Lac de Malsaucy

Lac du Malsaucy
Eurockéennes held in July at the lake
Location	Territoire de Belfort, Franche-Comté
Coordinates	47°41′10″N 6°48′5″E / 47.68611°N 6.80139°E / 47.68611; 6.80139Coordinates: 47°41′10″N 6°48′5″E / 47.68611°N 6.80139°E / 47.68611; 6.80139
Basin countries	France
Max. length	1.5 km
Max. width	0.5 km
Surface area	0.64 km²

Lac de Malsaucy is a lake in the Territoire de Belfort, Franche-Comté, France. The lake with a surface of is 0.64 km² shared by three communes: Evette-Salbert, Lachapelle-sous-Chaux and Sermamagny.

The rock festival Eurockéennes is held each July on a peninsula on the lake.