The Dévoluy Mountains (, ) is a

limestone Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...

massif located in

Hautes-Alpes Hautes-Alpes (; ; ) is a Departments of France, department in the Provence-Alpes-Côte d'Azur Regions of France, region of Southeastern France. It is located in the heart of the French Alps, after which it is named. Hautes-Alpes had a population ...

, France. It is part of the Dauphiné Prealps and is bordered by the Drac River to the north and the Buëch River to the south and west and is a popular destination for hiking, mountaineering and skiing. Its most notable peaks are the Grande Tête de l'Obiou (2,789 m) and Pic de Bure at 2,709 m.

References

Dauphiné Prealps {{Provence-geo-stub