Underground Lake
Visit the village of St Léonard that is about ten kilometres from Sierre away for its natural gem, Europe’s largest underground lake. The 300 m long, 20 m wide and 10 m deep underground lake was discovered in 1943.
Extend your stay in the Valais after this extraordinary visit at Hotel Casino in Sierre. This 3-star hotel is situated in the town centre, just opposite the cable car Sierre - Crans-Montana.
It only takes you 3 clicks to reserve our Hotel Casino in Sierre, near Europe’s largest underground lake, on our secure web-site. Or why not call us over the phone +41 21 310 08 92. Our multilingual team will be delighted to assist you !
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