13.28 km loop hiking starting from Grignon. Elevation gain is 1214 m, with altitude ranging from 326 m to 605 m. Estimated time: 4 h. Starting town: Grignon (Auvergne-Rhône-Alpes, France).
This hike includes 3 significant climbs. With a total elevation gain of 221 m across 1.95 km, with an average slope of 11.4%.
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