75.23 km loop hiking starting from Calais. Elevation gain is 1571 m, with altitude ranging from -1 m to 161 m. Estimated time: 20 h. Starting town: Calais (Hauts-de-France, France).
This hike includes 1 significant climbs. With a total elevation gain of 736 m across 17.05 km, with an average slope of 4.3%.
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