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Sentier des 25 bosses

Hiking Hard Created at: March 17, 2026

Informations

Distance 14.99 km
Elevation gain 857 m
Elevation loss 857 m
Altitude minimum 68 m
Altitude maximum 123 m
Altitude Start 70 m
Altitude End 70 m
Estimated hiking time 4 h 30 min
Difficulty Hard

14.99 km loop hiking starting from Noisy-sur-École. Elevation gain is 857 m, with altitude ranging from 68 m to 123 m. Estimated time: 4 h 30 min. Starting town: Noisy-sur-École (Île-de-France, France).

This hike includes 1 significant climbs. With a total elevation gain of 475 m across 3.76 km, with an average slope of 12.7%.

  • Climb 1 (at km 14.97 km): +475 m over 3.76 km, average slope 12.7%

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