4.3
(376)
2,686
riders
214
rides
Mountain biking around Gex offers diverse terrain at the foot of the Jura Mountains, providing varied topography for outdoor pursuits. The region features significant elevation changes and a network of trails suitable for different skill levels. Its landscape includes areas like Mont Mourex and cliffside traversals, contributing to a dynamic riding experience. This mountainous environment provides the necessary features for challenging and scenic mountain bike trails.
Last updated: June 26, 2026
4.5
(19)
105
riders
23.4km
02:18
500m
500m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
3.7
(19)
81
riders
20.8km
02:01
430m
430m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Sign up for free
4.4
(17)
119
riders
63.2km
05:39
1,720m
1,720m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
5.0
(4)
29
riders
30.6km
03:21
1,100m
1,100m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
4.0
(6)
43
riders
32.1km
04:15
1,590m
1,590m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
56
riders
14.5km
01:32
540m
540m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.4
(8)
44
riders
30.0km
02:38
790m
800m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.6
(5)
31
riders
43.7km
03:13
520m
520m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.6
(15)
129
riders
23.0km
02:25
870m
860m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
3.7
(3)
40
riders
24.3km
01:21
150m
150m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Popular around Gex
The Grande source and its streams gush out in a small wood at the foot of Mont-Mussy. They form the main source of La Divonne, a 22 km long river, which flows into Lake Geneva, in Switzerland, at Versoix.
0
0
The greenway connecting Gex to Divonne-les-Bains is an easy and pleasant developed route that crosses the green landscapes between the Jura mountains and Lake Geneva. In Divonne, several routes provide easy access to its lake, as well as the mountain bike trails of Mont Mourex, which are very popular with nature and thrill-seekers.
0
0
The Chemin des Druides is a forest trail in the heart of the Jura. It captivates with its bucolic atmosphere and natural landscapes, offering a pleasant walk between nature and legends.
0
0
Located in the Pays de Gex, east of the Ain department, the Château de Vesancy is an elegant residence surrounded by a wooded park. It offers a peaceful setting steeped in history, typical of the region's castles.
0
0
One of the most beautiful viewpoints over the Alps that I know! Access from the Col de la Faucille is quite simple.
0
0
A magnificent forest loop. Suitable for all levels, with 200m/20km of really technical sections - easily done on foot.
0
0
magnificent view of Lake Geneva, Salève and Mont Blanc
0
0
There are nearly 200 mountain bike trails around Gex, offering a wide range of options for all skill levels. This includes 39 easy routes, 118 moderate routes, and 40 difficult trails, ensuring there's something for every rider.
The Gex region, situated at the foot of the Jura Mountains, offers diverse terrain. You'll find everything from easy green runs and machine-groomed trails to more technical singletracks, downhill sections, and routes with significant elevation changes. Expect elements like berms, jumps, drops, rock gardens, and bridges on some trails, providing a dynamic riding experience.
Yes, Gex offers several options suitable for families or those looking for an easier ride. The region has 39 easy-rated trails. While specific family-designated routes aren't detailed, trails like the 'Voie verte Grilly-Gex' are known for being green difficulty and machine-groomed, making them suitable for various skill levels, including families.
Absolutely. Many trails in Gex offer elevated viewpoints and panoramic vistas, particularly those in the Mont Mourex area. For example, the Les Rochassons trail – View from Mont Mourex loop from Gex is known for its views from Mont Mourex. Another challenging option with potential views is the Return to Gex by bike – View of Mont Blanc loop from Divonne-les-Bains, which can offer glimpses of Mont Blanc on clear days.
The mountain bike trails in Gex are highly rated by the komoot community, with an average score of 4.3 stars from over 300 reviews. Riders often praise the varied topography, the challenging nature of some singletracks, and the scenic beauty of the Jura Mountain foothills. The dynamic riding experience, featuring elements like berms and jumps, is also frequently highlighted.
Yes, many of the mountain bike routes around Gex are designed as loops, allowing you to start and finish in the same location. Examples include the popular Les Rochassons trail – View from Mont Mourex loop from Gex, or the more challenging Fierney – Crozet Pass loop from Ségny.
For advanced riders seeking a challenge, Gex offers 40 difficult-rated trails. Notable options include the Fierney – Crozet Pass loop from Ségny, which is a substantial 63 km route with significant elevation gain. Another demanding trail is the Crozet Pass – Fierney loop from Échenevex, featuring over 1700 meters of ascent.
The Gex region, being at the foot of the Jura Mountains, is rich in natural features. You can explore various summits and mountain passes. Notable attractions include the Grand Montrond, Crêt de la Neige, and Le Reculet Summit. Mountain passes like Col de la Faucille (1323 m) and Crozet Pass also offer scenic points of interest.
Yes, the Gex region is known for some downhill-focused trails. The 'Variante DH - Enduro Disse' is specifically mentioned as a downhill-focused option. Additionally, the Fierney – The Paco downhill mountain bike track loop from Crozet incorporates a dedicated downhill track, offering an exhilarating experience for riders.
The duration of mountain bike trails in Gex varies significantly depending on their length and difficulty. Shorter, moderate loops like the Mountainbike loop from Échenevex (14.5 km) can be completed in about 1 hour 32 minutes. Longer, more difficult routes, such as the Fierney – Crozet Pass loop from Ségny (63 km), can take over 5 hours.
While specific seasonal recommendations are not detailed, the region's mountainous nature suggests that spring through autumn would generally offer the best conditions for mountain biking. During these seasons, trails are typically free of snow and ice, and the weather is more conducive to outdoor activities. Winter mountain biking might be possible on lower elevation trails, but higher routes in the Jura Mountains would likely be impacted by snow.


Check out more MTB trails throughout Gex below and find the perfect route in your destination.
Browse the best MTB trails in other regions.