Lac de Gnioure is a lake in Ariège, France. At an elevation of 1831.5 m, its surface area is 0.86 km2. Construction of the dam began in 1939 and was completed in 1950. The lake is 2.6 miles from the Andorran border.

Lac de Gnioure
Lac de Gnioure is located in France
Lac de Gnioure
Lac de Gnioure
LocationAriège
Coordinates42°41′36″N 01°31′47″E / 42.69333°N 1.52972°E / 42.69333; 1.52972
Typereservoir
Catchment area18 km2 (6.9 sq mi)
Basin countriesFrance
Surface area0.86 km2 (0.33 sq mi)
Max. depth100 m (330 ft)
Water volume28,400,000 m3 (1.00×109 cu ft)
Surface elevation1,831.5 m (6,009 ft)