Preserved Sand Quarry – Les Fontaines Bouillantes loop from Saint-Arnoult-en-Yvelines
Preserved Sand Quarry – Les Fontaines Bouillantes loop from Saint-Arnoult-en-Yvelines
4.5
(2)
22
riders
03:05
34.6km
310m
Cycling
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route. The starting point of the route is accessible with public transport.
Last updated: May 10, 2026
Waypoints
Start point
Bus stop
Get Directions
3.01 km
Mare Double
Lake
4.56 km
Highlight • Trail
Translated by Google •
Tip by
6.55 km
Highlight • Viewpoint
Translated by Google •
Tip by
18.1 km
Highlight • Natural
Translated by Google •
Tip by
18.2 km
Highlight • Natural Monument
Translated by Google •
Tip by
22.1 km
Highlight • Lake
23.0 km
Forêt de Dourdan
Forest
33.2 km
Highlight • Other
33.9 km
Highlight • Other
Translated by Google •
Tip by
34.6 km
End point
Bus stop
Way Types & Surfaces
Way Types
25.3 km
3.70 km
2.71 km
1.89 km
515 m
364 m
157 m
Surfaces
27.5 km
6.32 km
851 m
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Elevation
Highest point (170 m)
Lowest point (100 m)
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Weather
Powered by Foreca
Sunday 24 May
32°C
16°C
0 %
Additional weather tips
Max wind speed: 13.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.