Dent de Crolles, Limestone mountain peak in Chartreuse Mountains, France
The Dent de Crolles rises 2,062 meters above sea level, forming a distinctive tooth-shaped silhouette against the Isère Valley northeast of Grenoble.
Explorers Pierre Chevalier and Fernand Petzl conducted extensive cave system investigations during World War II, establishing it as the deepest known cave at 658 meters.
The mountain's name derives from French word dent meaning tooth, referencing its shape when viewed from the village of Crolles in the valley.
The Col du Coq provides primary access to the summit through marked trails, with the GR9 footpath offering the most direct route to the plateau.
The mountain contains a network of 60 kilometers of underground passages accessed through eighteen separate entrances spread across three different communes.
Location: Isère
Elevation above the sea: 2,062 m
Made from material: limestone
GPS coordinates: 45.30822,5.85556
Latest update: June 23, 2025 09:40
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