4.3
(18)
149
riders
23
rides
Gravel biking around Ontex offers routes through a diverse landscape characterized by the proximity of Lac du Bourget and mountainous terrain. The region features a mix of lakeside paths, forest tracks, and unpaved roads leading to scenic viewpoints. These routes often include varied elevation, from gentle gradients along the lake to climbs towards features like Mont Revard and the Belvédère de la Chambotte. The terrain provides a range of surfaces suitable for gravel cyclists.
Last updated: May 22, 2026
10
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
12
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(2)
32
riders
52.5km
02:58
190m
190m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
9
riders
27.4km
01:57
230m
230m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
15
riders
37.1km
02:16
240m
240m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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A beautiful section along the Rhone.
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A very beautiful stretch along the ViaRhôna!
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Be careful when going through the tunnel, you don't necessarily see the other bikes, otherwise the scenery is very pleasant.
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Great atmosphere in this charming little village.
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Superb tunnel in the rock on the ViaRhôna
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Very nice cyclist bridge over the Rhône. It could become slippery in icy and wet conditions.
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The four-kilometer-long canal serves as a natural outlet for the waters of Lake Bourget toward the Rhône, and vice versa when the river is in flood. Over the years, it has been widened, rectified, and cleaned to improve the passage of commercial and passenger ships. In the last century, this was an important trade route.
5
0
The Ontex region offers a diverse landscape for gravel biking, characterized by its proximity to Lac du Bourget and surrounding mountainous areas. You'll encounter a mix of lakeside paths, forest tracks, and unpaved roads. Routes often feature varied elevation, from gentle gradients along the lake to climbs towards panoramic viewpoints like the Belvédère de la Chambotte and Mont Revard, providing a rewarding challenge for gravel cyclists.
Yes, while many routes in Ontex are challenging, there are options for less experienced riders. The area features 15 moderate routes that offer a good introduction to gravel biking without overly demanding climbs. For example, the Savière Canal – Savière Canal loop from Massignieu-de-Rives is a moderate 29 km trail that provides a taste of the region's beauty.
Many routes in Ontex offer stunning views, particularly those that ascend to viewpoints overlooking Lac du Bourget. The region is known for its dramatic vistas, including the Belvédère d'Ontex and the Belvédère de la Chambotte, which offer breathtaking panoramas. Routes through the Jongieux vineyards also provide picturesque scenery. Consider the Canal de Savières Road – Chambotte Pass loop from Saint-Jean-de-Chevelu for a challenging ride with rewarding views.
Yes, many of the gravel bike trails in Ontex are designed as loops, allowing you to start and finish at the same point. This is ideal for exploring the diverse landscapes without needing a shuttle. Examples include the Jongieux Vineyards Crossing – Jongieux vineyard loop from Saint-Jean-de-Chevelu and the Lake Lit au Roi – Savière Canal loop from Massignieu-de-Rives.
The Ontex region is rich in natural beauty. Along your rides, you might encounter highlights such as the mysterious Fairies' Cave, the serene Lake Barterand, or the impressive Rochetaillée Passage. For panoramic views, the Pierre Nioule – View of Lake Bourget and Aix-les-Bains is a must-see.
Absolutely. The region surrounding Ontex features several mountain passes that are popular with cyclists and can be incorporated into gravel routes. You can challenge yourself on passes like Col du Chat (638 m), Chambotte Pass, or Col du Clergeon. These offer significant climbs and often lead to spectacular viewpoints.
The gravel biking routes in Ontex are highly regarded by the komoot community, with an average score of 4.4 stars from over 40 reviews. Cyclists often praise the varied terrain, the stunning views of Lac du Bourget, and the mix of challenging climbs and scenic descents through vineyards and forests.
The length of gravel bike trails in Ontex varies significantly, catering to different preferences and fitness levels. You can find routes ranging from moderate loops of around 29 km, like the Savière Canal – Savière Canal loop, to more challenging and longer expeditions such as the Lake Lit au Roi – Savière Canal loop, which covers over 66 km.
Yes, Ontex is an excellent destination for advanced gravel bikers. The region boasts 24 difficult routes, many of which feature significant climbs and varied technical terrain. These trails often lead to high mountain passes and offer substantial elevation gains, providing a demanding and rewarding experience for seasoned riders.
Yes, the Jongieux vineyard area is a prominent feature of the landscape around Ontex and offers beautiful routes for gravel biking. You can explore trails that wind through these picturesque vineyards, combining scenic beauty with a unique cultural experience. The Jongieux Vineyards Crossing – Jongieux vineyard loop from Massignieu-de-Rives is a popular option for this.
There are nearly 40 gravel bike trails available for exploration in the Ontex region. This includes a good mix of difficulties, with 15 moderate routes and 24 more challenging options, ensuring there's something for every level of gravel cyclist.
The region around Ontex, with its mix of lake and mountain terrain, is generally best for gravel biking from spring through autumn. During these seasons, the weather is typically mild, and the trails are clear. While specific winter conditions can vary, some lower elevation or lakeside paths might be rideable, but higher mountain routes could be affected by snow or ice.


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