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Nicolas planned a mountain bike ride
April 20, 2026
Boucle 🍄 a VTT – Col des Fontanettes au départ de Grignon
02:39
21.2km
8.0km/h
980m
970m
Overview
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is right next to a parking lot.
Includes a segment that may be dangerous
A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.
After 12.0Â km for 230Â m
Waypoints
Start point
Parking
Get Directions
2.75Â km
🍄 a VTT
Highlight • Other
5.44Â km
ForĂŞt de Rhonne
Forest
11.8Â km
Fontanettes Pass
Highlight • Mountain Pass
14.1Â km
The observatory
Highlight • Other
21.2Â km
End point
Parking
Way Types & Surfaces
Way Types
12.9Â km
6.89Â km
1.33Â km
< 100Â m
Surfaces
6.96Â km
6.44Â km
4.67Â km
2.13Â km
497Â m
465Â m
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Route Details
Elevation
Highest point (1,290Â m)
Lowest point (340Â m)
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Weather
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Comments
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