Partner
Lac Souterrain de Saint-Léonard
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About us
Discover Europe's largest underground lake at Saint-Léonard, located between Sion and Sierre, a hidden wonder beneath the Valais Alps. Aboard silent boats, visitors glide over the crystal-clear waters, guided through an impressive 300-metre cave. Guided tours reveal the geological secrets of this exceptional natural site, while acoustic concerts offer a unique sound experience in the heart of this mysterious underground world. Our offer is valid on the price of an exclusive guided tour.
Its strengths
- Exceptional on-site events
- Open from March to November
- Refreshment bar on site
- Guided tour in several languages (FR/ALL/ANG)
- Free parking
- Privatization possible
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