| Lac de Lessoc | |
|---|---|
| Location | Montbovon, Fribourg |
| Primary inflows | Saane/Sarine |
| Primary outflows | Saane/Sarine |
| Catchment area | 506 km² |
| Basin countries | Switzerland |
| Surface area | 20 ha |
| Surface elevation | 774 m |
Lac de Lessoc is a reservoir on the Saane/Sarine river between Lessoc and Montbovon in the Canton of Fribourg, Switzerland. The lake's surface area is 20 ha. The Lessoc dam with a height of 33 m was completed in 1976.