4.5
(76)
396
riders
34
rides
No traffic gravel bike trails around Guichen are predominantly shaped by the scenic Vilaine River, which meanders through the region, offering extensive towpaths suitable for cycling. The landscape features lush forests, tranquil parks, and the notable Boël Valley, recognized as a Biosphere Reserve, providing varied terrain for gravel biking. This area combines relatively flat riverside routes with wooded sections and gentle elevations, making it ideal for exploring Brittany's natural heritage on two wheels.
Last updated: May 6, 2026
4.5
(10)
73
riders
133km
07:33
820m
820m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
4.8
(9)
37
riders
54.1km
02:41
120m
120m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.6
(9)
43
riders
50.3km
02:36
240m
240m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(4)
24
riders
91.5km
05:05
380m
380m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
4.8
(8)
20
riders
48.4km
02:51
330m
330m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Guichen
This former watermill, documented as early as 1089, was initially used as a fulling mill before being converted into a flour mill in the 19th century. Its operation ceased on December 31, 1974. Since then, the building has stood as a significant heritage landmark, marking the industrial and riverine history of the Vilaine Valley.
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Hello everyone, The bridge has been dismantled for two years, undergoing repairs in the navigation workshops. I hope to see it again one day.
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Inflate the tires properly because flint
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Great area to explore for those who love climbing!
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The Ille-et-Rance Canal, which connects Rennes and Saint-Malo, is the oldest canal in Brittany. It is made up of three sections, including the one at this location. The canal is then made up of the bed of the Ille.
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You'll find nearly 30 dedicated traffic-free gravel bike trails around Guichen. These routes offer a fantastic way to experience the region's natural beauty without vehicle interference, catering to various skill levels.
The terrain around Guichen is quite varied, making it ideal for gravel biking. You can expect mostly flat and scenic sections along the Vilaine River towpath, which is perfect for relaxed rides. However, some routes venture into wooded areas and offer more challenging ascents and descents, providing a good mix for all riders.
Yes, Guichen offers several easy, traffic-free gravel routes perfect for families and beginners. The flat sections along the Vilaine River are particularly suitable. For a longer, yet manageable ride, consider the 'L'Ille – Ille-et-Rance Canal loop from Chavagne' (L'Ille – Ille-et-Rance Canal loop), which offers a scenic and relatively flat experience.
Many traffic-free gravel trails in Guichen pass by significant landmarks. You can cycle past the historic Boël Mill, an emblematic 12th-century watermill, or cross the beautiful Pont-Réan bridge, a classified Historical Monument. The drawbridge at the Cicé lock is another interesting feature along the Vilaine River.
Absolutely! Many of the gravel bike trails in Guichen are designed as circular routes, allowing you to start and finish at the same point. A great example is the 'Pont-Réan – Boël Mill loop from Chavagne' (Pont-Réan – Boël Mill loop), which takes you through diverse landscapes and past key attractions.
Yes, many areas around Guichen, particularly along the Vilaine River, are dog-friendly. The towpaths and open fields are suitable for walks and rides with your canine companion, provided they are kept under control. Always check local regulations for specific trail sections.
While the trails are designed to be traffic-free, the best time to enjoy them with fewer people is typically during the shoulder seasons (spring and autumn) when the weather is pleasant but tourist numbers are lower than in peak summer. Winter can also offer quiet rides, though some paths might be muddier.
For experienced gravel bikers looking for a challenge, Guichen offers longer and more difficult routes. The 'Guipry-Messac Mill – Vilaine Loop loop from Guichen - Bourg-des-Comptes' (Guipry-Messac Mill – Vilaine Loop) is a demanding option, covering over 120 km with significant elevation gain, providing a full day's adventure.
Parking is generally available at popular starting points for trails, such as near the Boël Mill or in towns like Pont-Réan and Guichen itself. These locations often serve as hubs for outdoor activities and provide convenient access to the trail network.
The komoot community highly rates the gravel biking experience in Guichen, with an average score of 4.5 out of 5 stars. Reviewers often praise the tranquility of the traffic-free paths, the scenic beauty of the Vilaine River, and the historical landmarks encountered along the way, making for a truly immersive outdoor adventure.
Yes, the region around Guichen is known for its picturesque views, especially along the Vilaine River and in the Boël Valley. Routes that climb slightly away from the riverbanks, particularly around the Boël Mill, often provide panoramic vistas of the surrounding wooded landscapes and the river below.


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