Lac de Castet
| Lac de Castet | |
|---|---|
 | |
| Location | Pyrénées, Pyrénées-Atlantiques |
| Coordinates | 43°4′17″N 0°25′8″W / 43.07139°N 0.41889°WCoordinates: 43°4′17″N 0°25′8″W / 43.07139°N 0.41889°W |
| Type | reservoir |
| Primary inflows | Gave d'Ossau |
| Basin countries | France |
| Surface area | 0.4 km² |
| Surface elevation | 423 m |
Lac de Castet is a lake in Pyrénées, Pyrénées-Atlantiques, France. At an elevation of 423 m, its surface area is 0.4 km².