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Directions to trailhead
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All outdoor activities
Hiking, trail running, cycling, ski touring, snowshoeing.
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Distance72.18 km
Elevation gain2251 m
Elevation loss2251 m
Estimated time21 h
Altitude maximum466 m
Altitude minimum108 m
TypeLoop
DifficultyVery hard
Weather forecast
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About this trail
72.18 km loop hiking starting from Colden.
This hike includes 15 significant climbs. With a total elevation gain of 1723 m across 25.20 km, with an average slope of 6.8%.
- Climb 1 (at km 1.04 km): +70 m over 438 m, average slope 16.0%
- Climb 2 (at km 6.93 km): +188 m over 2.90 km, average slope 6.5%
- Climb 3 (at km 12.36 km): +117 m over 1.87 km, average slope 6.3%
- Climb 4 (at km 15.99 km): +115 m over 996 m, average slope 11.6%
- Climb 5 (at km 18.47 km): +43 m over 874 m, average slope 4.9%
- Climb 6 (at km 21.37 km): +64 m over 1.20 km, average slope 5.3%
- Climb 7 (at km 23.97 km): +88 m over 1.22 km, average slope 7.2%
- Climb 8 (at km 35.02 km): +279 m over 4.56 km, average slope 6.1%
- Climb 9 (at km 42.99 km): +105 m over 1.63 km, average slope 6.4%
- Climb 10 (at km 44.95 km): +51 m over 620 m, average slope 8.2%
- Climb 11 (at km 48.81 km): +93 m over 1.75 km, average slope 5.3%
- Climb 12 (at km 54.57 km): +149 m over 1.88 km, average slope 7.9%
- Climb 13 (at km 61.88 km): +171 m over 2.69 km, average slope 6.4%
- Climb 14 (at km 67.45 km): +106 m over 1.71 km, average slope 6.2%
- Climb 15 (at km 71.09 km): +84 m over 843 m, average slope 10.0%
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Truly free — no hidden premium
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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