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Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Grenoble
Coublevie

Grand Ratz Launch Site loop from Coublevie

Hard

4.6

(16)

90

riders

Grand Ratz Launch Site loop from Coublevie

02:50

29.1km

710m

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: December 11, 2025

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Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional de Chartreuse

Waypoints

A

Start point

Bus stop

Get Directions

1

17.6 km

Grand Ratz Launch Site

Highlight • Viewpoint

B

29.1 km

End point

Bus stop

Way Types & Surfaces

Way Types

12.0 km

9.22 km

6.29 km

1.33 km

260 m

Surfaces

18.4 km

4.15 km

3.12 km

2.39 km

569 m

449 m

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Elevation

Elevation

Highest point (870 m)

Lowest point (400 m)

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Weather

Powered by Foreca

Thursday 11 December

13°C

1°C

0 %

If you start your activity now...

Max wind speed: 14.0 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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