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Directions to trailhead
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All outdoor activities
Hiking, trail running, cycling, ski touring, snowshoeing.
French independent team — GDPR-native
Distance71.33 km
Elevation gain4304 m
Elevation loss2950 m
Estimated time22 h 30 min
Altitude maximum2519 m
Altitude minimum821 m
TypeOut & back
DifficultyVery hard
Weather forecast
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About this trail
71.33 km loop hiking starting from Comus.
This hike includes 8 significant climbs. With a total elevation gain of 2615 m across 25.44 km, with an average slope of 10.3%.
- Climb 1 (at km 6.01 km): +293 m over 3.23 km, average slope 9.1%
- Climb 2 (at km 9.50 km): +381 m over 2.39 km, average slope 15.9%
- Climb 3 (at km 14.57 km): +68 m over 1.08 km, average slope 6.3%
- Climb 4 (at km 22.26 km): +38 m over 325 m, average slope 11.7%
- Climb 5 (at km 35.60 km): +900 m over 8.96 km, average slope 10.1%
- Climb 6 (at km 46.26 km): +226 m over 3.84 km, average slope 5.9%
- Climb 7 (at km 49.38 km): +123 m over 1.10 km, average slope 11.2%
- Climb 8 (at km 55.07 km): +586 m over 4.51 km, average slope 13.0%
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Truly free — no hidden premium
Topo maps, GPX, offline use included. No premium paywall.
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A real app, not just a website
iOS + Android with offline topo maps and live GPS navigation.
French independent team — GDPR-native