4.6
(27)
260
riders
16
rides
Gravel biking around Séglien offers a diverse landscape characterized by undulating relief, with elevations ranging from 123 to 248 meters, providing engaging ascents and descents. The region features the picturesque Sarre River valley, a Natura 2000 site, and extensive woodlands like the Bois de Coët-an-Fao. An established network of trails, including access to the gravel-friendly Nantes-Brest Canal, makes it an ideal destination for varied gravel biking experiences.
Last updated: May 13, 2026
4.5
(4)
45
riders
117km
06:25
890m
890m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
4.0
(4)
34
riders
89.2km
04:41
540m
540m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.5
(6)
39
riders
65.9km
03:38
520m
520m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
10
riders
152km
09:04
1,570m
1,570m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
5
riders
21.6km
01:29
220m
220m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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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This is one of the very few straight sections of the canal.
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A stretch on the dam before the Trehu Moron dam. The landscape is constantly changing. The canal meanders through the countryside here. I love this landscape, and it's a good mood to drive here.
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Very nice lock along the canal
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A welcome breath of fresh air
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Séglien's landscape is characterized by its undulating relief, with elevations ranging from 123 to 248 meters, providing engaging ascents and descents. You'll find a mix of hilly terrain, picturesque river valleys like the Sarre River, and extensive woodlands such as the Bois de Coët-an-Fao. Many trails also connect to the gravel-friendly Nantes-Brest Canal, offering flatter, meditative sections.
While many routes in Séglien feature significant elevation gain, there are options for various ability levels. The region's network of paths, including sections of the Nantes-Brest Canal, can offer more gentle rides. For a moderate option, consider exploring the Bon Repos Abbey – Lock No. 138 of Bon Repos loop from Lignol, which offers a good balance of challenge and scenic beauty.
You can explore several interesting sites. The Sarre River valley is a Natura 2000 site, known for its ecological importance. The Bois de Coët-an-Fao offers shaded trails and diverse natural settings. Along your rides, you might encounter historical features like ancient Roman roads, chapels such as Locmaria, Saint-Zénon, and Saint-Germain, or even the modern wind farm near Trescoët. The famous Canal de Nantes à Brest is also a major attraction, offering a unique cycling experience.
Absolutely. Séglien is rich in history. You can cycle past ancient Roman roads, discover charming chapels, fountains, and bread ovens in characterful hamlets. Notable historical sites include Bon-Repos Abbey and the impressive Pontivy Castle, located in the nearby town of Pontivy, which makes for a great destination on a longer ride.
The routes in Séglien are highly rated by the komoot community, with an average score of 4.3 stars from over 20 reviews. More than 200 gravel bikers have used komoot to explore Séglien's varied terrain, often praising the mix of challenging climbs, scenic river valleys, and the unique experience of riding along the Nantes-Brest Canal.
Séglien offers a network of paths suitable for various activities, including cycling. While some routes are challenging, sections of the Nantes-Brest Canal are generally flatter and more meditative, making them potentially suitable for families. Look for marked circuits like 'Le seigle' (13 km) or 'Crêtes du Squel' (15 km), which are designed for walking and cycling and may offer gentler options.
Brittany generally offers pleasant cycling conditions from spring through autumn. The varied terrain and woodlands of Séglien provide shaded trails, which can be particularly enjoyable during warmer months. Always check local weather forecasts before heading out, as conditions can change, especially with the region's undulating relief.
Yes, Séglien has several marked circuits designed for cycling and walking. For example, the 'Crêtes du Squel' is a 15 km circuit. Many of the komoot tours, such as the Cascade Lock – Greenway in Mûr-de-Bretagne loop from Cléguérec, are also designed as loops, allowing you to start and finish at the same point.
While specific parking areas for each trail are not detailed, Séglien and its surrounding hamlets, as well as nearby towns like Cléguérec or Langoëlan, typically offer public parking facilities. It's advisable to check maps or local information for designated parking spots near your chosen starting point.
Yes, nearby towns like Pontivy, just 14 km away, host markets and offer amenities such as cafes and restaurants. These towns can serve as excellent starting points or destinations for longer gravel rides, allowing you to refuel and experience local culture. Séglien itself, as a charming commune, may also have local establishments.
There are over 15 gravel bike trails available around Séglien, offering a wide range of experiences. These routes vary in difficulty and length, ensuring options for different skill levels and preferences.
One of the longer and more challenging routes is the Cascade Lock – Lock No. 138 of Bon Repos loop from Langoëlan, which spans 72.5 miles (116.6 km) and features significant elevation gain. This route is ideal for experienced riders looking for a full-day adventure.
While Séglien is a rural commune, public transport options in Brittany might connect to larger towns like Pontivy. From there, you might need to cycle to reach specific trailheads. It's recommended to research local bus or train services to Pontivy or other nearby hubs and plan your route accordingly, considering bike transport policies.


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