14.05 km loop hiking starting from Boulogne-sur-Mer. Elevation gain is 361 m, with altitude ranging from 2 m to 92 m. Estimated time: 3 h 40 min. Starting town: Boulogne-sur-Mer (Hauts-de-France, France).
This hike includes 1 significant climbs. With a total elevation gain of 97 m across 2.25 km, with an average slope of 4.3%.
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