| Lac de la Ganguise | |
|---|---|
| Location | Aude |
| Lake type | reservoir |
| Primary inflows | Ganguise |
| Primary outflows | Hers-Mort |
| Basin countries | France |
| Surface area | 2.78 km² |
| Water volume | 44 hm3 |
| Surface elevation | 228 m |
Lac de la Ganguise (also known as Retenue de l'Estrade) is a lake in Aude, France. Its surface area is 2.78 km².
It lies in the communes of Baraigne, Cumiès, Gourvieille, Belflou and Molleville.