Pas River
| Pas | |
| River | |
 |
|
| Country | Spain |
|---|---|
| State | Cantabria |
| Regions | Pas valley, Santander bay |
| Tributaries | |
| - left | Yera, Viaña, Magdalena, Jaral, Barcelada |
| - right | Pandillo, Pisueña |
| Source | |
| - location | Castro Valnera |
| - elevation | 1,200 m (3,937 ft) |
| Secondary 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) |
| Length | 57 km (35 mi) |
| Basin | 649 km2 (251 sq mi) |
| Discharge | mouth |
| - average | 18.1 m3/s (639 cu ft/s) |
The Pas River is located in the region of Cantabria in the northern part of Spain. The river flows through the autonomous community of Cantabria and empties into the Cantabric Sea.
Coordinates: 43°26′30″N 3°58′52″W / 43.44167°N 3.98111°W
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