Open to all, from 10 (for the more courageous)/12 years onward, fruit juice provided for the young explorators.
No compulsory cralspace, just a few passages where you have to bend down.
Required : good physical condition.
About 3h/3h30 underground + 30min : reception, equipement, preparation.
Direct access to the cave through the tunnel of the touristic part, no long access walk.