Aven Armand cave on the Causse Méjean. Illuminated stalagmites.Aven Armand cave on the Causse Méjean. Illuminated stalagmites.
©Aven Armand cave on the Causse Méjean. Illuminated stalagmites.

Caves and gorges of the Grands Causses

Discover the hidden treasures of the Grands Causses

Discover the caves and avens of the Grands Causses… There are no rivers running through the deserts of the Grands Causses, as the permeable limestone soil allows rainwater to seep through. This infiltration has given rise to numerous caves and avens on the Causse de Sauveterre and the Causse Méjean.

The Grands Causses, land of

Caves and Avens

Nature sometimes has spectacular surprises in store for us, and in the bowels of the earth, water has secretly shaped extraordinary forms: this is the territory of caves and avens. Discover these underground paradises without further ado…

Some caves are open to the public:


Aven Armand

Come and marvel at nature’s masterpieces at Aven Armand.

Located on the Causse Méjean , it features almost 400 stalagmites ,including “La Grande Stalagmite“,30m high. Its impressive size has earned it a world record for the largest stalagmite in the underground world.


Grotte de Dargilan

A place of magic and imagination, visit the Grotte de Dargilan near Meyrueis to discover impressive stalactites and stalagmites in the very heart of the Gorges de la Jonte . This cave, nicknamed “the pink cave”, has galleries rather than a single cavity, unlike theaven armand.


Bramabiau Abyss

Immerse yourself in a cave and observe the underground river of Bramabiau. At its peak, a huge waterfall will stand in front of you, and the sound of flowing water will transport you into an enchanted universe… On the border between the Gard and Lozère departments, this is a unique and unmissable site.

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