Highlight • Cave
Lac Souterrain de Saint-Léonard
Cycling
4.6
(26)
Hiking
4.8
(19)
Cycling is not permitted at this location
You'll need to dismount and push your bike.
Tips
Tobias
March 13, 2020
Cycling
At a depth of 30 to 70 meters below the vineyards and a length of 300 meters, the "Lac Souterrain de Saint-Léonard" is the largest underground lake in Europe and also a witness to the formation of the Alps. There are multilingual tours in boats and in groups for up to 40 people.
Translated by
•
•🚴♀️🆘🐗Faustus Heroldus 🥨💪🦸
August 17, 2023
Hiking
Entertaining refreshing boat tour in an underground lake.
Translated by•
•🇨🇭Martin Baumann 🇨🇭
September 27, 2021
Hiking
Europe's largest underground lake, a short detour is worthwhile.
Translated by•
•In the know? Log-in to add a tip for other adventurers!
Sign up for free
Routes here
Best routes to Lac Souterrain de Saint-Léonard
Details
Informations
Elevation 510 m
Weather
Powered by Foreca
Wednesday 4 March
18°C
2°C
0 %
Additional weather tips
Max wind speed: 14.0 km/h
Most visited during
January
February
March
April
May
June
July
August
September
October
November
December