Lac du Portillon
| Lac du Portillon | |
|---|---|
![]() | |
![]() Lac du Portillon | |
| Location | Pyrénées, Haute-Garonne |
| Coordinates | 42°42′3″N 0°30′32″E / 42.70083°N 0.50889°E |
| Type | reservoir |
| Basin countries | France |
| Surface area | 0.34 km2 (0.13 sq mi) |
| Max. depth | 101 m (331 ft) |
| Surface elevation | 2,580 m (8,460 ft) |

Lac du Portillon is a lake in Pyrénées, Haute-Garonne, France. At an elevation of 2580 m, its surface area is 0.34 km².
Perdiguero Peak rises above this lake.

