| Lac de Pérolles | |
|---|---|
| View near Maigrauge Dam (at right) | |
| Location | Fribourg, Canton of Fribourg |
| Lake type | reservoir |
| Primary inflows | Saane/Sarine |
| Primary outflows | Saane/Sarine |
| Catchment area | 1,250 km2 (480 sq mi) |
| Basin countries | Switzerland |
| Max. length | 2.3 km (1.4 mi) |
| Surface area | 0.35 km2 (35 ha; 86 acres) |
| Water volume | 400,000 m3 (14,000,000 cu ft) |
| Surface elevation | 553.3 m (1,815 ft) |
Lac de Pérolles, a lake formed by Maigrauge Dam, is a reservoir on the Saane/Sarine river at Fribourg, in western Switzerland.[1] Its surface area is 0.35 square kilometres (35 ha; 86 acres). The dam was built in 1872, and its height was increased by 2.5 metres (8.2 ft) in 1910. The watershed (or catchment) is 1,250 square kilometres (480 sq mi).[1] The Maigrauge Dam has a gated spillway.