4.5
(56)
430
riders
53
rides
Gravel biking in Forêt De La Groulaie features a diverse landscape well-suited for off-road cycling. The area is characterized by its extensive forest environment, providing varied terrain and natural settings. Routes often follow the historic Canal de Nantes à Brest, offering accessible paths alongside waterways and past picturesque locks. The region's topography includes gentle undulations, with hills under 200m, making it suitable for a range of gravel biking experiences.
Last updated: July 3, 2026
3.7
(3)
16
riders
73.9km
07:36
330m
330m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
13
riders
70.2km
07:20
300m
300m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.8
(6)
37
riders
37.1km
01:49
50m
50m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
10
riders
67.9km
04:02
310m
310m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(3)
4
riders
27.6km
01:37
70m
70m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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I went there once for a small repair. Very friendly welcome.
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Rolling and relatively wooded
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After a few kilometers, a relaxing, refreshing atmosphere and off we go again
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Stunning structure along the Nantes-Brest Canal. Can be used as a bikepacking shelter. Shops nearby.
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Very pretty, relaxing. Possibility of refueling by bike.
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Great spot for a short break or a long lunch. The welcome and menu are great!
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Great for a break, warm welcome, excellent food, and I had the opportunity to recharge my electric bike.
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This modern oratory symbolically replaced a large chapel, unfortunately destroyed during the Battle of Saint-Nazaire, which was on the other bank, on the Guenrouet side, occupied by the Germans. It is a very pleasant section of the Nantes-Brest Canal, much wilder due to its vegetation and the meandering river.
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Forêt De La Groulaie offers a wide selection of gravel biking routes, with over 50 trails to explore. These routes cater to various skill levels, including easy, moderate, and difficult options.
The terrain in Forêt De La Groulaie is diverse, featuring an extensive forest environment with varied natural settings. Many routes follow the historic Canal de Nantes à Brest, offering accessible paths alongside waterways. The region generally has gentle undulations, with hills typically under 200 meters, making it suitable for a range of gravel biking experiences.
Yes, Forêt De La Groulaie offers several routes suitable for families, particularly those that follow the Canal de Nantes à Brest. These paths are often easily accessible and provide a pleasant experience for different skill levels, including easier options. Look for routes described as 'easy' or 'moderate' for a more relaxed family outing.
A prominent historical landmark is the Château de la Groulais (also known as Château de Blain), a medieval fortress adjacent to the Canal de Nantes à Brest. Many routes incorporate this impressive 13th-century castle. You'll also encounter picturesque locks along the canal, such as Écluse n°11, Écluse du Terrier, Écluse du Gué de l'Atelier, and Écluse de la Remaudais, adding scenic interest to your rides.
Yes, there are several circular routes available. For example, the Château de la Groulais – Paudais lock loop from Saint-Emilien-de-Blain offers a moderate 42.9 km ride through the forest and alongside the Canal de Nantes à Brest. Another option is the Château de la Groulais – Paudais lock loop from Blain, which is a longer moderate loop.
In Blain, you'll find bike-friendly establishments such as the 'Monkey Bike Bar' located on the port. This spot often includes a bike shop (Cycles Riflet) at the back, making it a convenient stop for refreshments, repairs, or gear.
While gravel biking is enjoyable year-round, spring and autumn often offer the most pleasant conditions with milder temperatures and beautiful foliage. The forest environment provides good shade in summer, and many canal paths remain accessible in winter, though conditions may vary with rainfall.
Absolutely. Forêt De La Groulaie features several difficult routes for experienced riders. The Social Ride of Monkey Bike Bar is a challenging 73.9 km trail exploring the wider region around Blain, and the Gravel ride around Blain is another difficult 70.2 km path offering extensive riding through the countryside and forest.
The gravel biking routes in Forêt De La Groulaie are highly rated by the komoot community, with an average score of 4.6 stars from over 40 reviews. Riders often praise the varied terrain, the scenic paths along the Canal de Nantes à Brest, and the immersive forest environment.
As a natural forest environment, Forêt De La Groulaie offers opportunities for wildlife spotting. While specific sightings can vary, you might encounter various bird species, small mammals, and other forest creatures, especially on quieter sections of the trails away from more populated areas.
Yes, there are several moderate routes that provide a great experience. The Château de la Groulais – Port of Blain loop from Blain is a moderate 61.5 km route that combines historical sights with scenic paths. These routes are ideal for those looking for a longer ride without extreme difficulty.


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