4.5
(146)
3,487
riders
16
rides
No traffic road cycling routes around Cize-Bolozon are situated in the Ain department of France, characterized by the Ain River valley and the foothills of the Jura Mountains. The terrain features a mix of paved surfaces, gorges with limestone cliffs, and wooded hills, offering varied cycling experiences. The region includes notable landmarks such as the Cize-Bolozon Viaduct, which spans the Ain River. This landscape provides options for both moderate and challenging road cycling.
Last updated: July 7, 2026
4
riders
75.6km
03:50
1,100m
1,100m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
6
riders
92.1km
04:38
1,290m
1,290m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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4
riders
26.4km
01:11
250m
250m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
5.0
(1)
29
riders
39.8km
02:03
640m
640m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Cize-Bolozon
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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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/
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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 16 dedicated no-traffic road cycling routes around Cize-Bolozon featured in this guide. These routes vary in difficulty, offering options for different fitness levels.
The no-traffic road cycling routes around Cize-Bolozon offer a mix of challenges. This guide includes 2 easy routes, 11 moderate routes, and 3 difficult routes. The region's terrain, situated in the foothills of the Jura Mountains, often features 'calf-pulling passes' and elevation gains, making it suitable for cyclists seeking varied experiences.
Yes, many of the routes are designed as loops, allowing you to start and finish in the same location. For example, the challenging Viaduct Cize-Bolozon – Cize Viaduct loop from Thoirette covers over 75 km with significant elevation, while the Côte de Marcia loop from Aromas offers a moderate 24 km ride.
Many routes offer stunning views of the Ain Valley and the surrounding natural beauty. A prominent landmark is the impressive Cize-Bolozon Viaduct, a double-deck stone bridge spanning the Ain River. You might also encounter picturesque sections along the Ain River gorges with their high karst cliffs, or views towards the Jura Mountains. The Lac de Coiselet – View of Lac de Coiselet loop from Condes specifically highlights a magnificent lake.
The Ain region is generally excellent for road biking from spring through autumn. The varied terrain and natural beauty are best enjoyed in milder weather. While specific winter conditions can vary, many routes are mostly paved, making them accessible outside of heavy snow or ice.
While many routes in this guide are moderate to difficult, there are 2 easy routes that could be suitable for families with some cycling experience. The region's focus on dedicated cycling networks and quieter roads can make for a more relaxed experience, but always check the route details for distance and elevation to ensure it matches your family's capabilities.
Starting points for many routes, such as Cize - Bolozon, Thoirette, Aromas, or Condes, typically offer local parking options. It's advisable to check the specific starting point of your chosen route for the most convenient parking facilities.
The komoot community highly rates the road cycling experience in Cize-Bolozon, with an average score of 4.56 stars. Reviewers often praise the region's captivating landscapes, the mix of challenging climbs and scenic rides, and the architectural marvel of the Cize-Bolozon Viaduct. The focus on no-traffic routes also contributes to a more peaceful and enjoyable ride.
While specific cafes directly on every no-traffic section might be limited, many routes pass through or near charming villages where you can find local establishments for refreshments. Planning your route with potential stops in mind, especially in towns like Cize-Bolozon or other starting points, is recommended.
The Ain River, which flows through impressive gorges near Cize-Bolozon, offers opportunities for water activities. While specific designated wild swimming spots directly adjacent to car-free cycling routes might require a short detour, the river and nearby Lac de Conflans provide natural settings for enjoying the water. Always exercise caution and check local regulations before swimming in natural bodies of water.
Absolutely. For experienced riders seeking a challenge, routes like the Cize Viaduct – Cize-Bolozon Viaduct loop from Cize - Bolozon cover over 90 km with more than 1200 meters of elevation gain, demanding very good fitness. The region's terrain, with its 'calf-pulling passes' in the Jura foothills, ensures a rewarding experience for advanced cyclists.


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