Boullay-les-Troux Climb – CNRS Castle loop from Palaiseau - Villebon
Boullay-les-Troux Climb – CNRS Castle loop from Palaiseau - Villebon
3.8
(4)
33
riders
Boullay-les-Troux Climb – CNRS Castle loop from Palaiseau - Villebon
01:40
35.9km
320m
Road cycling
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.
Last updated: June 27, 2026
Tips
Temporary access restrictions
Includes segments with temporary access restrictions. Check ahead to confirm restricted segments are open to the public.
After 4.40 km for 103 m
Waypoints
Start point
Train Station
Get Directions
15.2 km
Stone Shrine in Parc Naturel Régional de la Haute Vallée de Chevreuse
Highlight • Religious Site
16.6 km
Chemin Molière – Saint-Rémy-lès-Chevreuse
Highlight (Segment) • Trail
Translated by Google •
Tip by
18.7 km
Boullay-les-Troux Climb
Highlight • Climb
Translated by Google •
Tip by
24.9 km
Hidden Waterfall
Highlight • Waterfall
Translated by Google •
Tip by
26.8 km
CNRS Castle
Highlight • Castle
Translated by Google •
Tip by
27.1 km
The sofa
Highlight • Other
Translated by Google •
Tip by
35.9 km
End point
Train Station
Way Types & Surfaces
Way Types
21.6 km
8.89 km
2.28 km
1.98 km
758 m
204 m
< 100 m
Surfaces
32.7 km
1.93 km
1.16 km
< 100 m
< 100 m
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Elevation
Highest point (180 m)
Lowest point (60 m)
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Weather
Powered by Foreca
Friday 10 July
35°C
21°C
0 %
Additional weather tips
Max wind speed: 18.0 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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