4.5
(105)
2,529
riders
12
rides
Road cycling around Bolozon offers varied landscapes within the Ain department, characterized by the Ain River valley, limestone cliffs, and gorges. The region features undulating terrain with both moderate climbs and flatter sections, providing diverse experiences for road cyclists. Notable landmarks include the Cize-Bolozon Viaduct, which offers scenic views of the surrounding area. The area's geology contributes to a mix of open stretches and routes winding through natural features.
Last updated: May 6, 2026
11
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
12
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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5
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
6
riders
92.0km
04:37
1,270m
1,270m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4
riders
20.7km
01:01
200m
200m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around Bolozon
In the heart of the Gorges de l'Ain, this 20-hectare island offers a body of water suitable for swimming and water activities in a preserved natural environment.
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pretty small stone viaduct with 2 superimposed lanes, one for cars with 6 arches and one for the train with 11 arches. Atypical.
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pretty little stone viaduct with 2 superimposed lanes, one for cars with 6 arches and one for the train with 11 arches. Atypical.
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Located in the hamlet of Thioles, near this river, the menhir generated the toponym « Pierre fiche », without ambiguity. This name, common throughout France, should be compared to « Pierrefitte » or other phrases such as pierre fichée, pierre plantée, pierre levée, pierre longue… Erected on the edge of a cornfield, the menhir measures 3.80 meters in height, about 0.50 meters in thickness and 1.30 meters at its widest. The stone is said to be sunk several meters into the ground. Nothing allows us to confirm the dating of the Simandre menhir, but its shape brings it closer to Burgundian examples dated to the Middle Neolithic (4200 to 3600 BC). Ancient mentions from the 12th century reveal the existence of two other menhirs, neighbours of Pierre Fiche but which were reportedly removed in the 18th century. It could therefore be not an isolated monument, but part of an alignment or a more complex ensemble. There is also mention of a third menhir near the nearby mill. And also of a dolmen that disappeared long ago, near the village of Chavannes-sur-Suran, and whose tiled roof would have given its name to the hamlet of Thioles… In Simandre, it is told that passing fairies planted three cattails in a field which turned into enormous stones… The menhir has also become a place of popular belief linked to fertility: couples wishing to have a child would rub themselves against the stone and pilgrims would scrape it to swallow the dust. The oldest monument classified as a historical monument in the department (March 6, 1888), the megalith is private property but remains easily visible from a hiking trail. https://patrimoines.ain.fr/n/menhir-de-pierre-fiche-a-simandre-sur-suran/n:320
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A must-see in Ain! It’s a chance to experience some elevation gain!
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Pretty little viaduct which is a real must-see!
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Magnificent viaduct, nice spot for an outing in Ain.
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A must-see on the banks of the Ain
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There are over 10 dedicated traffic-free road cycling routes around Bolozon, catering to various fitness levels. You'll find a good mix of easy, moderate, and challenging options to explore the beautiful Ain region.
The routes around Bolozon offer an exotic and meandering journey through diverse landscapes. You'll cycle through picturesque gorges, past impressive limestone cliffs, and along the scenic Ain Valley. Many routes also feature views of the iconic Cize-Bolozon Viaduct.
Yes, Bolozon offers several easy traffic-free road cycling routes. A great option is the View of the Viaduc de Poncin – Poncin — Medieval Village loop from Chambod, which is just over 13 km with minimal elevation gain. Another easy choice is the Col de la Rousse loop from Montmerle.
The region is generally excellent for road cycling from spring through autumn. The weather is typically mild, making it ideal for exploring the undulating crossings between the Ain and Jura. Summer offers warmer temperatures, perfect for combining your ride with a dip in the Ain River or one of the nearby lakes.
Absolutely. For experienced cyclists looking for a significant challenge, consider routes like the Cize Viaduct – Cize-Bolozon Viaduct loop from Cize - Bolozon. This route covers over 90 km with substantial elevation gain, offering a rewarding experience for those with very good fitness.
Many routes offer views of the magnificent Cize-Bolozon Viaduct. You might also pass by natural features like the Cascade de la Pisse Vache or the unique Ondulated Rock Formation. The region is rich in natural beauty, including the Ain River itself.
Yes, many of the traffic-free road cycling routes around Bolozon are designed as loops, allowing you to start and end at the same point. For example, the Cize-Bolozon Viaduct – Cize-Bolozon Viaduct loop from Hautecourt-Romanèche is a moderate circular option.
The road cycling routes around Bolozon are highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the quiet roads, the stunning views of the Ain Valley and the Cize-Bolozon Viaduct, and the varied terrain that keeps rides interesting.
The Ain River is a central feature of the region, and many routes offer beautiful views of its valley. While not directly on a traffic-free route, the stunning Lake Nantua is a short detour from some areas and offers a picturesque spot for a break.
The Ain department is renowned as a road bike paradise, boasting over 2,000 km of signposted routes. These range from challenging passes to gentle greenways, including sections of the ViaRhôna. For more general information on road cycling in the wider Ain region, you can visit ain-tourisme.com.
While cycling, you'll be immersed in the region's natural beauty. For historical interest, the Ruins of Jasseron Castle are a notable nearby attraction. The region also features medieval cities like Pérouges and Crémieu, which can be explored off the bike.


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