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Cœur de Bretagne, Bonamenay - Tréhorenteuc

Hiking Very hard Created at: March 17, 2026

Informations

Distance 42.62 km
Elevation gain 1010 m
Elevation loss 995 m
Altitude minimum 66 m
Altitude maximum 235 m
Altitude Start 155 m
Altitude End 170 m
Estimated hiking time 11 h
Difficulty Very hard

42.62 km loop hiking starting from Coganne. Elevation gain is 1010 m, with altitude ranging from 66 m to 235 m. Estimated time: 11 h. Starting town: Coganne (Bretagne, France).

This hike includes 1 significant climbs. With a total elevation gain of 178 m across 4.29 km, with an average slope of 4.2%.

  • Climb 1 (at km 25.14 km): +178 m over 4.29 km, average slope 4.2%

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