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Mountain biking trails

Auvergne Rhône Alpes

Saint-Agnan-En-Vercors

Col de Rousset Pass and Tunnel – Col de Chironne loop from Col de Rousset

Mountain biking trails

Auvergne Rhône Alpes

Saint-Agnan-En-Vercors

Col de Rousset Pass and Tunnel – Col de Chironne loop from Col de Rousset

Hard

5.0

(1)

1

riders

Col de Rousset Pass and Tunnel – Col de Chironne loop from Col de Rousset

02:30

24.7km

590m

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 right next to a parking lot.

Last updated: August 18, 2026

Tips

Includes very steep uphill segments

You may need to push your bike.

After 3.40 km for 160 m

After 20.6 km for 314 m

Waypoints

A

Start point

Parking

1

974 m

Col de Rousset Pass and Tunnel

Highlight • Mountain Pass

This pass with an altitude of 1,254 meters is exceptional in more than one way! It is one of the gateways to the Vercors plateau. The Tour de France has …

Translated by Google •

Tip by

2

3.08 km

Chironne Pass - 1,416 m

Highlight • Other

3

3.27 km

Col de Chironne

Highlight • Mountain Pass

4

5.96 km

Aiglette Summit

Highlight • Summit

Great descent down to the pass. Slightly exposed and impressively deep views of the valley.

Translated by Google •

Tip by

5

6.04 km

Start at the Aiglette hill at Col de Vassieux

Highlight (Segment) • Other

6

7.10 km

View from Col de Vassieux

Highlight • Viewpoint

From the Col de Vassieux saddle, your view extends almost to infinity: in front of you, at the foot of the mountain, you can see the villages of Marignac-en-Diois and …

Translated by Google •

Tip by

7

20.9 km

St. Alexis Pass

Highlight • Mountain Pass

Small pass in the Vercors between Vassieux-en-Vercors and the Col de Rousset.
Unfortunately, the pass sign is no longer there, only a little higher up the trail.

Translated by Google •

Tip by

B

24.7 km

End point

Parking

Way Types & Surfaces

Way Types

12.2 km

9.50 km

2.84 km

195 m

< 100 m

Surfaces

8.86 km

5.29 km

4.40 km

3.23 km

2.53 km

243 m

187 m

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Elevation

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

Highest point (1,530 m)

Lowest point (1,070 m)

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Weather

Powered by Foreca

Wednesday 4 November

10°C

4°C

39 %

Additional weather tips

There’s a fairly high chance of rain. Consider packing a waterproof jacket.

to get more detailed weather forecasts along your route

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