4.0
(1)
6
riders
2
rides
Gravel biking around Bolozon offers varied terrain across river valleys, plateaus, and undulating crossings between the Ain and Jura regions. The landscape features gorges, limestone cliffs, and dense woodlands, providing a diverse environment for off-road cycling. Routes often follow scenic paths along the Ain River and ascend towards elevated viewpoints. The area is characterized by a mix of paved and unpaved segments, suitable for gravel bikes.
Last updated: July 3, 2026
4.0
(1)
2
riders
23.8km
01:38
300m
300m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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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 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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Lavoir de Aromas and its water point with an old communal fire-fighting engine. Church of Saint-André nearby. Aromas and its seven hamlets were part of the fief of the castle of Montdidier, the ruins of which can still be seen today. The village of Aromas is dominated by the hill of Cuquelu, on which stands a beautiful statue of the Virgin dating from the mid-19th century. In front of the church stands a calvary cross protected and classified by decree of November 24, 1906. The villages of Aromas, Villeneuve les Charnod, Faverges, Burigna and Ceffia have a covered washhouse. The commune of Ceffia was attached in 1974. The commune of Burigna was attached in 1823. The commune of l'Hôpital was attached in 1823 with its hamlets of Marsonnas and Marcia. Villeneuve les Charnod and Faverges were attached in 2017. https://www.terredemeraude.fr/aromas/
0
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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
1
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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.
0
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Beautiful path, probably busier when the weather is nice. If I read it correctly, the small road should be closed on weekends.
3
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
Gravel biking around Bolozon is primarily suited for experienced riders. Out of the 9 available routes, 8 are rated as difficult, with one being moderate. The terrain often includes challenging inclines and a mix of paved and unpaved segments across river valleys and plateaus.
The gravel biking routes directly around Bolozon are generally rated as difficult, making them less suitable for families with young children or beginners. The region's varied terrain, with challenging inclines and unpaved sections, caters more to experienced gravel bikers. For easier family cycling, you might explore dedicated cycling paths along the Ain River that are part of the 'Ain à Vélo' network, though these may not be gravel-specific.
The Bolozon area offers several natural highlights. You can explore the scenic Lake Nantua, discover the Grotte de Corveissiat, or visit the Cascade de la Pisse Vache. The region is also home to unique geological features like the Dinosaur Footprints of Villette and an Ondulated Rock Formation.
Yes, many of the gravel routes around Bolozon are designed as loops. For example, you can ride the challenging Lake Genin – Lake Nantua loop from Nurieux-Volognat, which covers over 61 km. Another option is the Quiet little road loop from Chartreuse du Val-Saint-Martin de Sélignac, offering a 29 km ride.
Beyond natural beauty, the area features interesting landmarks. A prominent sight is the Cize-Bolozon Viaduct, a remarkable 19th-century structure spanning the Ain River. You can also visit the Ruins of Jasseron Castle or the historic Chartreuse de Sélignac.
The gravel bike trails around Bolozon vary in length. You'll find routes ranging from shorter options like the Lavoir de la Platte – Col de France loop from Meillonnas at 23.8 km, to longer, more demanding rides such as the Cize Viaduct – Ain Valley loop from Matafelon-Granges, which spans over 61 km.
The gravel biking routes in Bolozon are highly regarded by the komoot community, holding an average rating of 4.3 stars from over 5 reviews. Many of the 46 visitors who have explored the area praise the varied terrain, scenic views, and the challenging nature of the rides.
Yes, several routes provide excellent views of the Ain River valley. The Cize Viaduct – Ain Valley loop from Matafelon-Granges is specifically designed to showcase the valley, featuring the iconic Viaduc de Cize-Bolozon. The region's topography, with its river valleys and plateaus, ensures many routes offer picturesque riverside paths.
The terrain around Bolozon is diverse, offering a true gravel biking experience. You can expect a mix of paved and unpaved paths, including challenging inclines, riverside trails, and segments through gorges, limestone cliffs, and dense woodlands. The routes often traverse undulating crossings between the Ain and Jura regions.
Bolozon serves as an excellent gateway to the Jura mountains. While specific gravel routes directly into the Jura from Bolozon are not detailed, the region's 'undulating crossings between Ain and Jura' suggest varied terrain suitable for gravel bikes. The Jura mountains are known for their lakes and forests, offering extensive opportunities for longer, multi-day gravel adventures.
There are 9 gravel biking routes available around Bolozon, offering a range of challenging experiences for riders. These routes explore the diverse landscapes of river valleys, plateaus, and the transition zone towards the Jura mountains.


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