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Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Grenoble
Le Bourg-D'Oisans

Lake Fourchu – Oulles loop from Petit Vernay

Hard

3.5

(2)

45

riders

Lake Fourchu – Oulles loop from Petit Vernay

05:53

41.2km

2,070m

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: August 1, 2026

Tips

Includes very steep uphill segments

You may need to push your bike.

After 8.17 km for 199 m

After 12.4 km for 1.65 km

After 16.9 km for 108 m

Waypoints

A

Start point

Bus stop

Get Directions
1

3.08 km

Bridge over the Lignarre

Highlight • Other

This pretty wooden bridge allows you to cross the Lignarre, a river which crisscrosses the Écrins National Park. Nearby, you can enjoy beautiful waterfalls.

Translated by Google •

Tip by

3.71 km

La Lignarre

Lake

3

16.7 km

Lake Fourchu

Highlight • Lake

A regular visit for locals from Grenoble, the grassy plateaus give way to rocky peaks and what is essentially very welcoming Scottish moorland can feel more alpine due to views of the Oisans massif in the distance and the Rocher Culasson and Grand Galbert.

Translated by Google •

Tip by

4

18.8 km

Ride in the Alps

Highlight (Segment) • Other

5

35.1 km

Oulles

Highlight • Other

Oulles, a hamlet perched at the end of this dizzying road.

Wild Oisans.

Translated by Google •

Tip by

B

41.2 km

End point

Bus stop

Loading

Way Types & Surfaces

Way Types

15.3 km

12.7 km

11.3 km

1.51 km

309 m

< 100 m

Surfaces

14.4 km

9.29 km

6.60 km

6.54 km

4.21 km

< 100 m

< 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 (2,090 m)

Lowest point (710 m)

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Weather

Powered by Foreca

Saturday 17 October

13°C

7°C

94 %

Additional weather tips

Max wind speed: 4.0 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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