4.2
(269)
1,426
riders
141
rides
Mountain bike trails around Glay traverse a varied landscape characterized by rolling hills, scenic viewpoints, and diverse natural features. The region offers routes that climb to elevated positions, providing expansive vistas, and also includes paths through areas with unique geological interest. Mountain biking here involves navigating terrain with significant elevation changes, making it suitable for those seeking challenging ascents and descents.
Last updated: May 9, 2026
3.8
(10)
35
riders
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.5
(2)
18
riders
96.0km
09:38
2,440m
2,440m
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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4.2
(6)
17
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.5
(2)
19
riders
47.0km
03:55
960m
960m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
5.0
(1)
9
riders
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
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This bridge on the Transjurane Autoroute is constructed over the cycling path from Porrentruy to Fahy. The cycling path itself is in excellent condition on mainly flat surface.
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very beautiful course, varied and accessible.
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Great single trail. Not a soul found. Very lonely area.
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The Faux d'Enson observation tower is a 9 meter high concrete tower with metal stairs, built in 1989 by the Jura section of the Swiss Alpine Club. It is located at an altitude of 927 meters, at the summit of the Faux d'Enson mountain, which is part of the Mont-Terri range. From the tower, you enjoy a breathtaking view of the whole of Ajoie, as well as the border between France and Switzerland, marked by stone pillars. On a clear day, you can also see the Pays de Montbéliard, the Bernese Alps, the Vosges and the Black Forest. At the top of the tower, an orientation table allows you to identify landmarks on the horizon.
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Located in the town of Trévilliers, the Bois du Roy ponds are well known to fishermen. In the heart of the Franche-Comté forest, this place offers superb biodiversity.
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Magnificent view of the region by clear sky...
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There are over 140 mountain bike trails around Glay, offering a wide range of options for different skill levels. The network includes routes from easy to difficult, ensuring there's something for everyone.
Yes, Glay offers a few easy mountain bike trails. These routes are generally shorter and have less challenging terrain, making them ideal for those new to mountain biking or looking for a relaxed ride. You can find 3 easy routes in the area.
Mountain bike trails around Glay traverse a varied landscape characterized by rolling hills, scenic viewpoints, and diverse natural features. You'll encounter routes with significant elevation changes, offering challenging ascents and descents, as well as paths through areas of unique geological interest.
Yes, Glay is well-suited for advanced mountain bikers seeking long and challenging routes. For instance, the Mandeure Viewpoint – Saint-Hippolyte loop from Villars-lès-Blamont is a difficult 59.6-mile (95.9 km) path with extensive climbs and diverse scenery, offering a significant long-distance challenge.
Many mountain bike trails in Glay lead to rewarding viewpoints. The region is known for routes that climb to elevated positions, providing expansive vistas. For example, the Pont Sarrazin – Viewpoint of Vandoncourt loop from Hérimoncourt offers panoramic views after substantial elevation gain.
The mountain bike trails in Glay are highly rated by the komoot community, with an average score of 4.3 stars from over 260 reviews. Reviewers often praise the challenging climbs, rewarding viewpoints, and the diverse natural landscapes that define the region's routes.
Yes, Glay offers numerous circular mountain bike routes. Many trails are designed as loops, allowing you to start and finish at the same point. An example is the View of Haute Ajoie – Alpenblick Observation Tower loop from Hérimoncourt, which is a 28.1-mile (45.3 km) trail leading through varied terrain.
While mountain biking in Glay, you can explore several nearby attractions. Notable sites include the historic Château Peugeot, the serene Notre-Dame-du-Mont Chapel, and the unique Rochedanne rock shelter. For those interested in natural wonders, the Bisontin Cave is also accessible.
Absolutely. Glay features 47 moderate mountain bike trails, perfect for intermediate riders looking for a balance of challenge and enjoyment. These routes often include varied terrain and some elevation changes without being overly demanding. The Elevated Highway near Grenchen – Dinosaur Tracks of Pommerat loop from Grandfontaine is a moderate 16.6-mile (26.7 km) option.
The best time for mountain biking in Glay is typically during the spring, summer, and early autumn months. During these seasons, the weather is generally more favorable, with drier trails and pleasant temperatures, making for optimal riding conditions and clearer views.
Yes, the region around Glay is known for its geological interest, including several caves. Some trails may pass near or offer access to features like the Bisontin Cave or the Grotte de la Roche, providing an interesting diversion during your ride.


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