21
riders
5
rides
No traffic gravel bike trails around Bieuzy are defined by the Blavet River valley and the Canal de Nantes à Brest, which provide accessible paths with gravelly surfaces. The region's diverse Breton landscape includes rural areas, low mountains, and fertile plains, offering varied terrain for gravel biking. Granites are a dominant rock type, influencing the terrain and views.
Last updated: May 6, 2026
5
riders
21.6km
01:29
220m
220m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
60.8km
03:32
420m
420m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4
riders
121km
08:04
1,860m
1,860m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1
riders
23.3km
01:39
280m
280m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Bieuzy
avoid this climb if possible
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The old castle is now partially open to the public. It looks very defensive.
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A very beautiful and very touristy place near the old monastery.
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Just next to Louarnig Park, fully equipped area with 2 boxes to leave bikes safe at night, sanitary facilities with sink, WC and shower. Perfect place to fall asleep to the sound of the water
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There are 5 dedicated no-traffic gravel bike trails around Bieuzy, offering a mix of easy, moderate, and difficult routes. These trails allow you to explore the beautiful Blavet River valley and the Canal de Nantes à Brest on gravel-friendly surfaces.
You can expect varied terrain, from the smooth, gravelly surfaces along the Canal de Nantes à Brest to more challenging paths through the Crano Moors and local woodlands. The region's diverse Breton landscape, shaped by ancient geology, provides a mix of low elevations and scenic riverbanks, perfect for gravel biking.
Yes, for an easy and scenic ride, consider the Rohan Castle – Cascade Lock loop from Pontivy. This route is rated easy and offers a pleasant experience with minimal elevation gain, ideal for beginners or those looking for a relaxed outing.
Absolutely. Many of the routes are designed as loops, allowing you to start and finish in the same location. For example, the Cascade Lock – Canal de Nantes à Brest loop from Le Sourn offers a substantial circular ride, while the Pontivy Castle – Cascade Lock loop from Pontivy is a shorter, accessible option.
The trails often pass by significant historical and natural sites. You can explore the impressive Pontivy Castle, the unique Guernal lock on the Nantes-Brest canal, and the picturesque Saint-Nicodème Chapel. The Blavet River valley itself is a beautiful natural feature with its meandering course and the notable Cascade Lock.
The paths along the Canal de Nantes à Brest are generally flat and well-maintained, making them suitable for families. Routes like the Rohan Castle – Cascade Lock loop from Pontivy are rated easy and offer a safe, enjoyable experience away from traffic, perfect for a family outing.
The area is highly rated by the komoot community, with an average score of 3.5 stars. Reviewers often praise the tranquility of the routes, the well-maintained gravel surfaces along the canal, and the opportunity to discover historical locks and charming villages like Saint Nicolas des Eaux without vehicle interference.
For experienced gravel bikers seeking a challenge, the Cascade Lock – Lock No. 138 of Bon Repos loop from Lycée Le Gros Chêne is rated difficult. This extensive route covers over 120 km and features significant elevation changes, providing a demanding yet rewarding adventure through the region's diverse landscapes.
While the trails themselves are traffic-free, many pass through or near charming villages like Saint Nicolas des Eaux or towns like Pontivy. These locations offer opportunities to find cafes, restaurants, or small shops where you can refuel and rest during your ride. It's always a good idea to check opening hours in advance, especially in smaller hamlets.
Brittany generally offers pleasant conditions for gravel biking from spring through autumn. The mild climate means you can enjoy the trails without extreme heat. Spring brings blooming landscapes, while autumn showcases beautiful foliage. Even winter can be suitable, though some paths might be muddier, especially after heavy rain.
Parking is generally available in the towns and villages that serve as starting points for these routes, such as Pontivy or Le Sourn. Look for designated public parking areas. For specific routes, it's advisable to check the tour details on komoot for recommended starting points and parking information.


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