4.8
(12)
125
riders
7
rides
Gravel biking around Forêt de Duault explores dense woodlands and varied terrains in Brittany, France. The region is characterized by its extensive forest landscapes and varied topography, including areas with significant elevation changes. Cyclists encounter paths traversing granite blocks and follow the Hyères river, a tributary of the Aulne. The landscape provides a mix of challenging and scenic trails suitable for gravel biking.
Last updated: July 1, 2026
4.7
(6)
43
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
16
riders
176km
11:00
1,540m
1,530m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
36
riders
159km
08:30
1,090m
1,090m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
13
riders
136km
08:15
980m
980m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
6
riders
124km
07:30
1,020m
1,020m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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We are well in the shade, a well-maintained path
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A pretty iron bridge, built for farmers at the time. Here the path along the water was in a bad state in April 2026 (a warning was installed on one side of the section, but a detour through the forest is possible).
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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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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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Forêt de Duault offers a diverse range of terrains perfect for gravel biking. You'll find paths winding through dense wooded areas, smaller roads, and natural trails. The region is also characterized by massive granite blocks and ancient megalithic sites, providing a varied and engaging riding experience.
Yes, the Forêt de Duault area provides options for various skill levels. While many routes are challenging, such as the difficult Quistinic lock – Kerdiston lake loop from Callac, there are also moderate options like the Church of Pulat Plestivien loop from Bulat-Pestivien, which is 18.0 km long and takes about 1 hour 18 minutes.
Forêt de Duault is rich in history and natural beauty. You can encounter impressive megalithic sites like the Menhirs jumeaux, the towering Dent de St-Servais, and the Allée couverte de Goaremon. The Rocher de l'Ermite also offers panoramic views and unique rock formations. The Hyères river, a tributary of the Aulne, also originates within the forest.
Yes, Forêt de Duault features several longer routes for experienced gravel bikers. For instance, the Bon-Repos Abbey – Lock No. 138 of Bon Repos loop from Carnoët-Locarn is a challenging 132.3 km ride, typically taking over 9 hours to complete. Another option is the Lock No. 138 of Bon Repos – Bon Repos Abbey loop from Toulhuit, which spans 105.8 km.
The routes in Forêt de Duault are highly regarded by the komoot community, with an average score of 4.7 stars from over 9 reviews. More than 60 gravel bikers have used komoot to explore the varied terrain, often praising the dense woodlands and the blend of challenging and scenic trails.
Yes, many of the gravel routes in Forêt de Duault are designed as loops, allowing you to start and finish in the same location. Examples include the Quistinic lock – Kerdiston lake loop from Callac and the Church of Pulat Plestivien loop from Bulat-Pestivien.
While some routes are quite challenging, the varied terrain of Forêt de Duault means there are likely sections or shorter, less technical paths that could be suitable for families. For specific family-friendly options, look for routes marked as 'moderate' or 'easy' if available, and always check the route details for elevation and surface type.
Brittany generally offers pleasant conditions for outdoor activities. Spring and autumn often provide cooler temperatures and beautiful scenery, ideal for gravel biking. Summer can also be enjoyable, especially within the shaded forest paths. Always check local weather forecasts before heading out.
Yes, the Forêt Départementale du Beffou is another beautiful nearby forest spanning 611 hectares. It features an pond, a covered alley, and a high point with views of the Monts d'Arrée, offering additional opportunities for gravel biking and exploration.
For broader information on outdoor and nature activities, including gravel biking, in the Brittany region, you can visit the official Brittany Tourism website: brittanytourism.com. They also have specific articles on gravel routes: 6 gravel bike routes to track down in Brittany.
Yes, several routes incorporate the historic Bon Repos Abbey. You can explore the area on the Lock No. 138 of Bon Repos – Bon Repos Abbey loop from Toulhuit or the Bon Repos Abbey – Lock No. 138 of Bon Repos loop from Lanhellen Vras, which is a difficult 42.3 km route.


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