Lac de Pérolles

Lac de Pérolles, a reservoir 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.

Lac de Pérolles
View near Maigrauge Dam (at right)
Lac de Pérolles Show map of Canton of Fribourg Lac de Pérolles Show map of Switzerland Lac de Pérolles Show map of Alps
Location	Fribourg, Canton of Fribourg
Coordinates	46°47′45.30″N 7°9′45.35″E
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)