4.5
(200)
8,521
runners
525
runs
Jogging around Gex offers diverse terrain within the Pays de Gex and at the foot of the Monts Jura. The region features an extensive network of trails through the Jura Mountains and the Haut-Jura Regional Natural Park. Runners can find routes along river valleys, through dense forests, and up to viewpoints offering panoramas of Lake Geneva and Mont Blanc. The landscape provides varied options, from gentle paths to challenging ascents.
Last updated: May 10, 2026
4.7
(6)
155
runners
8.33km
01:04
180m
180m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
41
runners
5.34km
00:43
170m
170m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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10
runners
Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
3.0
(1)
271
runners
10.8km
02:26
1,110m
1,110m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4.5
(2)
215
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
178
runners
14.9km
02:01
640m
630m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.3
(3)
159
runners
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
113
runners
31.2km
04:38
1,600m
1,600m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4.5
(4)
123
runners
6.59km
00:41
40m
40m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
148
runners
14.1km
01:30
150m
150m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Gex
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Summit in the forest, ideal for taking a break
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Very beautiful 360° view with the added bonus of Mont Blanc when the weather permits
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A nice discovery, which combines knowledge and the beauty of nature.
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Super beautiful summit with a wonderful view! The climb is definitely worth it!
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If you turn around on this very beautiful dirt road, you can faintly see the village of Léaz which you have just left.
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Even though the public no longer has direct access to the experiments at the Large Hadron Collider (LHC), we found the visit to CERN extremely interesting. During the tour we booked, we were captivated by the lively explanations of a British scientist who was involved in the discovery of the Higgs boson and therefore had authentic information to offer. In addition to the well-designed museum, we even got a glimpse into the control room of the Atlas experiment. Conclusion: a very interesting excursion for those interested in science!
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A renowned institution that conducts experiments on nuclear particles. The colliders are located in France and Switzerland and physicists from many countries work here. The museum is free to visit.
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The Gex region offers an extensive network of over 500 running routes. These trails traverse the diverse landscapes of the Pays de Gex and the Monts Jura, providing options for all levels of runners.
You can expect a wide variety of terrain, from gentle forest paths and river valley trails to more challenging mountain runs with significant elevation gains. The region's landscape includes parts of the Jura Mountains and the Haut-Jura Regional Natural Park, offering everything from smooth surfaces to rugged mountain paths.
Yes, Gex provides numerous options for beginners and those seeking an easier run. There are over 50 routes classified as easy, often found on forest trails or less strenuous paths. For example, the Running loop from Saint-Genis-Pouilly offers a moderate, relatively flat experience.
Many routes in the higher elevations of Pays de Gex provide spectacular views. Trails around the Monts Jura, such as those leading to the Turet viewpoint, often boast inspiring panoramas of Lake Geneva and the majestic Mont Blanc. More challenging routes like the Crêt de la Neige loop from Lélex also offer incredible vistas.
Yes, many of the running routes in Gex are designed as loops, allowing you to start and finish at the same point. Popular circular options include the Mount Mourex loop and the Lac de Divonne – East Side of Lake Divonne loop, which is a great option for a flatter run.
Running in Gex allows you to explore diverse natural features. You can run through dense forests, along river valleys like the Valserine, and discover unique geological formations such as the Losses of the Valserine. The region is also home to significant peaks like Crêt de la Neige and Le Reculet, offering challenging routes and stunning alpine scenery.
Yes, several routes pass by interesting landmarks and natural attractions. For instance, you can run near Lac de Divonne or enjoy views of Lake Geneva from Combe Blanche. Some trails also lead past charming huts like Refuge de la Loge or unique features like Wooden Sculptures by Adrien Meneau.
Many trails in Gex are suitable for families, especially the easier, flatter routes found in forest areas or around lakes. These paths offer a pleasant environment for a family jog or walk. Always check the route's difficulty and elevation profile to ensure it matches your family's fitness level.
Gex offers year-round opportunities for running. Spring and autumn provide pleasant temperatures and beautiful scenery with changing foliage. Summer is ideal for higher-altitude trails, offering cooler air and expansive views. Even in winter, some lower-elevation trails remain accessible, though higher mountain routes may require snowshoes or specific winter gear.
While many routes are best accessed by car, some starting points in towns like Saint-Genis-Pouilly or Divonne-les-Bains may be reachable via local public transport. It's advisable to check local bus schedules and routes to plan your access to specific trailheads.
The running routes in Gex are highly rated by the komoot community, with an average score of 4.5 stars from over 180 reviews. Runners often praise the diverse and unspoiled natural landscapes, the breathtaking panoramas of the Alps and Mont Blanc, and the extensive network of well-maintained trails that cater to all fitness levels.
Absolutely. For experienced runners seeking a challenge, Gex offers several difficult routes with significant elevation gains. Trails like the Le Reculet loop from Thoiry or the The Titans-sur-Rhône Viaduct loop provide demanding ascents and descents, often rewarding runners with incredible views from the Monts Jura peaks.


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