Large Rock loop from Saint-Ismier
Large Rock loop from Saint-Ismier
5.0
(2)
22
riders
Large Rock loop from Saint-Ismier
02:01
18.8km
650m
Mountain biking
Hard mountain bike ride. 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 accessible with public transport.
Last updated: April 11, 2026
Tips
Includes a segment that is highly dangerous
A part of this route comprises highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.
After 9.43 km for 4 m
Waypoints
Start point
Bus stop
Get Directions
2.89 km
Tour d'Arces and View of the Grésivaudan Valley
Highlight • Castle
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Tip by
3.76 km
Large Rock
Highlight • Natural Monument
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Tip by
5.13 km
View of the valley and Grenoble from a pretty clearing
Highlight • Other
Translated by Google •
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8.38 km
Rolling path under the reservoirs
Highlight (Segment) • Other
Translated by Google •
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9.96 km
Viewpoint
Viewpoint
11.6 km
View of the Summit of Saint-Eynard
Highlight • Viewpoint
Translated by Google •
Tip by
12.2 km
Forêt communale de Corenc
Forest
17.9 km
View of the Chartreuse Mountains from Route de Biviers
Highlight • Viewpoint
Translated by Google •
Tip by
18.8 km
End point
Bus stop
Way Types & Surfaces
Way Types
10.3 km
5.68 km
2.07 km
442 m
288 m
Surfaces
7.24 km
6.16 km
3.09 km
989 m
907 m
331 m
< 100 m
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Elevation
Highest point (670 m)
Lowest point (360 m)
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Weather
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Friday 22 May
23°C
12°C
0 %
Additional weather tips
Max wind speed: 6.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.