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Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Gex
Thoiry

Crozet Pass – Colomby de Gex Summit loop from Thoiry

Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Gex
Thoiry

Crozet Pass – Colomby de Gex Summit loop from Thoiry

Hard

11

riders

Crozet Pass – Colomby de Gex Summit loop from Thoiry

04:53

44.5km

1,550m

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: September 24, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional du Haut-Jura

Waypoints

A

Start point

Bus stop

Get Directions
1

5.81 km

View of Le Reculet

Highlight • Viewpoint

2

7.24 km

Fun descent

Highlight • Other

some technical downhill passages

Translated by Google •

Tip by

3

20.3 km

4

20.7 km

Fierney Gondola Arrival

Highlight • Rest Area

5

22.1 km

magnificent view of Lake Geneva, Salève and Mont Blanc

Translated by Google •

Tip by

6

23.4 km

Crozet Pass

Highlight • Mountain Pass

The Col de Crozet connects Crozet and Lelex over the ridge of the Jura. From about 1000 meters above sea level from Crozet, the forest road turns into coarse gravel. …

Translated by Google •

Tip by

7

27.5 km

Colomby de Gex Summit

Highlight • Summit

Colomby de Gex is a summit of the French Jura in the Ain which rises to 1688 meters of altitude. It is the 4th highest mountain in the Jura mountains.

Translated by Google •

Tip by

8

29.6 km

Branveau Pass

Highlight • Mountain Pass

30.6 km

Viewpoint

Viewpoint

B

44.5 km

End point

Bus stop

Loading

Way Types & Surfaces

Way Types

21.3 km

14.3 km

7.30 km

1.67 km

Surfaces

22.4 km

5.79 km

5.48 km

5.39 km

3.50 km

1.91 km

< 100 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 (1,660 m)

Lowest point (490 m)

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Weather

Powered by Foreca

Sunday 8 November

13°C

7°C

23 %

Additional weather tips

Max wind speed: 8.0 km/h

to get more detailed weather forecasts along your route

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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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