Come and discover during your visit giant stalagmites and stalactites, calcite flows, large columns, translucent draperies which impressed the inventors of modern speleology. Come and visit one of the most famous natural cavities, with concretions, fitted out for tourism in the south of France. This cave of impressive dimensions (55 m high and 120 m wide) is a true wonder of the underground world. A veritable cathedral of the abyss, equipped with the first underground tourist funicular in Europe.