Valley view – View of the Petite Vallée loop from Courcelle-sur-Yvette
Valley view – View of the Petite Vallée loop from Courcelle-sur-Yvette
4.5
(6)
43
riders
04:27
56.6km
770m
Mountain biking
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.
Last updated: September 24, 2026
Tips
Cycling is not permitted along parts of this route
After 18.5 km for 69 m
After 31.7 km for 221 m
After 42.1 km for 92 m
Waypoints
Start point
Train Station
7.11 km
Highlight • Trail
Translated by Google •
Tip by
7.62 km
Bassin du Baratage
Lake
11.5 km
Highlight (Segment) • Trail
Translated by Google •
Tip by
14.1 km
Highlight • Structure
Translated by Google •
Tip by
19.5 km
Highlight • Other
Translated by Google •
Tip by
29.4 km
Highlight (Segment) • Climb
Translated by Google •
Tip by
31.8 km
Bassin Sec du Mort Rû
Lake
33.1 km
Bois du Gros Chêne
Forest
34.2 km
Highlight • Other
Translated by Google •
Tip by
34.6 km
Bois de Monsieur
Forest
37.5 km
Highlight • Viewpoint
Translated by Google •
Tip by
41.0 km
Highlight • Trail
Translated by Google •
Tip by
56.6 km
End point
Train Station
Way Types & Surfaces
Way Types
23.8 km
12.5 km
8.11 km
6.68 km
5.48 km
< 100 m
Surfaces
17.4 km
14.1 km
10.7 km
9.36 km
4.47 km
628 m
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Sign up for freeElevation
Highest point (170 m)
Lowest point (60 m)
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Sign up for freeWeather
Powered by Foreca
Friday 9 October
18°C
9°C
20 %
Additional weather tips
Max wind speed: 20.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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