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Lac Souterrain de St-Leonard

277 reviews
St-Leonard, Switzerland
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Hours Today: 10:00 AM - 5:00 PM
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Lac Souterrain de St-Leonard
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Reviews (277)
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All reviews underground lake boat ride visit takes nice place to visit guide minutes cave french europe boats stairs chf length
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1 - 10 of 51 reviews
Reviewed 3 days ago

The Lake itself is of some interest if you like this kind of thing but the tour is very short, consisting of being rowed from one end to the other and back again, and lasts only about 25 minutes in total. Our guide was clearly...More

Date of experience: July 2019
Thank KPR_13
Reviewed 1 week ago via mobile

If you are in the area be sure to spend an hour here. The water is crystal clear, and the sensation of being on a boat on a lake under a mountain is pretty unique! The boats hold up to about 40 people. The guides...More

Date of experience: July 2019
Thank andydewey2017
Reviewed 4 weeks ago via mobile

A regular boat tour in the lake continues about 25 minutes with French, German and English speaking guide. The lake itself is super clear even one can see the bottom in shallow areas. Keep in mind that is bit chilly. The average temperature is 10C...More

Date of experience: June 2019
Thank odontuyaa
Reviewed May 3, 2019

Located near the Sierre, Canton of Valais, Switzerland, this lake is the largest underground lake in Switzerland. He can visit between March 15 and October 30, and visit his worth. The visit takes about an hour and there are guides for 4 languages.

Date of experience: March 2019
1  Thank Tufus92
Reviewed April 22, 2019 via mobile

It’s a nice place to visit. The trip costs 10 Chf for 40 minutes of boating inside the lake. I would totally recommend to visit

Date of experience: April 2019
1  Thank kiani_bilal
Reviewed August 16, 2018

This lake is beautiful and it feels like by going down the stairs that lead to the boats you just completely change settings in a matter of minutes and find yourself in a completely different place. Visited in August when it's hot outside and it...More

Date of experience: August 2018
Thank SenbeiNorimaki
Reviewed August 13, 2018

The guide said it's a biggest underground lake in Europe. It is very impressive, quiet and gorgeous with unbelievably clean water. The guide spoke 3 languages, French, German and English. He made the visit really interesting and meaningful. We didn't have to wait for anything....More

Date of experience: August 2018
Thank en613
Reviewed June 8, 2018

This beautiful Grotto hides one of the deepest grotto's in Europe. It is unbelievably beautiful and magical. The lady who does the tours is very friendly and tells you the history of the grotto like a fairy tale bedtime story. It is cheap for the...More

Date of experience: June 2018
2  Thank joaov184
Reviewed October 15, 2017 via mobile

Largest natural underground lake of Europe. You visit with small boats and the guides take you in the 260m length of the lake and back in about half an hour, providing interesting information. We went off season, so there was one boat after the other,...More

Date of experience: October 2017
Thank SunriseSki
Reviewed October 11, 2017 via mobile

We were staying in Crans-Montana and saw this on trip advisor. It is the largest natural underground lake in Europe. Entry is 10 Francs for adults. You are taken for a tour around the cave, the history is very interesting. Tour lasts about 40 minutes....More

Date of experience: October 2017
Thank charliepob
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June 28, 2019|
Response from andydewey2017 | Reviewed this property |
yes about 30 steps