Located in the department of Isère, in the Auvergne-Rhône-Alpes region, Lac Blanc is a glacial lake located in the Grandes Rousses, famous massif of the French Alps.
It is more than 2,500 meters above sea level, surrounded by several marked hiking trails, and covers fourteen hectares. Offering a unique view of the surroundings, it is also popular as a fishing spot.