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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
Distance116.22 km
Elevation gain5339 m
Elevation loss5022 m
Estimated time35 h 20 min
Altitude maximum3320 m
Altitude minimum2319 m
TypeLoop
DifficultyVery hard
Weather forecast
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About this trail
116.22 km loop hiking starting from Lembert Dome.
This hike includes 13 significant climbs. With a total elevation gain of 3650 m across 37.72 km, with an average slope of 9.7%.
- Climb 1 (at km 13.71 km): +274 m over 3.36 km, average slope 8.2%
- Climb 2 (at km 19.94 km): +85 m over 2.13 km, average slope 4.0%
- Climb 3 (at km 28.41 km): +381 m over 3.38 km, average slope 11.3%
- Climb 4 (at km 37.56 km): +489 m over 3.99 km, average slope 12.3%
- Climb 5 (at km 42.58 km): +81 m over 552 m, average slope 14.7%
- Climb 6 (at km 51.87 km): +448 m over 3.08 km, average slope 14.5%
- Climb 7 (at km 53.93 km): +35 m over 232 m, average slope 15.1%
- Climb 8 (at km 60.14 km): +222 m over 1.44 km, average slope 15.4%
- Climb 9 (at km 65.43 km): +361 m over 2.42 km, average slope 14.9%
- Climb 10 (at km 84.89 km): +479 m over 8.35 km, average slope 5.7%
- Climb 11 (at km 103.57 km): +613 m over 6.09 km, average slope 10.1%
- Climb 12 (at km 108.10 km): +97 m over 1.44 km, average slope 6.7%
- Climb 13 (at km 112.18 km): +85 m over 1.26 km, average slope 6.8%
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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