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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
Distance52.90 km
Elevation gain3965 m
Elevation loss3948 m
Estimated time18 h
Altitude maximum2692 m
Altitude minimum1403 m
TypeLoop
DifficultyVery hard
Weather forecast
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About this trail
52.90 km loop hiking starting from Bonnenuit.
This hike includes 10 significant climbs. With a total elevation gain of 2082 m across 11.85 km, with an average slope of 17.6%.
- Climb 1 (at km 4.49 km): +30 m over 390 m, average slope 7.7%
- Climb 2 (at km 8.40 km): +205 m over 1.05 km, average slope 19.5%
- Climb 3 (at km 11.40 km): +167 m over 777 m, average slope 21.5%
- Climb 4 (at km 17.54 km): +412 m over 2.08 km, average slope 19.9%
- Climb 5 (at km 26.92 km): +418 m over 2.25 km, average slope 18.6%
- Climb 6 (at km 29.01 km): +83 m over 628 m, average slope 13.2%
- Climb 7 (at km 31.62 km): +101 m over 534 m, average slope 18.9%
- Climb 8 (at km 35.24 km): +101 m over 607 m, average slope 16.6%
- Climb 9 (at km 40.23 km): +116 m over 733 m, average slope 15.8%
- Climb 10 (at km 44.19 km): +449 m over 2.80 km, average slope 16.0%
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Share photos of your trails
Help the community discover what each route really looks like.
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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