| Lac de Biscarrosse et de Parentis | |
| Location: | Landes |
| Coords: | 44.35°N -11°W |
| Type: | Natural lake |
| Pushpin Map: | France Nouvelle-Aquitaine |
| Basin Countries: | France |
| Length: | 9.53km (05.92miles) |
| Width: | 8.47km (05.26miles) |
| Area: | 35.4km2 |
| Max-Depth: | 20.5m (67.3feet) |
| Elevation: | 19m (62feet) |
| Islands: | No islands, but the surface is dotted with oil rigs |
Lac de Biscarrosse et de Parentis is a lake in Landes, France. At an elevation of 19 m, its surface area is 35.4 km2.