5.0
(2)
22
riders
5
rides
Gravel biking around Cize-Bolozon offers diverse landscapes, characterized by the dramatic Gorges de l'Ain and the Ain River, providing scenic corridors for rides. The region sits on the western edge of the French Jura mountains, with the elevated Plateau d'Hauteville nearby, featuring varied terrain including forests and challenging passes. Impressive cliffs and the historic Cize-Bolozon Viaduct also contribute to the rugged beauty and serve as focal points for many routes. This area is well-suited for gravel biking due to its…
Last updated: May 10, 2026
2
riders
29.1km
02:06
490m
490m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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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.
5.0
(1)
13
riders
44.9km
03:03
700m
700m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
40.9km
02:52
770m
770m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Cize-Bolozon
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.
1
0
Pretty little lake in the heart of the small Jura mountains
0
0
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
1
0
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.
0
0
Really quiet area, hardly any traffic.
0
0
Memorial to the victims of deportation.
3
0
A small church in Nantua worth seeing. Unfortunately, the town suffers greatly from the traffic on the D1084. The nearby motorway costs money.
3
0
Komoot currently features 5 dedicated no-traffic gravel bike trails in the Cize-Bolozon area. These routes are carefully selected to offer quiet and scenic rides away from car traffic, primarily utilizing unpaved tracks and quiet roads through the Gorges de l'Ain and towards the Jura foothills.
The terrain around Cize-Bolozon is diverse, offering a mix of quiet paved roads, unpaved tracks, and gravel surfaces. You'll encounter varied topography, from following the Ain River through its dramatic gorges to climbing towards the elevated Plateau d'Hauteville, which features beech and spruce forests. Some sections can be rough, making them ideal for gravel bikes.
Yes, the routes in this guide are generally considered challenging, with significant elevation gains. For instance, the Nice quiet climb – Lect Climb loop from Condes covers nearly 44 km with almost 1000 meters of elevation gain. The region, especially towards the Plateau d'Hauteville, is known for demanding climbs and varied terrain suitable for riders with good to very good fitness levels.
Many routes offer stunning views of the Gorges de l'Ain and follow the Ain River. A prominent landmark is the historic Cize-Bolozon Viaduct, an impressive double-decker structure carrying both railway and road traffic. You'll also pass through dense forests and may catch glimpses of cliffs like Jarbonnet and Berranger, particularly on routes traversing the Jura foothills.
Yes, all the routes featured in this guide are circular, allowing you to start and end at the same point. Examples include the Quiet little road loop from Chartreuse du Val-Saint-Martin de Sélignac and the Lake Genin – Lake Genin loop from Oyonnax, providing convenient options for exploration.
The Cize-Bolozon region is generally pleasant for gravel biking from spring through autumn. Spring brings lush greenery, while autumn offers beautiful foliage. Summer can be warm, especially in the gorges, but the higher elevations of the Plateau d'Hauteville provide cooler air. Always check local weather conditions before heading out.
Yes, some routes venture towards nearby lakes. For example, the Lake Nantua – Lac de Nantua loop from Brion - Montréal-la-Cluse offers scenic views of Lac de Nantua, providing a refreshing change of scenery from the river gorges and forests.
The komoot community highly rates the gravel biking experience in Cize-Bolozon, with an average score of 5.0 stars. Riders often praise the quiet roads, the stunning natural beauty of the Gorges de l'Ain, and the challenging yet rewarding climbs that offer panoramic views.
While Cize-Bolozon is well-connected by road, public transport options directly to specific trailheads might be limited. It's advisable to check local bus or train schedules for connections to Cize-Bolozon or nearby towns like Oyonnax or Montréal-la-Cluse, and plan your route accordingly, as many tours start from these areas.
The Plateau d'Hauteville, known as Forest'Cime, is a recognized area for gravel cycling with varied terrain. You can find more information about its outdoor offerings, including gravel routes, on the local tourism website: Forest'Cime - Plateau d'Hauteville.
The routes listed in this guide are generally rated as 'difficult' due to their length and significant elevation gains, making them more suitable for experienced gravel bikers. While they are traffic-free, beginners or families with young children might find them too challenging. For easier, family-friendly options, it's best to look for shorter, flatter routes specifically designated as 'easy' or 'family-friendly' in the broader Ain region.


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