Duerna
| Duerna Latin: Ornia | |
|---|---|
 Watershed of the Duerna at Priaranza de la Valduerna (Maragatería) | |
 | |
| Location | |
| Country | Spain |
| Physical characteristics | |
| Source | Union of the streams Cabrito and Ballina |
| • location | Pobladura de la Sierra, Lucillo, Maragatería, León, Castile and León, Spain |
| • elevation | 1,120 m (3,670 ft) |
| Mouth | Tuerto river |
• location | Requejo de la Vega, Soto de la Vega, Tierra de La Bañeza, León, Castile and León, Spain |
• elevation | 775 m (2,543 ft) |
| Length | 54 km (34 mi) |
| Basin size | 317 km2 (122 sq mi) |
| Basin features | |
| Tributaries | |
| • left | Peces |
| • right | Espino, Llamas |
The Duerna is a river in the province of León, Spain. It begins at the convergence of the Cabrito and Ballina streams, in the town of Pobladura de la Sierra, in the Lucillo municipality.
42°18′36″N 5°53′46″W / 42.3100°N 5.8961°W