Come and discover along an extraordinary walk, this unusual world of strange rock formations. Water, wind and time have sculpted this fantastic place in the grey stone of the Causse Noir.

6 clearly indicated walks are open to you. For OAPs and people of reduced mobility, families and all those who want to discover the site easily: VISITS WITH COMMENTARY ON THE PETIT TRAIN VERT (little green train). For the more sporty: VIA FERRATA supervised by our instructors to approach the site between earth and sky. This via ferrata first descends into a chasm to discover what is bellow the Grands Causses before climbing back up via ridges to the summit of this sumptuous landscape.L'Acro Roc is a Via Ferrata made for children (between 8 and 11 years old).Twinned ticket for Montpellier le Vieux and the Aven Armand.&nbsp;