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The largest natural Undeground lake in Europe

The subterranean lake of St-Leonard is located in Saint Leonard in the canton of Valais, Switzerland

With a length of around 300 meters this is the largest natural underground lake in Europe which can be explored by boat.

If you are interested in visiting it, you can have a 30 minute boat trip with a guide, on the crystal clear water.

You will definitely enjoy the peace of this amazing place while your guide explains  all sorts of fascinating details about the origin and the history of the underground lake.

Open from March 19th until November 6th (9:00-17:00)

check out some of the pictures :

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created at

2016.03.22 17:58 Tue


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