Andalién River
| Andalién River | |
|---|---|
| A railway bridge over the Andalién River | |
| Location | |
| Countries | Chile | 
| Physical characteristics | |
| Source | |
| • location | Cordillera de la Costa | 
| Mouth | |
|  • location | Pacific Ocean | 
|  • coordinates | 36°44′22″S 73°00′58″W / 36.73944°S 73.01611°W | 
| Length | 42 kilometres (26 mi). | 
| Basin size | 780 km2 (300 sq mi) | 
| Discharge | |
| • average | 10 m3/s (350 cu ft/s) | 
The Andalién River is a river in the province of Concepción, in the Bío Bío Region of Chile. It drains the western side of Chile's Cordillera de la Costa and has a total length of 42 kilometres (26 mi). It is one of the two rivers that bracket the city of Concepción.