| Lac Bersau | |
| Location: | Pyrénées, Pyrénées-Atlantiques |
| Group: | Lacs d'Ayous |
| Pushpin Map: | Pyrenees |
| Coords: | 42.8392°N -0.4947°W |
| Basin Countries: | France |
| Area: | 0.125km2 |
| Max-Depth: | 30m (100feet) |
| Elevation: | 2083m (6,834feet) |
Lac Bersau is a lake in the Pyrénées, department Pyrénées-Atlantiques, France. At an elevation of 2083 m, its surface area is 0.125 km2, its max depth is 30 m or (98.42) foot[1]