4.4
(161)
901
riders
79
rides
Mountain bike trails around Saint-Marc-Sur-Couesnon traverse a diverse landscape characterized by the Couesnon River Valley, traditional bocage, and woodlands. The region features a mosaic of fields and hedgerows, with underlying granitic terrain contributing to varied scenery. This area offers an extensive network of paths suitable for mountain biking, ranging from river-side routes to trails through forests. Many routes follow the Couesnon River, offering varied terrain.
Last updated: July 2, 2026
4.6
(5)
19
riders
43.7km
03:04
370m
370m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(1)
20
riders
60.4km
04:18
500m
500m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.0
(1)
10
riders
35.6km
02:49
420m
420m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(1)
10
riders
18.0km
01:36
230m
230m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
3.8
(4)
9
riders
33.5km
02:33
310m
310m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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Information to book your kayak: https://vaguelette.fr/spot/gosne/
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A popular hiking destination, the Rumignon woods are connected to the grounds of the Château de Saint-Aubin-du-Cormier by the GR 37 long-distance footpath. For centuries, the medieval castle was a symbol of Breton independence. Once comprised of ten towers forming a vast enclosure, the castle was destroyed in 1490 by King Charles VIII, who had the keep cut in two. Source => https://www.ille-et-vilaine.fr/le-bois-de-rumignon-et-parc-du-chateau-de-saint-aubin-du-cormier
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Watch the video here => https://www.youtube.com/watch?v=4rRywQRfgrE
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Municipal campsite l’Etang de St Aubin du cormier => https://www.saint-aubin-du-cormier.bzh/accueil/decouvrir-saint-aubin/informations-camping-municipal-de-letang/ Guinguette le préau du cormier https://www.youtube.com/watch?v=KgrICDUXXEU
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Listen to the podcasts here => https://www.nous-vous-ille.fr/mini-serie-chateau-saint-aubin
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The timeline retracing the history of St Aubin du Cormier, co-financed by the Department. The project was carried out with the support of the Brittany Region. Video to watch: Anne of Brittany, twice Queen - Secrets of History => https://www.youtube.com/watch?v=l_rNRBuD654
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This point of view makes it possible to apprehend the intimacy of the valley with its agricultural lands, its forest and the Couesnon river.
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There are over 75 mountain bike trails around Saint-Marc-Sur-Couesnon. This extensive network includes 9 easy routes, 62 moderate routes, and 6 difficult routes, catering to various skill levels.
Yes, there are 9 easy mountain bike routes in the area, perfect for beginners or family outings. An example is the Mountainbike loop from Saint-Ouen-des-Alleux, an 11.1-mile (17.8 km) path that offers a gentle ride through the local bocage landscape.
The terrain in Saint-Marc-Sur-Couesnon is diverse, characterized by the Couesnon River Valley, traditional bocage (a mosaic of fields and hedgerows), and woodlands. You'll find trails along rivers, through undergrowth, past historic houses, and over varied granitic subsoil, offering a mix of natural features.
Many of the mountain bike routes in Saint-Marc-Sur-Couesnon are circular, allowing you to start and end at the same point. For example, the L'étang d'ouée loop from Mézières-sur-Couesnon is a 37.0-mile (59.6 km) trail that takes you through varied woodlands and open plains.
The region offers several interesting sights. You can find a Viewpoint over the Couesnon valley, the tranquil Saint-Aubin-du-Cormier Pond, and unique Stone Steps in the Couesnon Valley. The area's bocage landscape and the Couesnon River itself are central natural elements.
Yes, the region has historical significance. You can explore landmarks such as The keep of Saint-Aubin-du-Cormier, a remnant of an ancient castle, or the historic Notre-Dame Church of Chauvigné, which adds to the cultural experience of your ride.
The mountain bike trails in Saint-Marc-Sur-Couesnon are highly rated by the komoot community, with an average score of 4.5 stars from over 149 reviews. Riders often praise the diverse landscapes, the well-maintained network of paths, and the scenic beauty of the Couesnon River valley and woodlands.
For experienced riders seeking longer routes, the area offers several moderate to difficult options. The Saint-Jean-sur-Couesnon Mill – Canyon loop from Saint-Jean-sur-Couesnon is a moderate 27.2-mile (43.7 km) trail that explores the Couesnon River valley and surrounding countryside, taking approximately 3 hours to complete.
Absolutely. Many trails and viewpoints in the region offer breathtaking views. The Couesnon River Valley itself provides picturesque scenery, and there are specific spots like the Viewpoint over the Couesnon valley that offer expansive panoramas of the landscape.
Yes, the Couesnon River is a central feature of the region, and many routes are designed to follow its course. Trails like 'Le Chemin des Flégés' (mentioned in regional research) offer scenic rides along the river, through undergrowth, and past historic houses, allowing you to experience the valley's natural beauty.
The diverse landscapes of Saint-Marc-Sur-Couesnon, with its woodlands and bocage, make it suitable for mountain biking across multiple seasons. Spring and autumn offer pleasant temperatures and vibrant scenery, while summer provides longer daylight hours. Even in winter, many trails remain accessible, though conditions may vary.
Yes, for those who prefer an assisted ride, electric bike rentals are available in the Couesnon Marches de Bretagne region. This allows more people to enjoy the extensive network of trails, regardless of their fitness level or the terrain's difficulty.


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