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Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Gex
Péron

Allondon River – Chazuet Caves loop from Péron

Routes
Mountain biking trails
France
Auvergne Rhône Alpes
Gex
Péron

Allondon River – Chazuet Caves loop from Péron

Moderate

5.0

(2)

7

riders

Allondon River – Chazuet Caves loop from Péron

02:19

29.1km

420m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: March 27, 2026

Tips

Includes a segment in which cycling is not permitted

After 5.31 km for 148 m

Waypoints

A

Start point

Bus stop

Get Directions

1

8.25 km

La Roulave Bitumen Caves

Highlight • Cave

French:
A very easy to access path, all through the undergrowth, passes small caves revealing layers impregnated with bitumen, formerly exploited, but now abandoned.

English:
A very easy access path, …

Translated by Google •

Tip by

2

9.54 km

flowy

Tip by

3

10.8 km

View of the Vineyards

Highlight • Viewpoint

4

11.6 km

The Vallon de l’Allondon Nature Center is an educational center, offering fun activities to discover nature. The Center is located in the middle of a rich natural site, on the banks of the Allondon.

Translated by Google •

Tip by

5

11.8 km

Allondon River

Highlight • River

Beautiful spot in Switzerland very close from Thoiry in France. The river is accessible here.

Tip by

12.9 km

Grands Bois

Forest

17.6 km

Sources de l'Allemogne

Viewpoint

8

20.0 km

Chazuet Caves

Highlight • Gorge

Hidden gem. Cave hidden if you don't know about it. Tip: there is a little one on the other side further down, where you can get to a small hall going to a narrow passage :)

Tip by

9

20.4 km

Thoiry mountain bike trail

Highlight • MTB Park

Nice descent, watch out for the trees

Translated by Google •

Tip by

B

29.1 km

End point

Bus stop

Loading

Way Types & Surfaces

Way Types

11.1 km

7.53 km

7.53 km

2.94 km

< 100 m

Surfaces

13.2 km

6.77 km

5.34 km

3.41 km

293 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 (640 m)

Lowest point (390 m)

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Weather

Powered by Foreca

Thursday 21 May

25°C

8°C

0 %

Additional weather tips

Max wind speed: 8.0 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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