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Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Grenoble
Villard-Bonnot

Large Rock – Short mountain bike descent loop from Brignoud

Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Grenoble
Villard-Bonnot

Large Rock – Short mountain bike descent loop from Brignoud

Hard

4.4

(10)

34

riders

Large Rock – Short mountain bike descent loop from Brignoud

03:49

36.3km

1,080m

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 accessible with public transport.

Last updated: May 16, 2026

Tips

Includes segments that may be dangerous

Parts of this route comprise highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 11.4 km for 551 m

After 12.5 km for 127 m

After 24.9 km for 127 m

After 25.5 km for 551 m

After 30.9 km for 262 m

Waypoints

A

Start point

Train Station

Get Directions

1

12.6 km

Tour d'Arces and View of the Grésivaudan Valley

Highlight • Castle

The tower of Arces was once the keep of a fortified castle. Built between the 12th and 13th centuries, this castle made it possible to monitor the Grésivaudan valley.

Translated by Google •

Tip by

2

13.5 km

Large Rock

Highlight • Natural Monument

It is, as its name suggests, a big stone! This rather huge rock is quite curious. It is worth the detour!

Translated by Google •

Tip by

3

15.4 km

Field with clear view, ideal for a snack. Be careful, the accesses can be very muddy in wet weather.

Translated by Google •

Tip by

22.1 km

Viewpoint

Viewpoint

5

27.6 km

Short mountain bike descent

Highlight • Trail

Ideal for first "technical" descents by managing its trajectory and its speed (fall of 3m possible on the left)

Translated by Google •

Tip by

6

30.1 km

Nice single above Bernin

Highlight • Trail

Nice little single

Translated by Google •

Tip by

7

30.3 km

Imposing rock that offers numerous routes to climbers of all levels

Translated by Google •

Tip by

B

36.3 km

End point

Train Station

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Way Types & Surfaces

Way Types

18.5 km

8.27 km

3.29 km

3.24 km

1.81 km

1.09 km

< 100 m

Surfaces

12.7 km

9.53 km

7.52 km

2.49 km

1.85 km

1.59 km

559 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (700 m)

Lowest point (230 m)

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Weather

Powered by Foreca

Wednesday 20 May

28°C

11°C

0 %

Additional weather tips

Max wind speed: 5.0 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.

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