4.4
(21)
262
riders
15
rides
Gravel biking around Guern offers access to a network of no traffic gravel bike trails within the Morbihan department of Brittany, France. The region is characterized by hilly terrain situated between the Sarre and Blavet valleys, featuring natural preserved paths and sections along the Canal de Nantes à Brest. These routes traverse diverse landscapes, including forests, grasslands, and traditional villages, providing varied terrain for gravel cyclists.
Last updated: November 3, 2026
4.0
(6)
47
riders
82.9km
04:16
450m
450m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
4.4
(5)
74
riders
38.7km
02:00
180m
180m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.

4.0
(5)
41
riders
51.7km
02:40
260m
260m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
6
riders
42.1km
02:37
520m
520m
Hard gravel ride. Very good fitness required. Mostly paved surfaces.
8
riders
51.4km
03:29
660m
660m
Hard gravel ride. Very good fitness required. Mostly paved surfaces.
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Food Truck “Le Pois Bleu”, Stop!!! :)
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magnificent bodies of water and bucolic locks
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New cafe just on the way out of Pontivy owned by a very friendly and helpful gentleman with lots of experience and tips. He will soon have a bike repair station too! Top!
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Here the origin of the path can be seen: it was an old railway. The old station is well maintained.
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The reconstruction is great! But we left some parts in ruins, which preserves the character of an old building.
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In view of this Marian shrine, a "Chapelle Notre Dame," I would like to offer the viewer a brief reflection from the important French order founder and Doctor of the Church, Saint Bernard of Clairvaux (c. 1090 to 1153). He recommended at the time: "In danger, in doubt, in difficulties, think of Mary, invoke Mary. Do not let her name leave your lips, never let it leave your heart. (...) Under her protection, you have nothing to fear; if she goes before you, you will not tire; if she grants you her favor, you will reach your goal."
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A great detour to Saint Aignan, the Les Pêcheries de Guerlédan restaurant is very welcoming, with bike parking, a generous meal and welcome. Crossing the village, you can reach the canal a little further on via the lock.
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There are over 10 dedicated no-traffic gravel bike trails around Guern, offering a variety of distances and difficulty levels. These routes are specifically curated to keep you away from vehicular traffic, allowing for a peaceful and immersive cycling experience.
The terrain around Guern is quite varied, ranging from natural preserved paths in the Sarre and Blavet valleys to sections along the Canal de Nantes à Brest which feature a pleasant gravelly surface. You'll encounter hilly sections, particularly on routes like the Bon-Repos Abbey – Lock No. 138 of Bon Repos loop from Lignol, providing a good mix of challenges and scenic views.
While specific 'family-friendly' designations aren't always explicit, many sections of the Canal de Nantes à Brest are known for their gentle gradients and car-free environment, making them suitable for families. Look for routes with lower elevation gain and shorter distances for a more relaxed family outing.
You can discover several historical and natural attractions. The Pontivy Castle is a notable landmark, and the Canal de Nantes à Brest itself, with its system of locks like the Guernal lock, offers picturesque views. The region is also rich in chapels, such as the Saint-Nicodème Chapel, providing cultural stops along your ride.
Brittany generally offers pleasant cycling conditions from spring through autumn. Spring brings blooming landscapes, while summer provides warmer weather. Autumn offers beautiful foliage. Winter can be damp, but many trails remain accessible, though conditions might be muddier. Always check local weather forecasts before heading out.
Yes, many of the gravel routes around Guern are designed as loops, allowing you to start and finish at the same point. For example, the Cascade Lock – Greenway in Mûr-de-Bretagne loop from Cléguérec is a challenging circular route, and the Pontivy Castle – Cascade Lock loop from Pontivy offers a moderate option.
The area is highly rated by the komoot community, with an average score of 4.3 stars. Reviewers often praise the tranquility of the car-free paths, the diverse landscapes of valleys and waterways, and the opportunity to explore historical sites like the Notre-Dame-de-Quelven Basilica away from busy roads.
Yes, while some routes are more challenging, there are moderate options suitable for beginners looking for car-free experiences. The Cascade Lock – Canal de Nantes à Brest loop from Le Sourn is a moderate route that follows the canal, offering a relatively flat and traffic-free ride perfect for those starting out.
Parking is generally available in the towns and villages that serve as starting points for these trails, such as Cléguérec, Lignol, or Pontivy. Specific parking information can often be found on individual route pages or local tourism websites. For example, the 'Circuit de Kalong Guern' is accessible from Guern itself, where you can typically find local parking.
Access to trailheads via public transport can be limited in rural areas like Guern. However, larger towns like Pontivy, which serve as starting points for some routes, may have better public transport connections. It's advisable to check regional bus or train schedules in advance if you plan to rely on public transport.
For experienced riders seeking longer, car-free challenges, routes like the Bon-Repos Abbey – Lock No. 138 of Bon Repos loop from Lignol offer significant distances (over 150 km) and considerable elevation gain, providing an epic gravel biking adventure through varied terrain.
The surfaces vary from compacted gravel paths along the Canal de Nantes à Brest to more natural, sometimes rougher, preserved paths in the valleys. You can expect a mix of hard-packed dirt, loose gravel, and potentially some grassy or muddy sections, especially after rain. Gravel bikes with wider tires are ideal for these conditions.


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