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All outdoor activities
Hiking, trail running, cycling, ski touring, snowshoeing.
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Distance7.61 km
Elevation gain502 m
Elevation loss502 m
Estimated time2 h 40 min
Altitude maximum686 m
Altitude minimum329 m
TypeLoop
DifficultyEasy
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About this trail
7.61 km loop hiking starting from Grignon.
This hike includes 1 significant climbs. With a total elevation gain of 330 m across 2.08 km, with an average slope of 15.9%.
- Climb 1 (at km 5.64 km): +330 m over 2.08 km, average slope 15.9%
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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
