đ a VTT â The observatory loop from Grignon
đ a VTT â The observatory loop from Grignon
4.7
(3)
30
riders
02:49
21.2km
1,100m
Mountain biking
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.
Last updated: April 26, 2026
Tips
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 233Â m
Waypoints
Start point
Parking
Get Directions
2.75Â km
Highlight âą Other
5.44Â km
ForĂȘt de Rhonne
Forest
11.8Â km
Highlight âą Mountain Pass
14.1Â km
Highlight âą Other
21.2Â km
End point
Parking
Way Types & Surfaces
Way Types
12.9Â km
6.91Â km
1.36Â km
< 100Â m
Surfaces
6.99Â km
6.45Â km
4.68Â km
2.13Â km
498Â m
466Â m
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Elevation
Highest point (1,290Â m)
Lowest point (340Â m)
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Weather
Powered by Foreca
Thursday 23 July
28°C
12°C
0Â %
Additional weather tips
Max wind speed: 5.0Â km/h
to get more detailed weather forecasts along your route
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Comments
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