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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
Distance42.49 km
Elevation gain4087 m
Elevation loss4493 m
Estimated time15 h
Altitude maximum3348 m
Altitude minimum1162 m
TypeLoop
DifficultyVery hard
Weather forecast
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About this trail
42.49 km loop hiking starting from Changu.
This hike includes 7 significant climbs. With a total elevation gain of 2159 m across 12.40 km, with an average slope of 17.4%.
- Climb 1 (at km 5.28 km): +937 m over 4.14 km, average slope 22.6%
- Climb 2 (at km 8.47 km): +158 m over 632 m, average slope 25.0%
- Climb 3 (at km 11.10 km): +205 m over 655 m, average slope 31.3%
- Climb 4 (at km 17.46 km): +413 m over 3.67 km, average slope 11.2%
- Climb 5 (at km 22.81 km): +263 m over 1.49 km, average slope 17.7%
- Climb 6 (at km 28.68 km): +146 m over 1.49 km, average slope 9.8%
- Climb 7 (at km 42.33 km): +37 m over 314 m, average slope 11.8%
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No ads, no third-party trackers
Privacy-first analytics, hosted in France. Your data stays yours.
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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