Lac de Pormenaz is an alpine lake in the Passy National Nature Preserve of the Haute-Savoie department of France. Its surface area of 4.4 ha is at an elevation of 1945 m.
The lake can be reached by foot from the village of Plaine Joux above Servoz.
Wikipedia https://en.wikipedia.org/wiki/Lac_de_Pormenaz
Address 74190, France
Coordinates 45°57'43.988" N 6°47'38.538" E
