Located on the limestone plateau of the Ardèche gorges, discovered in 1935 by Robert de Joly, the Aven d'Orgnac is classified as a Grand Site de France.

You can visit this natural and majestic site formed 100 million years ago in the limestone rock, walking through these 5 km of galleries and admiring 3 gigantic underground chambers with its breathtaking landscapes.

Its stalactites and stalagmites are the richest discovery of all time.

This spectacular cave will delight you and you can also visit the prehistoric city on the same site.