You'll discover an unusual world where the water's excavation of the galleries has created a labyrinth of curious shapes. Accessible to all, it combines sport, science and adventure. You'll go into horizontal cavities that require no technical equipment.

This first level is for those who want to discover the underground world and caving. You have time to observe, contemplate and awaken your senses. A few water passages, small crossings and climbs spice up the route.