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Distance13.28 km
Elevation gain749 m
Elevation loss749 m
Estimated time3 h 50 min
Altitude maximum606 m
Altitude minimum329 m
TypeLoop
DifficultyHard
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About this trail
13.28 km loop hiking starting from Grignon.
This hike includes 3 significant climbs. With a total elevation gain of 221 m across 1.95 km, with an average slope of 11.4%.
- Climb 1 (at km 1.84 km): +32 m over 896 m, average slope 3.6%
- Climb 2 (at km 6.73 km): +44 m over 164 m, average slope 26.9%
- Climb 3 (at km 10.10 km): +145 m over 886 m, average slope 16.4%
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