Grand Crêt, Mountain summit in Lélex, France.
The Grand Crêt reaches an elevation of 1702 meters in the Ain department, standing as the third highest peak in the Jura mountain range.
The limestone formations of Grand Crêt date back to the Upper Kimmeridgian period, revealing the geological processes that shaped the Jura mountains.
The Grand Crêt lies within the National Nature Reserve of the High Jura, protecting the natural heritage of the French mountain landscape.
Hikers can reach the summit via the GR Geneva Balcony trail from Crêt de la Neige or through the GR Valserine Tour from Lélex village.
The eastern flank limestone layers display inclinations between 10 and 30 degrees toward the southeast, forming distinct geological patterns.
Location: Ain
Elevation above the sea: 1,702 m
Made from material: limestone
GPS coordinates: 46.27941,5.95377
Latest update: June 23, 2025 11:10
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