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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
Distance85.46 km
Elevation gain5993 m
Elevation loss5992 m
Estimated time29 h 20 min
Altitude maximum2832 m
Altitude minimum1480 m
TypeLoop
DifficultyVery hard
Weather forecast
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About this trail
85.46 km loop hiking starting from Col de la Ponsonnière.
This hike includes 15 significant climbs. With a total elevation gain of 3786 m across 22.53 km, with an average slope of 16.8%.
- Climb 1 (at km 5.76 km): +166 m over 861 m, average slope 19.3%
- Climb 2 (at km 11.06 km): +337 m over 1.60 km, average slope 21.0%
- Climb 3 (at km 17.56 km): +320 m over 2.26 km, average slope 14.2%
- Climb 4 (at km 29.43 km): +411 m over 2.08 km, average slope 19.7%
- Climb 5 (at km 32.48 km): +311 m over 1.80 km, average slope 17.3%
- Climb 6 (at km 49.54 km): +567 m over 3.12 km, average slope 18.2%
- Climb 7 (at km 52.44 km): +109 m over 1.42 km, average slope 7.7%
- Climb 8 (at km 62.67 km): +558 m over 3.93 km, average slope 14.2%
- Climb 9 (at km 63.96 km): +31 m over 176 m, average slope 17.6%
- Climb 10 (at km 67.25 km): +236 m over 1.39 km, average slope 17.0%
- Climb 11 (at km 68.80 km): +47 m over 227 m, average slope 20.7%
- Climb 12 (at km 71.72 km): +318 m over 1.35 km, average slope 23.6%
- Climb 13 (at km 79.55 km): +164 m over 1.05 km, average slope 15.6%
- Climb 14 (at km 80.97 km): +101 m over 534 m, average slope 18.9%
- Climb 15 (at km 84.71 km): +110 m over 730 m, average slope 15.1%
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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