Lake Annecy
Lake Annecy is a perialpine lake in Haute-Savoie in France.
It is the third largest lake in France, after the Lac du Bourget and Lac de Grand-Lieu, if the French part of Lake Geneva is excluded. It is known as "Europe's cleanest lake" because of strict environmental regulations introduced in the 1960s. It is a popular tourist destination known for its swimming and water sports.
The lake was formed about 18,000 years ago, at the time the large alpine glaciers melted. It is fed by many small rivers from the surrounding mountains, and from a powerful underwater source, the Boubioz, which enters at 82 m depth.Towns and villages around the lake
A cycle path goes partially around Lake Annecy past Sevrier and St Jorioz to Ugine. It has an aim to reach Albertville. The lake is around 14 km long.