4.3
(97)
1,038
riders
87
rides
Mountain biking around Glénac offers diverse terrain within the Morbihan department of Brittany, France. The region is characterized by the confluence of the Oust and Aff rivers, providing rich riverine landscapes. Cyclists can explore accessible towpaths along the Vilaine River and the Canal de Nantes à Brest, which offer peaceful and scenic routes. The area features a mix of cultivated land, heathlands, prairies, and woods, with elevations ranging from 2 to 87 meters, creating varied topography for mountain bike trails.
…Last updated: June 20, 2026
4.5
(6)
71
riders
33.9km
02:49
370m
370m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
52
riders
35.8km
02:56
380m
380m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.5
(2)
41
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(2)
13
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.5
(6)
34
riders
38.6km
02:28
160m
160m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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The Saint-Méen chapel is one of the three friary chapels in the commune, along with the Saint-Laurent and Saint-Marcellin chapels.
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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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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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through the countryside, always nice to find the canal again
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A lock keeper and his dream of a little paradise...
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Historic site commemorating the Battle of the Ballon between Nominoé and Charles the Bald in the 6th century.
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It's hard to see this mill. It's overgrown with vegetation, making it almost invisible. It's a shame it's not more prominently displayed.
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There are over 80 mountain bike trails around Glénac, offering a wide range of options for different skill levels. This includes 31 easy routes, 51 moderate routes, and 1 more challenging trail.
The terrain around Glénac is quite varied, characterized by the confluence of the Oust and Aff rivers. You'll find accessible towpaths along the Vilaine River and the Canal de Nantes à Brest, as well as routes through cultivated land, heathlands, prairies, and woods. Elevations range from 2 to 87 meters, providing some gentle climbs and descents.
Yes, Glénac offers several easy routes suitable for families. For example, the View of the Aff footbridge – Bridge over the Aff in La Gacilly loop from La Gacilly is an easy 14.7-mile (23.6 km) path that provides a scenic and less strenuous ride along the river.
While many trails in the region are dog-friendly, it's always best to check local signage or specific route details on komoot for any restrictions, especially in nature reserves or protected areas. Generally, dogs on a leash are welcome on many of the towpaths and woodland trails.
The region is rich in natural beauty and historical sites. You can cycle along the picturesque Towpath along the Vilaine or the Towpath on the Nantes-Brest canal. Nearby, you can also explore the charming town of Redon with its historic streets, or visit the Yves Rocher House in La Gacilly, known for its botanical garden.
Many of the mountain bike routes around Glénac are designed as loops, making them convenient for starting and ending at the same point. An example is the Canal Boats and Lock Café – Magpie Island loop from Les Métairies, which takes you through canal-side landscapes.
The spring and autumn months generally offer the most pleasant conditions for mountain biking in Glénac, with milder temperatures and beautiful scenery. Summer can also be enjoyable, especially along the shaded river and canal paths, but be prepared for potentially warmer weather. Winters are typically mild but can be wet.
Parking is generally available in and around Glénac, particularly near popular trailheads or village centers. For specific routes, it's advisable to check the route details on komoot, as many tours provide information on recommended starting points and parking facilities.
The mountain bike trails around Glénac are highly rated by the komoot community, with an average score of 4.2 stars from over 100 reviews. Riders often praise the diverse riverine landscapes, the peaceful canal towpaths, and the variety of routes suitable for different skill levels.
Yes, for those seeking a longer ride, the Bridge over the Aff in La Gacilly – View of the Aff footbridge loop from La Gacilly is a moderate 27.7-mile (44.6 km) trail that offers extensive views along the Aff river and its footbridges, typically taking around 3 hours 50 minutes to complete.
Absolutely. The region is dotted with historical points of interest. You can explore the area around the 16th-century Château de Sourdéac in Glénac itself, or cycle towards sites like the Dolmen of the Sprites loop from Les Fougerêts, which takes you past ancient megalithic structures.
Glénac and nearby towns like La Gacilly and Redon offer various options for accommodation, cafes, and restaurants. Many routes pass through or near these villages, providing convenient stops for refreshments or overnight stays. Look for local establishments that cater to outdoor enthusiasts.


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