Timeline

Key figures

Origin and history

The Aven Armand is a natural underground cavity discovered in 1897 by Louis Armand, a local blacksmith, accompanied by Édouard-Alfred Martel and Armand Viré. Located under the causse Méjean in Lozère, this cave is famous for its impressive stalagmites, some of which reach 30 meters high, forming a unique "forest" in Europe. Access to the cave was facilitated in 1927 by the drilling of a 208-metre tunnel, equipped with steps, making the site accessible to the public.

In 1963, a funicular was installed to allow visitors to avoid the hundreds of steps leading to the main hall, located 100 meters underground. This 193-metre long funicular with a 54-metre elevation is the only equipment of this type in Lozère. It will be replaced in 2025 as part of the centenary of the opening of the site to the public. Leven Armand, ranked since 1941, is also known for his cultural appearances, such as the filming of Nolwenn Leroy's Gemma in 2017.

The cave was also illustrated in an attempt to register UNESCO's world heritage in 1999, in a dossier of 18 sites and 24 caves in southern France. Although the project was withdrawn in 2007, the Aven Armand remains an emblematic site of speleological tourism in France, attracting visitors for its exceptional geological formations and its history related to underground exploration.

The main hall, 110 metres long and 60 metres wide, houses more than 400 stalagmites of various shapes, resulting from geological factors such as water flow rate and the chemical composition of limestone deposits. Stalactites are small due to rapid water infiltration, concentrating deposits on stalagmites. The cavity, with a total elevation of 197 metres, is a remarkable example of the French karst heritage.

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