Lac de Roy

Lac de Roy
Location	Haute-Savoie
Coordinates	46°8′36″N 6°34′25″E / 46.14333°N 6.57361°E / 46.14333; 6.57361Coordinates: 46°8′36″N 6°34′25″E / 46.14333°N 6.57361°E / 46.14333; 6.57361
Basin countries	France
Surface elevation	1680 m

Lac de Roy is a lake in Haute-Savoie, France. It is located 2 km west of le Praz de Lys (Praz de Lys-Sommand?) ski resort, in the commune of Taninges.