| El Tranco de Beas Dam | |
|---|---|
 View of the reservoir | |
  El Tranco de Beas Dam | |
| Location | Hornos |
| Coordinates | 38°8′0″N 2°47′0″W / 38.13333°N 2.78333°W |
| Type | reservoir |
| Primary inflows | Guadalquivir |
| Basin countries | Spain |
| Built | 1929 |
| First flooded | 1948 |
| Surface area | 1,800 ha (4,400 acres) |
| Water volume | 498 hm3 (404,000 acre⋅ft) |
| Surface elevation | 670 m (2,200 ft) |
El Tranco de Beas Dam, also known as Pantano del Tranco is a reservoir across the high Guadalquivir[1] in the Sierra de Segura range, Andalusia, Spain.