4.8
(3)
20
riders
4
rides
Gravel biking around Groissiat offers diverse terrain within France's Auvergne-Rhône-Alpes region, characterized by extensive forests, rivers, and lakes. The area features a network of paths suitable for gravel bikes, blending paved and unpaved surfaces. The landscape includes the Bugey Mountains, providing varied elevation and scenic views, alongside tranquil lakes like Lac de Nantua and Lac Genin. This region provides a mix of smooth sections and more challenging paths for gravel cyclists.
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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The Groissiat area offers a diverse mix of terrain, ideal for gravel biking. You'll find a blend of paved and unpaved surfaces, including paths through rich forests, alongside rivers, and around scenic lakes. The region is part of the Bugey Mountains, so expect rolling hills and varied elevation, from smoother greenways to more challenging, rugged sections.
While many routes in the Groissiat area are rated as difficult, the region does offer paths suitable for different skill levels. The "Lange greenway," connecting Oyonnax to Nantua, is known for its smooth surface and minimal elevation changes, making it a good option for those seeking an easier ride. For more challenging routes, you can explore options like the Lake Nantua – Lac de Nantua loop from Brion - Montréal-la-Cluse, which is rated difficult.
Groissiat's gravel bike trails are rich with natural beauty. You can cycle around stunning bodies of water like Lake Nantua and Lake Genin. Many routes also wind through dense forests, where you might discover hidden cascades, such as the local Cascade de la Pisse Vache, or unique geological formations. The Cize Viaduct – Ain Valley loop from Matafelon-Granges offers views of the impressive Cize Viaduct and the Ain Valley.
Yes, many of the gravel bike routes around Groissiat are designed as loops, allowing you to start and finish in the same location. Examples include the Lake Nantua – Lac de Nantua loop from Brion - Montréal-la-Cluse, which circles Lake Nantua, and the Lake Genin – Lake Genin loop from Oyonnax. These circular routes are great for exploring the diverse landscapes without needing a return trip.
The gravel biking routes around Groissiat are highly rated by the komoot community, with an average score of 4.7 stars. Over 40 gravel bikers have explored the area using komoot, often praising the varied terrain, scenic lakes, and the extensive network of paths that blend paved and unpaved surfaces.
Yes, the region offers several longer gravel bike routes. For instance, the Cize Viaduct – Ain Valley loop from Matafelon-Granges covers over 61 kilometers, exploring the Ain Valley. Another substantial option is the Lake Genin – Lake Nantua loop from Nurieux-Volognat, which is also over 61 kilometers and connects two beautiful lakes.
Beyond Groissiat itself, the broader Bugey region, where Groissiat is located, is well-regarded for cycling. It features routes on roads with light traffic, making for pleasant, car-free environments. The area is increasingly recognized as a "gravel bike heaven" due to its extensive VTT (mountain biking) trails that are also suitable for gravel bikes, particularly those featuring cascades and rivers in its forests.
The diverse landscapes of Groissiat, with its forests, rivers, and lakes, make it enjoyable across multiple seasons. While specific recommendations depend on personal preference for weather, spring and autumn generally offer pleasant temperatures and vibrant scenery. The region's varied terrain ensures an engaging experience throughout much of the year.
Yes, in addition to the stunning natural landscapes, you can find historical points of interest. For example, the Oliferne Castle Ruins offer a glimpse into the region's past. The area also features unique geological formations like the Grotte de Corveissiat, providing a mix of natural and historical exploration.
There are approximately 8 gravel bike routes available around Groissiat, ranging from moderate to difficult in intensity. These routes offer a variety of experiences, from lakeside loops to explorations of the Ain Valley and forested areas.
Given Groissiat's location within the Haut-Bugey area and its mountainous terrain, many routes offer rewarding panoramic views. The rolling hills and varied elevations provide opportunities for scenic vistas, especially on trails that climb higher into the Bugey Mountains. The Lake Nantua – View of Lake Nantua loop from Le Chateau, for instance, is known for its views of Lac de Nantua.


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