - average | 18.1 m³/s (639 cu ft/s) |
| Primary source | |
| - location | Castro Valnera |
| - elevation | 1,200 m (3,937 ft) |
| Other source | Peñas Negras |
| - location | Vega del Pas |
| - elevation | 1,200 m (3,937 ft) |
| Mouth | Ría de Mogro |
| - location | Santander bay, Bay of Biscay |
| - elevation | 0 m (0 ft) |
| Major tributaries | |
| - left | Yera, Viaña, Magdalena, Jaral, Barcelada |
| - right | Pandillo, Pisueña |
The Pas River is located in the Cantábrica region in the northern part of Spain. The river flows through the autonomous community of Cantabria and empties into the Cantabric Sea.
