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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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Distance88.02 km
Elevation gain6366 m
Elevation loss6309 m
Estimated time29 h 50 min
Altitude maximum1904 m
Altitude minimum211 m
TypeLoop
DifficultyVery hard
Weather forecast
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About this trail
88.02 km loop hiking starting from Grenoble.
This hike includes 16 significant climbs. With a total elevation gain of 3961 m across 27.91 km, with an average slope of 14.2%.
- Climb 1 (at km 7.24 km): +332 m over 1.87 km, average slope 17.8%
- Climb 2 (at km 12.57 km): +502 m over 2.47 km, average slope 20.3%
- Climb 3 (at km 14.99 km): +38 m over 439 m, average slope 8.7%
- Climb 4 (at km 21.35 km): +425 m over 3.43 km, average slope 12.4%
- Climb 5 (at km 26.40 km): +342 m over 2.81 km, average slope 12.2%
- Climb 6 (at km 27.73 km): +77 m over 627 m, average slope 12.3%
- Climb 7 (at km 30.10 km): +86 m over 683 m, average slope 12.6%
- Climb 8 (at km 41.99 km): +699 m over 3.84 km, average slope 18.2%
- Climb 9 (at km 46.49 km): +410 m over 2.02 km, average slope 20.3%
- Climb 10 (at km 53.10 km): +95 m over 908 m, average slope 10.5%
- Climb 11 (at km 62.51 km): +139 m over 1.14 km, average slope 12.2%
- Climb 12 (at km 64.10 km): +184 m over 1.09 km, average slope 16.9%
- Climb 13 (at km 71.60 km): +489 m over 4.94 km, average slope 9.9%
- Climb 14 (at km 80.17 km): +58 m over 771 m, average slope 7.5%
- Climb 15 (at km 84.08 km): +49 m over 489 m, average slope 10.0%
- Climb 16 (at km 87.46 km): +36 m over 391 m, average slope 9.2%
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French independent team — GDPR-native