4.3
(335)
2,790
riders
188
rides
Mountain bike trails around Thoiry, located in the Ain department of France within the Pays de Gex region, offer diverse landscapes for outdoor activities. The area features varied terrain, from forest trails to open paths, set against the backdrop of the Jura Mountains and distant Alpine views. Riders can expect routes with significant elevation gains, providing a range of challenges. The region's natural features include extensive forest trails suitable for mountain biking.
Last updated: May 4, 2026
4.0
(5)
18
riders
31.0km
02:43
710m
710m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
9
riders
18.6km
02:40
930m
940m
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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4.0
(2)
12
riders
12.3km
01:23
440m
450m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
1
riders
25.0km
03:48
1,450m
1,450m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
8
riders
19.3km
02:21
720m
720m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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Slow climb, be careful of the temperature difference
1
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Great, remember to take something to cover yourself with depending on the time of year…. Climbed in April, there was still snow at altitude. The descent was cool
1
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Please note: Col de Plainpalais and the descent to Le Noyer are not possible between May 14 and 17. The road is currently being completely resurfaced. The road surface will be even better.
1
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In winter as in summer, admire the landscapes from one of the seats provided. In winter, planchas are available nearby and lit for your grills at lunchtime in winter when the resort is open.
1
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Vertiginous belvedere with a view of Lake Bourget if you are lucky with the weather!
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Mont Revard Belvedere, arrival of the Mont Revard climb, located at an altitude of 1538 meters.
1
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Beautiful view of the Margériaz cliff and Lake Bourget on the other side!!
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0
Beautiful climb through the UNESCO geopark of the Bauges massif
1
0
Mountain biking in Thoiry offers a diverse range of terrain. You'll find a mix of forest trails and open paths, set against the stunning backdrop of the Jura Mountains and distant Alpine views. The area features varied landscapes, providing different riding experiences.
Yes, Thoiry offers several challenging routes with significant elevation gains, some exceeding 3,000 feet. For example, the Ferme des résistants – Camelot Gorge loop from Saint-Jean-d'Arvey is a difficult trail with over 1,400 meters of ascent, taking nearly 5 hours to complete.
While Thoiry is known for its challenging routes, there are also options for moderate rides. The Coche Pass loop from Barby is a moderate 24.6 km path that offers a balanced ride through natural landscapes with rewarding views, suitable for those looking for a less strenuous experience.
Thoiry's location in the Pays de Gex provides breathtaking panoramic views of Geneva and the majestic Alps. You'll ride through extensive forest trails and open paths, allowing you to admire the vast scenery stretching from Geneva to the Alpine peaks and serene lakes. Some routes, like the Cascade de la Doriaz – Passerelle de Lovettaz loop from Barby, also lead through varied natural landscapes.
Yes, the region around Thoiry offers several interesting landmarks and viewpoints. You can find mountain passes such as Marocaz Pass, Col du Frêne (950 m), and Plainpalais Pass. Additionally, you might encounter summits like Nivolet Cross and Mount Revard, offering stunning vistas.
Yes, Thoiry in Pays de Gex boasts a pumptrack. This facility is an ideal playground for cyclists of all skill levels, from beginners to experienced riders, to experiment with bumps, banked turns, and other modules. It's a great place to develop skills, endurance, and coordination in a safe environment.
The best time for mountain biking in Thoiry generally aligns with the warmer months when trails are clear of snow and mud. While specific seasons aren't detailed, the region's diverse terrain and forest trails are typically most enjoyable from spring through autumn. Always check local weather conditions before heading out.
Many of the mountain bike trails in Thoiry are designed as loops, offering circular routes that bring you back to your starting point. Examples include the Marocaz Pass – Lake La Thuile loop from Chartreuse d'Aillon, which is a difficult 28.9 km route, and the Sciaz Pass – Praz Gelaz Chalets loop from Chartreuse d'Aillon, another challenging option.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 350 reviews. Reviewers often praise the diverse landscapes, the stunning Jura mountain backdrops, and the varied terrain that offers options for different ability levels, from moderate rides to challenging routes.
There are over 180 mountain bike trails available around Thoiry, catering to a wide range of skill levels. This includes approximately 25 easy routes, 70 moderate routes, and nearly 90 difficult routes, ensuring there's something for every mountain biker.
While specific parking locations for every trailhead are not detailed, the region is well-equipped for outdoor activities. Many popular starting points for trails, especially those leading to prominent peaks or known loops, typically have designated parking areas. It's advisable to check the specific route details on komoot for parking information related to your chosen trail.


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