Rock curtains (‘Les draperies’).
Aragonite crystals.
Stalactites.
In 1938 speleologists explored the underground network and discovered its geological, crystallographic and aesthetic wealth.
Devil’s bridge (‘Le pont du diable’).
‘La salle du lac’.
‘Lilas’.
‘Les excentriques’
The number of visitors is limited, therefore you are advised to book in advance. There are guided tours animated by sound and light in 4 languages (Fr, Eng, Ger, Spa).