4.4
(349)
3,006
riders
150
rides
Mountain bike trails around Ontex offer a diverse range of riding experiences. The area features varied terrain, including routes with significant elevation gain and descents. Mountain biking in Ontex often involves navigating through forested areas and open landscapes, providing different challenges for riders. The region's topography supports both moderate and difficult mountain bike trails.
Last updated: May 15, 2026
4.6
(34)
373
riders
58.4km
04:41
1,220m
1,220m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.6
(7)
45
riders
28.3km
03:58
1,160m
1,160m
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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4.6
(7)
47
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
3.0
(2)
15
riders
27.8km
02:34
550m
550m
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
(4)
14
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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It's a must-see place with a magnificent view of Lake Bourget.
1
0
The climb from Jongieux le Haut is still very pleasant, and at the chapel you are rewarded with a beautiful panoramic view. The descent to Yenn can be very slippery in rainy weather; a warning sign is posted along the descent.
5
0
Beautifully situated chapel with a wonderful view
2
0
The sunset is beautiful
0
0
Very pretty viewpoints along the gorges up to Lac du Bourget
0
0
There are over 130 mountain bike trails available around Ontex, offering a wide range of options for different skill levels. You'll find 25 easy routes, 61 moderate routes, and 50 difficult routes to explore.
Mountain biking around Ontex features diverse terrain, including routes with significant elevation gain and descents. You'll often navigate through forested areas and open landscapes, with challenging ascents and sections offering views of surrounding natural features. The region's topography supports both moderate and difficult trails.
Yes, among the 130+ routes, there are 25 trails classified as easy, which are generally more suitable for families or beginners. These routes typically have less elevation gain and are shorter in distance, providing a more relaxed riding experience.
Many routes offer scenic views, particularly of the surrounding natural features. For example, the View of Lake Bourget – Hafenblick 🐒 loop from La Chapelle-du-Mont-du-Chat provides stunning vistas of Lake Bourget. You can also find highlights like Mont du Chat lookout (1504 m) and Lake Bourget itself, which are often accessible or visible from various trails.
Yes, the area around Ontex features several mountain passes that can be incorporated into your rides. Notable passes include Col du Chat (638 m) and Chambotte Pass. Routes like the Jongieux Vineyards Crossing – Col du Chat (638 m) loop from Jongieux specifically include these challenging climbs.
The mountain bike trails around Ontex are highly rated by the komoot community, with an average score of 4.4 stars from over 370 reviews. Many riders praise the varied terrain, challenging ascents, and the scenic beauty of the forested sections and lake views.
Yes, many of the mountain bike routes around Ontex are designed as loops. Examples include the View of Lake Bourget – Hafenblick 🐒 loop from La Chapelle-du-Mont-du-Chat, the Jongieux Vineyards Crossing – Col du Chat (638 m) loop from Jongieux, and the Butte Saint-Romain and Chapel – Jongieux Vineyards Crossing loop from Massignieu-de-Rives, offering convenient circular routes.
Trail durations and elevation gains vary significantly. For instance, a moderate route like the Butte Saint-Romain and Chapel – Jongieux Vineyards Crossing loop from Massignieu-de-Rives is about 35.3 km with 623 meters of elevation gain, taking around 3 hours. More difficult routes, such as the View of Lake Bourget – Hafenblick 🐒 loop from La Chapelle-du-Mont-du-Chat, can be 58.4 km with over 1,200 meters of climbing, requiring about 4 hours and 40 minutes.
Yes, some routes traverse scenic agricultural landscapes. The Jongieux Vineyards Crossing – Col du Chat (638 m) loop from Jongieux is a prime example, leading through beautiful vineyard landscapes and offering a unique riding experience.
Absolutely. The region is known for its proximity to water bodies. The View of Lake Bourget – Hafenblick 🐒 loop from La Chapelle-du-Mont-du-Chat offers views of Lake Bourget. Another route, the Lake Lit au Roi – The Via Rhôna near Belley loop from Massignieu-de-Rives, passes by Lake Lit au Roi.
Advanced mountain bikers will find 50 difficult routes around Ontex. These trails typically feature significant elevation gains, technical descents, and longer distances. The Chambotte Pass – Lake view loop from Sous la Tour, with nearly 940 meters of climbing over 30.6 km, is a good example of a challenging option.


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