4.7
(26)
149
riders
5
rides
Gravel biking around Bruc-Sur-Aff offers access to diverse landscapes within the Ille-et-Vilaine department of Brittany, France. The region is characterized by its connection to the Aff River, providing picturesque riverside trails, and its proximity to the Vilaine River, known for its easy-rolling gravel towpaths. Cyclists can also explore routes along the historic Canal de Nantes à Brest, which features well-maintained cinder tracks. The surrounding area includes a mix of rolling countryside and greenways, offering varied terrain for gravel cyclists.
Last updated: July 2, 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.
4.5
(11)
47
riders
73.8km
04:09
410m
410m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(3)
16
riders
42.7km
02:44
340m
340m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
5.0
(1)
4
riders
27.5km
02:05
310m
310m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
2
riders
40.2km
02:27
290m
290m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Sacred space, Saint-Just was frequented by Neolithic people for several millennia. Our distant ancestors settled on these dry moors to form a major complex of megalithic monuments, the second most important in Brittany, after Carnac. On a route of about 6km you can discover various alignments bearing strange names often linked to a local legend. The path can be walked, run or even cycled across a moor that offers no shade or shelter. A magical and fascinating place in every respect
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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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Very beautiful circuit starting from Missillac in the direction of Vilaine, passing successively through Thehillac, Etang Aumée, Avessac and Redon on secondary roads where there is very little traffic.
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Landscape that is different from the rest of the canal. Very wild
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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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A lock keeper and his dream of a little paradise...
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The gravel bike trails around Bruc-Sur-Aff offer a diverse mix of landscapes. You'll find picturesque riverside trails along the Aff River, easy-rolling gravel towpaths along the Vilaine River, and well-maintained cinder tracks along the historic Canal de Nantes à Brest. The region also features quiet country roads and rolling countryside, providing varied terrain suitable for gravel cycling.
Yes, the region offers several routes suitable for families. Many of the trails repurpose towpaths and disused railway lines, known as 'voies vertes' or greenways, which are generally flat and away from heavy traffic. For an easier option, consider the Bike stop loop from Renac, which is rated as easy and covers 8.3 km.
The routes often follow the scenic Aff and Vilaine rivers, offering tranquil views of abundant vegetation and flowing water. You can also explore the historic Canal de Nantes à Brest with its flower-decorated locks and traditional villages. Notable points of interest include the Vilaine Loop, and the ancient Saint Nicholas of Myra Church. The broader region is rich in heritage, with charming villages and historical sites accessible by bike.
Yes, there are several excellent circular routes. A popular choice is the Vilaine Loop – Vilaine River loop from Renac, a 69.1 km trail following the scenic Vilaine River. Another option is the Guipry-Messac Mill – Hidden Chapel loop from Pipriac, which is 62.6 km and explores the local countryside and historical sites.
Brittany generally offers pleasant cycling conditions from spring through autumn. The mild climate makes it enjoyable for much of the year. Spring and early autumn provide comfortable temperatures and beautiful scenery, while summer can be ideal for longer rides. Winter conditions are generally mild, but some trails might be wet.
Many of the routes start from or pass through towns like Renac, Pipriac, or Carentoir, where public parking is typically available. For routes along the Vilaine River or Canal de Nantes à Brest, you can often find parking near access points or in nearby villages. It's advisable to check specific starting points for parking availability before your ride.
The area is highly rated by the komoot community, with an average score of 4.9 stars from over 10 reviews. Cyclists often praise the region for its diverse landscapes, including serene riverside paths and well-maintained towpaths, as well as the quiet country roads that offer a peaceful riding experience away from traffic. The variety of routes, from easy loops to more challenging long-distance options, is also frequently highlighted.
Absolutely. Bruc-Sur-Aff's location provides access to extensive cycling networks. For a longer adventure, consider the Vilaine River – Canal de Nantes à Brest loop from Carentoir, which is a challenging 131.8 km route. The historic town of Redon, approximately 19 km away, is a hub for routes along the Vilaine River and the Canal de Nantes à Brest, offering connections to even longer trails like the 95-kilometer path along the Vilaine to Rennes or sections of La Vélodyssée (EuroVelo 1).
Many of the natural trails, especially those along river towpaths and greenways, are generally dog-friendly, provided your dog is well-behaved and kept on a leash. However, it's always best to check local regulations or specific route details for any restrictions, particularly in nature reserves or private lands. Ensure your dog is comfortable with the distance and terrain.
Yes, many gravel routes in the Bruc-Sur-Aff area pass through charming villages and towns where you can find cafes, bakeries, and local markets. Towns like Redon, La Gacilly, and Maure-de-Bretagne are known for their amenities. It's a good idea to plan your route to include these stops for refreshments and to experience local life.
While Bruc-Sur-Aff itself is a smaller commune, the broader region of Brittany is well-connected. The town of Redon, a significant hub about 19 km away, has a train station with connections that can facilitate access to the wider cycling network, including routes along the Vilaine River and Canal de Nantes à Brest. For detailed public transport information, especially regarding bike carriage, it's best to consult regional transport services.


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