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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
Distance156.90 km
Elevation gain7925 m
Elevation loss6767 m
Estimated time45 h 20 min
Altitude maximum2325 m
Altitude minimum657 m
TypeLoop
DifficultyVery hard
Weather forecast
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About this trail
156.90 km loop hiking starting from Castle Crag.
This hike includes 20 significant climbs. With a total elevation gain of 3652 m across 37.40 km, with an average slope of 9.8%.
- Climb 1 (at km 1.35 km): +88 m over 608 m, average slope 14.5%
- Climb 2 (at km 5.20 km): +114 m over 1.25 km, average slope 9.1%
- Climb 3 (at km 8.92 km): +73 m over 562 m, average slope 13.0%
- Climb 4 (at km 13.13 km): +113 m over 1.26 km, average slope 9.0%
- Climb 5 (at km 29.82 km): +840 m over 6.42 km, average slope 13.1%
- Climb 6 (at km 36.04 km): +122 m over 1.39 km, average slope 8.8%
- Climb 7 (at km 42.49 km): +116 m over 1.60 km, average slope 7.3%
- Climb 8 (at km 51.29 km): +201 m over 3.33 km, average slope 6.0%
- Climb 9 (at km 70.30 km): +38 m over 542 m, average slope 7.0%
- Climb 10 (at km 74.80 km): +111 m over 1.84 km, average slope 6.1%
- Climb 11 (at km 100.04 km): +415 m over 5.05 km, average slope 8.2%
- Climb 12 (at km 107.10 km): +187 m over 1.82 km, average slope 10.3%
- Climb 13 (at km 109.61 km): +83 m over 615 m, average slope 13.5%
- Climb 14 (at km 112.79 km): +69 m over 738 m, average slope 9.4%
- Climb 15 (at km 128.15 km): +370 m over 3.54 km, average slope 10.5%
- Climb 16 (at km 131.32 km): +117 m over 1.17 km, average slope 10.0%
- Climb 17 (at km 134.57 km): +161 m over 1.34 km, average slope 12.0%
- Climb 18 (at km 141.89 km): +107 m over 930 m, average slope 11.5%
- Climb 19 (at km 145.36 km): +105 m over 1.04 km, average slope 10.1%
- Climb 20 (at km 151.93 km): +222 m over 2.37 km, average slope 9.4%
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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