4.6
(24)
227
riders
21
rides
Gravel biking around Mellionnec offers routes through the rural landscape of central Brittany, characterized by its network of canals, rivers, and dense woodlands. The region features rolling hills and varied terrain, providing a mix of challenging climbs and scenic paths. Gravel bike trails often follow the towpaths of the Nantes-Brest Canal and wind through forests, connecting historic sites and small villages. This area is ideal for exploring the natural and cultural heritage on two wheels.
Last updated: May 21, 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.
4.5
(6)
41
riders
39.1km
02:15
460m
460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3.5
(2)
27
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
20
riders
67.7km
03:41
580m
590m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
10
riders
57.1km
02:58
330m
330m
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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closely followed one another come the locks!
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Entrance into a small traditional stone village to access the covered market (unfortunately closed on the day of passage)
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Very nice lock along the canal
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There are over 19 gravel bike trails available around Mellionnec, offering a diverse range of experiences for cyclists. These include routes of varying difficulty, from moderate excursions to more advanced, longer distance gravel cycling routes.
Gravel biking around Mellionnec features routes through the rural landscape of central Brittany, characterized by its network of canals, rivers, and dense woodlands. You can expect rolling hills and varied terrain, with trails often following the towpaths of the Nantes-Brest Canal and winding through forests, connecting historic sites and small villages.
Yes, Mellionnec offers options for various ability levels. While many routes are moderate to difficult, there is at least one easy gravel bike trail available, making it possible for beginners to enjoy the region's scenery.
The routes in Mellionnec are highly rated by the komoot community, with an average score of 4.6 stars from more than 30 reviews. Over 280 gravel bikers have used komoot to explore Mellionnec's varied terrain, often praising the scenic canal sections and diverse landscapes.
Absolutely. Mellionnec is known for its longer, more challenging routes. For example, the Lock No. 138 of Bon Repos – Bon-Repos Abbey loop from Glomel is a difficult 75.0-mile (120.7 km) trail with significant elevation changes. Another long-distance option is the Cascade Lock – Lock No. 138 of Bon Repos loop from Langoëlan, which is 72.5 miles (116.6 km) and explores the Blavet valley.
Yes, many of the gravel bike routes around Mellionnec are designed as loops, allowing you to start and end at the same point. An example is the Bon-Repos Abbey – Lock No. 138 of Bon Repos loop from Gouarec, a 24.3-mile (39.1 km) trail that takes you through the historic Bon-Repos Abbey area and along the canal.
The gravel bike trails in Mellionnec often pass by significant historical and natural attractions. You can explore sites like Bon-Repos Abbey, the impressive The Glomel Cut, and various locks along the canal, such as the Gouarec Lock on the Nantes–Brest Canal.
Yes, there are several moderate routes perfect for a day trip. The Double écluse de Coat Natous – Lock No. 138 of Bon Repos loop from Plouguernével is a moderate 33.4-mile (53.7 km) trail that can be completed in about 3 hours. Another option is the Quistinic lock – Kerdiston lake loop from Rostrenen, a 27.8-mile (44.7 km) moderate route.
Mellionnec offers a mix of terrain, and while some routes are challenging, the presence of canal towpaths and easier sections makes it possible to find family-friendly options. Look for routes with less elevation gain and shorter distances, particularly those along the Nantes-Brest Canal, which tend to be flatter and more accessible.
While specific data isn't provided, Brittany generally enjoys mild weather. Spring and autumn often offer pleasant temperatures and fewer crowds, making them ideal for gravel biking. Summer can also be good, but it's advisable to start earlier in the day to avoid the midday heat.
Yes, the region is characterized by its network of canals and rivers. Many routes follow the Nantes-Brest Canal, and you can find trails that pass by lakes, such as the Quistinic lock – Kerdiston lake loop from Rostrenen, which includes Kerdiston lake.


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