The géological and ecological heritage

The Jura is of quite remarkable geological interest, with some superb caves including those of Moidon and Baume-les-Messieurs. During the 45-minute guided tour of Moidon, you will gaze in wonder at the most beautiful stalactites in the Jura and enjoy a splendid sound and light show.
At Baume-les-Messieurs, from the nave of the church you will enter the enormously high caves (up to 80 m) decorated with concretions and natural sculptures.
At Baume-les-Messieurs and La Frasnée, you will be able to explore the very best of the Jura "Reculées", a rare geological phenomenon of short, vertical-sided valleys sheltering caves and underground rivers.
In the Haut-Jura national park, you will discover rare mountain plants, the Jura peatlands and many other things specific to the geology, the bioclimate and the flora and fauna of the Jura region.
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