5.0
(1)
7
riders
2
rides
Gravel biking around Coisia features a landscape characterized by deep valleys, extensive forests, and the presence of several lakes, including Lac de Coiselet and Lac de Nantua. The terrain often includes varied surfaces, from forest tracks to quiet country roads, with notable elevation changes as routes navigate the Jura foothills. The region offers a mix of challenging climbs and scenic paths through natural environments.
Last updated: May 13, 2026
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
29.1km
02:06
490m
490m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3
riders
43.8km
03:10
980m
980m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Pretty little lake in the heart of the small Jura mountains
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Really quiet area, hardly any traffic.
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Recommended to everyone! As long as you don't ride with 32mm tires, this path is great. No difficulty and allows you to avoid the road on the other bank where road traffic is not negligible.
1
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Nice climb near the Ain, relatively little traffic here
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nice quiet climb. beautiful views over the adjacent lake towards the dam. climb is calf-friendly in percentage of gradient.
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0
Gravel biking around Coisia features a diverse landscape with deep valleys, extensive forests, and the presence of several lakes like Lac de Coiselet and Lac de Nantua. The terrain often includes varied surfaces, from forest tracks to quiet country roads, with notable elevation changes as routes navigate the Jura foothills.
While Coisia is known for its challenging routes, there is one moderate gravel bike trail available: the Lac de Nantua – Lake Nantua loop from Oyonnax. This route offers a good option for those looking for a less demanding ride compared to the more difficult options in the area.
The gravel bike routes in Coisia vary significantly in length and time. For instance, the Lake Genin – Lake Genin loop from Oyonnax is about 30.8 km (19.2 miles) and takes around 2 hours 13 minutes, while the View of Lac de Coiselet – Along Lake Coiselet loop from Condes stretches to 68.3 km (42.4 miles) and can take approximately 5 hours 30 minutes.
Yes, many of the gravel bike routes around Coisia are designed as loops. Examples include the popular Cize Viaduct – Ain Valley loop from Matafelon-Granges, the Lake Genin – Lake Genin loop from Oyonnax, and the View of Lac de Coiselet – Along Lake Coiselet loop from Condes, all offering scenic circular journeys.
The routes often provide extensive views across the Ain Valley and explore areas around lakes such as Lac de Coiselet and Lac de Nantua. You'll frequently encounter dense woodlands and rolling hills, characteristic of the Jura foothills.
Yes, the region around Coisia features beautiful waterfalls that can be explored. Notable natural monuments include the Cascade de la Pisse Vache and the Valouse Waterfall, offering picturesque stops during your ride.
Beyond the natural beauty, you can discover several historical and cultural landmarks. These include the Oliferne Castle Ruins, the Church of Saint-Hymetière, and the impressive Chartreuse de Sélignac.
Yes, for those interested in geological features, the Grotte de Corveissiat is a significant cave in the area. Another interesting spot is the Ox Cave, which is nestled within a forest.
The gravel biking routes in Coisia are highly rated by the komoot community, with an average score of 4.3 stars. Riders often praise the varied terrain, the scenic lake views, and the challenging nature of the trails through deep valleys and dense woodlands.
The longest gravel bike route in the area is the View of Lac de Coiselet – Along Lake Coiselet loop from Condes, which covers a distance of 68.3 km (42.4 miles).
Yes, for a more tranquil ride, consider the Quiet little road loop from Chartreuse du Val-Saint-Martin de Sélignac. This route is designed to take you along peaceful country roads, offering a serene gravel biking experience.


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