Subterranean lake of St – Leonard – VS

Explored for the first time in 1943, the subterranean lake of St-Leonard is located between Sion and Sierre in the heart of the Swiss Alps along the Rhone valley. With a length of around 300 meters this is the largest natural underground lake in Europe which can be explored by boat (swimming is forbidden).You can […]

The natural caves of Vallorbe – VD

The “Vallorbe Natural Caves” are the biggest in Switzerland and also considered as some of the most beautiful in Europe. It is an impressive geological formation created by the river Orbe roaring noisily through the caves. The Cathedral is an enormous vault dome of 30m high and a natural theatre for sound and light show. […]

Môtiers waterfall and cave – FR

The waterfall of Môtiers and its cavern as well as the so called toblerone line are located at the entrance of the hiking trail to the gorges of Poëta-Raisse, ten minute walk outside of Môtiers village. It’s an easy walk, and a real treat for cavers. The toblerone line is a defensive line made of […]