300m long, 20m wide and 10m deep, this is the largest navigable underground lake in Europe.
Guided tours of this unusual and mysterious site, lasting over half an hour, are given in French, German, Italian and English.
Practical information
Adult : CHF 12.-Child (5 to 15 years old) : CHF 7.-
Opening
Open every day from 18th of mars to 1st of November Monday - Sunday : 10 a.m. - 5 p.m. In July and August : Monday - Sunday : 9 a.m. - 5.30 p.m.Contact
Lac souterrain de Saint-Léonard
Rue du Lac 21
1958 St-Léonard
+41 27 203 22 66
admin@lac-souterrain.com
www.lac-souterrain.com