4.6
(386)
2,662
riders
164
rides
Touring cycling around Sermérieu, located in the Balcons du Dauphiné in Isère, France, offers diverse landscapes for exploration. The region features a mix of gentle plains, rolling hills, and picturesque countryside, providing varied terrain for cyclists. Panoramic views of the Alpine and pre-Alpine mountains, including the Bauges, Chartreuse, Belledonne, and Vercors ranges, are accessible from various points. Cyclists can expect routes through forested areas and along quiet roads.
Last updated: August 8, 2026
4.0
(1)
24
riders
76.4km
04:48
800m
800m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.2
(5)
25
riders
24.0km
01:29
130m
130m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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19
riders
53.6km
04:48
960m
960m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
10
riders
26.2km
01:39
90m
90m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
9
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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here I replenished my drink supply again
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In 1920, after the First World War, the Barron-Vialle company based in Lyon settled on a 100-hectare property on the edge of the Serre ponds [archive]. Founded by Antoine Vialle, it manufactured trucks, coaches, and luxury cars. The "conical gear axle" which replaced the chain drive on trucks was invented in the Vialle foundry in Arandon. Activity ceased in 1937[2],[3]. Between January 1939 and March 1940, the town's inhabitants lived through a little-known episode. After the fall of Barcelona to the Francoists on January 26, 1939, many Spanish refugees arrived in Grenoble, where they were very poorly housed. At the request of the authorities, in February 1939, Mr. Vialle, the mayor, agreed to rent out the premises of his inactive factory; from July 12 onwards, 1300 Spanish Republicans, mainly families[4] of refugees, were welcomed there and stayed until October. Two days after the declaration of war on September 3, 1939, the government of the Third Republic ordered the internment of men "nationals of enemy powers", considered suspicious. These were almost exclusively anti-Nazis, men, mostly Jewish refugees from Germany and Austria, who were interned from October 1939 under particularly harsh conditions. The camp is said to have closed its doors around February 1940, apparently by sending the last occupants, 90 Jews, to the Loriol camp on March 11. The activity of this center then ceased, a few months before the establishment of the Vichy regime on July 7, 1940[8]. Mr. Vialle was subsequently dismissed from his duties as mayor by the Vichy regime. The factory regained its purpose in 1946 with SOFAL (aluminum foundry) until its cessation of activity in 1967, with the factory being transferred to the company Pierre Calignon (cast iron foundry). The latter filed for bankruptcy in 1987 and was taken over by G-H Bouyer foundries, which permanently closed the site in 1993. The site was then used for storing tires and then chlorinated materials until its remediation[9]. srce wikipédia to learn more, https://ajpn.org/internement-Camp-d-Arandon-7.html
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Neither the castle nor the park are open to the public
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Pure idyll! 🤩🤩🤩
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Meh, just good for walking around, no difficulty
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complete hike, pure bliss 👍
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There are over 150 touring cycling routes in the Sermérieu area, offering a wide range of options for exploration. These routes are highly rated by the komoot community, with an average score of 4.4 stars from over 390 reviews.
The Sermérieu region, nestled in the Balcons du Dauphiné, offers diverse terrain for touring cyclists. You can expect a mix of gentle plains, rolling hills, and picturesque countryside. Routes often pass through forested areas and along quiet roads, with some featuring natural or gravel surfaces, providing varied experiences from leisurely rides to more challenging journeys.
Yes, Sermérieu offers several easy touring cycling routes perfect for beginners or those seeking a relaxed ride. For instance, the Crémieu–Morestel Greenway – Via Rhona loop from Passins is an easy 18.75-mile (30.17 km) trail that follows a greenway and part of the Via Rhona. Another accessible option is the Via Rhona loop from Parking Soleymieu, a 14.99-mile (24.14 km) path with minimal elevation gain.
For experienced touring cyclists looking for a challenge, Sermérieu offers routes with significant elevation gain. The Crémieu–Morestel Greenway – Crémieu, medieval town loop from Sablonnières Usines is a difficult 65.61-mile (105.59 km) route with over 1300 meters of ascent. Another demanding option is The Chatelain Washhouse – Chateau loop from Sablonnières Usines, a 33.45-mile (53.84 km) trail with over 1000 meters of climbing.
Touring cycling routes around Sermérieu offer opportunities to discover various landmarks and scenic viewpoints. You can enjoy exceptional panoramic views of the Alpine and pre-Alpine mountains, including the Bauges, Chartreuse, Belledonne, and Vercors ranges, from spots like the orientation table at the Madone du Moulin à Vent. Routes also pass through picturesque countryside and near historical sites. For example, the Crémieu–Morestel Greenway – Crémieu, medieval town loop from Sablonnières Usines takes you near the medieval town of Crémieu, known for its well-preserved 12th-century architecture.
Yes, the region offers routes suitable for families, particularly those that utilize greenways and have minimal elevation. Routes like the Crémieu–Morestel Greenway – Via Rhona loop from Passins, which follows a greenway, are generally well-suited for family outings, providing a safe and enjoyable cycling experience away from heavy traffic.
While specific regulations can vary by trail, generally, dogs are permitted on many public paths and greenways in the Sermérieu area, provided they are kept on a leash. It's always recommended to check local signage or specific route descriptions on komoot for any restrictions before heading out with your dog.
The touring cycling routes in Sermérieu are rich in natural beauty. You'll encounter picturesque countryside, tranquil forested areas, and rolling hills. Keep an eye out for local vernacular heritage like fountains and washhouses in hamlets. Additionally, some routes offer views of the 18th-century Château du Marteray set within a wooded park, adding to the scenic charm.
Many touring cycling routes in Sermérieu, especially loop trails, often start from designated parking areas. For example, the Via Rhona loop from Parking Soleymieu indicates a starting point with parking availability. It's advisable to check the specific tour details on komoot for recommended parking locations at trailheads.
Yes, the Sermérieu area provides convenient picnic areas, which are ideal for cyclists to rest and refuel. Notable spots include those at Madone du Moulin à Vent, Les Ferrandières, and Le Marteray. The Marteray picnic area, in particular, offers a pleasant setting within the natural surroundings.
The best time for touring cycling in Sermérieu is typically during the spring, summer, and early autumn months. During these seasons, the weather is generally mild and pleasant, making for comfortable riding conditions. The lush landscapes are also at their most vibrant, enhancing the scenic beauty of the routes.
Absolutely! After your touring cycling adventure, you can explore several nearby attractions. Consider visiting the medieval town of Crémieu, known for its historical architecture. Other points of interest include Étang de la Rosière, the Chateau de Chapeau Cornu, or the Tomb of Paul Claudel. The Greenway from Crémieu to Arandon-Passins is also a pleasant spot for a leisurely stroll.


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