52.32 km loop hiking starting from Boulogne-Billancourt. Elevation gain is 863 m, with altitude ranging from 21 m to 121 m. Estimated time: 13 h 20 min. Starting town: Boulogne-Billancourt (Île-de-France, France).
This hike includes 1 significant climbs. With a total elevation gain of 99 m across 3.55 km, with an average slope of 2.8%.
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