Château du Marais – Sandpit loop from Bullion
Château du Marais – Sandpit loop from Bullion
8
riders
02:29
31.0km
290m
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: May 13, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Parc naturel régional de la Haute Vallée de Chevreuse
Natura 2000 du Massif de Rambouillet et Zones Humides Proches
Waypoints
Start point
Bus stop
Get Directions
11.3 km
Highlight • Castle
Translated by Google •
Tip by
23.3 km
Highlight • Other
Translated by Google •
Tip by
31.0 km
End point
Bus stop
Way Types & Surfaces
Way Types
22.4 km
3.49 km
2.70 km
2.30 km
169 m
Surfaces
11.6 km
7.63 km
5.59 km
3.56 km
2.49 km
107 m
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Elevation
Highest point (170 m)
Lowest point (70 m)
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Weather
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Today
Saturday 23 May
31°C
16°C
0 %
Additional weather tips
Max wind speed: 12.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.