Famous bathing lake · France
Lac du Bourget
Lac du Bourget has 8 officially rated bathing spots, 8 of them currently with excellent water quality according to the EEA (as of July 2026).
Lac du Bourget is the largest natural lake in France, nestled between the pre-Alpine mountains of Savoie. Its crystal-clear waters and stunning mountain scenery make it one of the most beautiful swimming destinations in the country. All 8 rated bathing spots achieve an 'excellent' EU water quality rating – a remarkable result. Families will love the Plage Municipale De La Base De Loisirs De Brison in the northern part of the lake, offering calm waters and great facilities. The Plage Du Rowing is perfect for sports enthusiasts, while the Plage Des Mottets in the south provides a quieter, more natural atmosphere. In Aix-les-Bains, the Plage Municipale D'Aix Les Bains Aqualac combines beach life with easy access to the charming spa town. Water temperatures reach a pleasant 22–24 °C in summer. Use nextlake.eu to explore all official EU-registered bathing spots at Lac du Bourget, with real-time water quality data at your fingertips.
All bathing spots
FAQ
Can you swim in Lac du Bourget?
Yes, swimming in Lac du Bourget is absolutely possible and highly recommended. The lake has 8 officially EU-rated bathing spots, all of which have received the top rating of 'excellent'. It is the largest natural lake in France and a popular destination for swimmers.
Is Lac du Bourget clean?
Lac du Bourget is very clean by official standards. All 8 EU-rated bathing spots have been classified as 'excellent', meaning the water consistently meets the highest European quality criteria. This makes it one of the best-rated freshwater lakes in France.
Is it safe to swim in Lac du Bourget?
Yes, swimming in Lac du Bourget is considered very safe. All 8 rated bathing spots meet EU water quality standards at the highest level. The official bathing areas typically offer lifeguard supervision and facilities during the summer season.
Where can you swim at Lac du Bourget?
Lac du Bourget has 8 official bathing spots, all located in France and all rated 'excellent' for water quality. You can find a full map and details of every bathing spot on nextlake.eu.
Is Lac du Bourget the deepest lake in France?
Yes, Lac du Bourget is the deepest lake in France, reaching a depth of around 145 metres. It is also the country's largest natural freshwater lake and is situated in the Auvergne-Rhône-Alpes region near Aix-les-Bains.