4.7
(78)
437
riders
40
rides
Gravel biking around Guignen offers a network of no traffic gravel bike trails through diverse landscapes in northwest France. The region is characterized by the scenic Vilaine River and its verdant valley, providing varied terrain for cycling. Riders can explore both paved and unpaved surfaces, winding through picturesque countryside, historic mill sites, and along river towpaths. The area features gentle hills and riverine paths, making it suitable for exploring the natural heritage of the Ille-et-Vilaine department.
Last updated: July 4, 2026
4.5
(14)
92
riders
160km
08:37
810m
810m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(12)
65
riders
82.5km
04:08
350m
350m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.6
(8)
60
riders
84.2km
04:26
520m
520m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.2
(5)
47
riders
149km
08:00
670m
670m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
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.
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Popular around Guignen
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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In 832, Conuvoion, a Breton monk, founded the Abbey of Saint-Sauveur in Redon with the support of the Carolingian Emperor Louis the Pious. A small rural community slowly grew up around the abbey. During the Middle Ages, the town benefited from its location on the Vilaine River, as trade goods could be transported upstream to Redon on ocean-going vessels. There, the goods were transshipped and transported further on inland waterway barges towards Rennes, the capital of Brittany. In the 19th century, Redon experienced another period of prosperity with the construction of the Nantes-Brest Canal. Even today, the old shipowners' houses and the large harbor basin bear witness to its history as a trading port.
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The cycle path along the Vilaine is truly a MUST! It runs directly along the river and has many locks. At each of the locks, there are beautifully maintained guardhouses, some of which are even kitsch. The cycle path doesn't stray more than 10 meters from the river and has a very well-maintained surface. I had the pleasure of following it for over 40 kilometers.
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Redon has managed to retain its quiet, small-town character, despite its intense activity (and traffic). Following the floods of 2024, the campsite is closed. The pedestrian street is pleasant and not overcrowded with shops. Just what you need. A visit to the port is also a pleasant experience.
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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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You can explore over 20 dedicated traffic-free gravel bike trails in the Guignen area. These routes offer a mix of easy, moderate, and difficult options, ensuring there's something for every skill level.
The gravel bike trails around Guignen offer a diverse terrain, primarily following the scenic Vilaine River and its banks. You'll encounter well-maintained towpaths, quiet country lanes, and unpaved sections winding through picturesque countryside. While generally smooth, some routes may include varied surfaces typical of gravel riding.
The region around Guignen offers a mix of terrain. While many routes along the Vilaine River are relatively flat, some trails do include moderate climbs. For example, the challenging Boël Mill – Le Boël loop from Pont-Réan (Guichen) features nearly 476 meters of elevation gain, providing a good workout for those seeking more undulating paths.
Yes, the area boasts several easy and moderate routes perfect for families. The towpaths along the Vilaine River are particularly well-suited for a relaxed ride away from traffic, offering safe and enjoyable experiences for riders of all ages. Look for routes marked as 'easy' in the guide for the most family-friendly options.
The gravel trails often lead to fascinating points of interest. You can cycle past the iconic Boël Mill, a 12th-century water mill offering panoramic views. Other notable sights include the historic Pont-Réan bridge and the rugged Uzel Rock along the Vilaine River. The Moulin de la Bouëxière and Guipry-Messac Mill also add historical charm to your ride.
Many of the traffic-free gravel trails in Guignen are suitable for cycling with dogs, especially those along the Vilaine River's towpaths. Always ensure your dog is on a leash and that you respect local regulations and other trail users. It's advisable to check specific route details for any restrictions.
Yes, the majority of the gravel bike routes in this guide are designed as circular loops, allowing you to start and finish at the same point. This makes planning your ride convenient. Examples include the extensive La Halte – Boël Mill loop from Lohéac and the Hidden Chapel – Guipry-Messac Mill loop from Saint-Senoux - Pléchâtel.
Parking is generally available in the towns and villages near the trailheads, such as Guignen, Guichen, Lohéac, and Pont-Réan. Many routes start from locations with public parking facilities, especially near popular attractions like the Moulin du Boël or along the Vilaine River. Always check local signage for parking restrictions.
The spring and autumn months are ideal for gravel biking in Guignen, offering pleasant temperatures and beautiful scenery. Spring brings blooming wildflowers, while autumn showcases vibrant foliage. Summer can also be enjoyable, but it's best to ride earlier in the morning or later in the afternoon to avoid the midday heat. Winter rides are possible, but trails might be muddier.
Yes, you'll find various cafes, restaurants, and picnic spots in the towns and villages along or near the routes. The area around Boël Mill is known for its picnic areas and sometimes offers food options. Towns like Guichen, Guipry-Messac, and Pont-Réan provide opportunities to refuel and relax during or after your ride.
The area is highly rated by the komoot community, with an average score of 4.7 stars. Reviewers often praise the tranquility of the traffic-free routes, the stunning natural beauty of the Vilaine Valley, and the historical charm of landmarks like the Moulin du Boël. The well-maintained towpaths and diverse terrain are also frequently highlighted as major positives.


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