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France
Auvergne Rhône Alpes
Nantua

Belleydoux

The best MTB trails around Belleydoux

4.2

(94)

944

riders

97

rides

Mountain biking around Belleydoux, situated within the Haut-Jura Natural Regional Park, offers a diverse range of trails. The area is characterized by forests, pastures, and a mid-mountain environment, with terrain varying from undergrowth singles to challenging descents and climbs. This region provides access to an extensive network of mountain bike trails, featuring diverse landscapes typical of the Jura mountains.

Best mountain bike trails around Belleydoux

  • The most popular mountain bike trail is La borne au lion – La Roche Fauconnière…

Last updated: June 27, 2026

94

riders

#1.

La borne au lion – La Roche Fauconnière loop from Sous le Rosay

92.7km

09:02

2,480m

2,480m

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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Hard

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard
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Tips from the Community

Julien Harté
April 27, 2026, Giron

Nestled in pastures at an altitude of 1,000 meters, Giron is the highest (and sunniest!) village in the Ain. Welcoming, with breathtaking views, it is ideal for an overnight stop.

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Located in Saint-Germain-de-Joux, the Marmites de Géant (Giant's Cauldrons) were carved by the Semine river and its tributary the Combet. Gigantic cylindrical hollows, two to three meters deep, are connected by a few successive waterfalls.

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A chainsaw would be needed because there are many trees across the path.

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View from the bridge.

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suffer for beautiful landscapes and to feel good in one's body

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This boundary stone marked the border between Franche-Comté (north) and French Bugey (south). To the east, the Pays de Gex was separated by the Sardinian Corridor, in which the Spanish Way was located.

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Extraordinary panorama, ideal place for a break on the GTJ route, a picnic or even a stopover in a gîte (booking: https://refugelaconay.clubalpinbourgenbresse.fr/reservation/)

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Perfect covered campsite

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Frequently Asked Questions

How many mountain bike trails are available around Belleydoux?

Belleydoux, situated within the Haut-Jura Natural Regional Park, offers a wide selection of mountain bike trails. There are over 90 routes available, catering to various skill levels. The broader Ain department boasts approximately 1,500 km of marked trails, including around 100 routes and 10 enduro tracks.

What kind of terrain can I expect on mountain bike trails in Belleydoux?

The terrain around Belleydoux is diverse, typical of a mid-mountain environment. You'll find everything from undergrowth singles and forest tracks to challenging descents and climbs. Routes often traverse dense forests and 'combes pâturées' (grazing valleys), with altitudes ranging from 300 to 1,500 meters.

Are there any easy mountain bike trails suitable for beginners or families?

Yes, Belleydoux offers easy trails. For instance, the La Pesse – View of Les Roches d'Orvaz loop from Les Roches d'Orvaz is an easy 16.9 km route that can be completed in about 1 hour 13 minutes, leading through varied terrain.

What are some challenging mountain bike routes for experienced riders?

Experienced riders will find several difficult routes. The Crêt de Chalam – la borne au lion loop from Giron is a demanding 51.6 km path with significant elevation changes, taking approximately 5 hours 47 minutes. Another challenging option is the La borne au lion – La Roche Fauconnière loop from Giron, a 38.6 km trail with substantial climbs.

Are there any circular mountain bike routes in the Belleydoux area?

Yes, many routes in the Belleydoux area are circular. Examples include the La Roche Fauconnière – la borne au lion loop from Giron, a difficult 33.6 km route, and the moderate La Roche Fauconnière – Fauconnière Viewpoint loop from Giron, which is 16.9 km long.

What natural attractions or viewpoints can I see along the mountain bike trails?

The trails often lead to stunning natural features and viewpoints. You can find routes that offer views of the Crêt de Chalam, Plateau des Brûlats, and the Orvaz Rock. The region is also home to the beautiful Lake Genin and the Moulin de Vulvoz Waterfall.

What do other mountain bikers say about the trails in Belleydoux?

The mountain bike trails around Belleydoux are highly regarded by the komoot community, with an average rating of 4.3 stars from over 90 reviews. Riders often praise the varied terrain, dense forests, and the scenic viewpoints like Crêt de Chalam and Roches d'Orvaz.

Is there public transport available to access mountain biking trailheads in Belleydoux?

While Belleydoux is nestled in a natural park, public transport options directly to specific trailheads might be limited. It's advisable to check local bus schedules or consider driving to access the starting points of the routes.

Are there specific parking areas for mountain bikers in Belleydoux?

Parking is generally available in and around Belleydoux, particularly in villages like Giron which serve as common starting points for many routes. Look for designated parking areas near trailheads or in village centers.

What is the best time of year to go mountain biking in Belleydoux?

The best time for mountain biking in Belleydoux is typically from spring through autumn. During these seasons, the weather is generally favorable, and the trails are clear of snow, offering optimal conditions to enjoy the diverse landscapes of the Haut-Jura Natural Regional Park.

Are there any local attractions or places to explore near the mountain bike trails?

Beyond the trails, you can explore the local culture. The Fromagerie du Haut-Jura is a notable attraction where you can learn about regional cheese production, including Comté and Bleu de Gex Haut-Jura AOP. The village itself offers a charming mid-mountain environment.

Can I find information on mountain biking in the wider Ain department?

Yes, the Ain department, where Belleydoux is located, is a significant mountain biking destination. You can find more information about the extensive network of trails, including the "Espace VTT-FFC Ain Forestière," on the Ain Tourism website: ain-tourisme.com.

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