http://www.clamouse.comYou are about to discover an underground world which is a jewel in the crown of tourist sites in the Hérault and southern France. Its amazing abundance of aragonite and calcite concretions have made it one of the most popular caves in France. It is soon to be listed is a UNESCO Heritage Site.
Scientists have used for field study over the last 20 years (in 2000 it hosted the "out of time" experience led by Michel Siffre)