4.8
(3)
20
riders
4
rides
Gravel biking around Martignat offers routes through varied terrain characterized by lakes, valleys, and forested hills. The region features significant elevation changes, with routes often traversing alongside bodies of water like Lake Nantua and Lake Genin. Riders can expect a mix of forest paths and open sections, providing diverse cycling experiences. The landscape includes notable features such as the Cize Viaduct and views across the Ain Valley.
Last updated: July 5, 2026
4.5
(2)
13
riders
39.8km
02:48
760m
760m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
3
riders
34.0km
02:31
660m
660m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

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5.0
(1)
2
riders
30.8km
02:14
760m
760m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
40.7km
02:52
770m
770m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The ruin is very beautiful, panels indicate the history of the site, very instructive! Calm and relaxing, the site offers a magnificent setting and allows for nice picnic breaks!
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The Lac de Nantua is a superb body of water of 141 hectares. In the heart of the Jura, it offers an ideal setting for practicing a multitude of sports. It is even possible to swim in its waters.
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The Peney viewpoint overlooks Lake Sylans, on which it offers a beautiful view. Classified since 1909, one can distinguish on its banks the ruins of the old ice factories which commercialized the ice extracted from the lake until 1917. The passage is located at the level of the tunnel of the same name.
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The Marron ponds are named after a family from Brénod, it is not a reference to the color of the water. Only one of them remains filled with water all year round. This one served as a water reserve and fishing spot for the monks of the Meyriat abbey. In spring, a multitude of water lilies cover the surface.
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Pretty little lake in the heart of the small Jura mountains
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Beautiful, simple, easy walk; lots of traffic noise on the "road" section, a bit of a shame, but the color of the water is magical
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Unfortunately I was unlucky with the weather, but even as I drove past the place looked very nice, lots of grass and a place to swim.
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There are 8 gravel bike routes documented around Martignat on komoot. Most of these, 7 out of 8, are rated as difficult, offering a challenging experience for riders.
The terrain around Martignat is varied, featuring a mix of forested hills, valleys, and routes alongside lakes like Lake Nantua and Lake Genin. Riders should be prepared for significant elevation changes throughout the region.
Yes, Martignat offers several longer gravel routes. For example, the Cize Viaduct – Ain Valley loop from Matafelon-Granges is a challenging 38.1-mile (61.3 km) path, and the Lake Genin – Lake Nantua loop from Nurieux-Volognat covers approximately 38 miles (61.2 km).
Many routes offer scenic views. You can experience passages near the Cize Viaduct and views across the Ain Valley on routes like the Cize Viaduct – Ain Valley loop. Other highlights include views over Lake Nantua and the Jarbonnet Rocks.
Yes, many of the gravel routes around Martignat are designed as loops. Popular circular options include the Lake Nantua – View of Lake Nantua loop from Le Chateau and the Lake Genin – Lake Genin loop from Oyonnax.
The duration varies depending on the route's length and difficulty. For instance, the Lake Nantua – Lac de Nantua loop from Brion - Montréal-la-Cluse typically takes around 3 hours 3 minutes, while the Lake Genin – Lake Genin loop from Oyonnax can be completed in about 2 hours 13 minutes.
The gravel biking routes in Martignat are highly regarded by the komoot community, holding an average rating of 4.7 stars from over 4 reviews. Riders often praise the diverse landscapes, including the beautiful lakes and challenging elevation gains.
Most of the documented gravel routes around Martignat are rated as difficult due to significant elevation changes. While there is one moderate route, true beginner or family-friendly options specifically for gravel biking might be limited. It's advisable to check individual route profiles for detailed difficulty assessments.
The region's varied terrain, including forested areas and lakes, makes spring and autumn particularly appealing for gravel biking, offering pleasant temperatures and vibrant scenery. Summer can also be good, but be mindful of warmer temperatures, especially on routes with less shade.
Yes, several routes incorporate multiple bodies of water. The Lake Genin – Lake Nantua loop from Nurieux-Volognat is a prime example, connecting two of the region's prominent lakes.
Gravel biking in Martignat is characterized by its stunning natural features, including the serene Lake Nantua, the picturesque Lake Genin, and the expansive Ain Valley. The routes often weave through dense forests and offer panoramic views from elevated sections.


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