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Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Grenoble
Coublevie

Grand Ratz Launch Site – Gorges du Bret loop from Coublevie

Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Grenoble
Coublevie

Grand Ratz Launch Site – Gorges du Bret loop from Coublevie

Hard

4.4

(20)

101

riders

Grand Ratz Launch Site – Gorges du Bret loop from Coublevie

02:51

29.2km

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: August 24, 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 14.7 km for 798 m

After 18.6 km for 152 m

After 19.2 km for 111 m

After 20.3 km for 261 m

Waypoints

A

Start point

Bus stop

Get Directions

15.9 km

Espace naturel sensible du Grand Ratz

Nature Reserve

2

17.7 km

Grand Ratz Launch Site

Highlight • Viewpoint

3

21.5 km

Gorges du Bret

Highlight • Gorge

The Gorges du Bret live up to their names. “Bret” is an old Dauphinois word which means “narrow passage between rocks”. Here you will progress following a single track in …

Translated by Google •

Tip by

B

29.2 km

End point

Bus stop

Loading

Way Types & Surfaces

Way Types

12.4 km

8.91 km

6.28 km

1.41 km

216 m

Surfaces

18.7 km

4.03 km

3.34 km

2.32 km

510 m

256 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 (870 m)

Lowest point (400 m)

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Weather

Powered by Foreca

Thursday 8 October

14°C

7°C

13 %

Additional weather tips

Max wind speed: 19.0 km/h

to get more detailed weather forecasts along your route

Comments

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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