The cave shelters a rich and varied fauna.
Its very elusive nature requires to be very attentive to have a chance to observe it.
Bats are probably its best known dwellers. As soon as the cold season arrives, they take refuge in subterranean environments.
This environment really brings together all the essential conditions for good hibernation:
✔ Constant and low temperature (10°C/50°F)
✔ High relative humidity (+/- 80%)
✔ Absolute calm
An extensive series of actions have been put in place to ensure the ecological management of the site.
Thanks to this policy, the site obtained in 2001 the underground cavity of scientific interest classification and welcomes an evergrowing population of bats.