4.5
(46)
311
riders
28
rides
Gravel biking around Blain is defined by its diverse terrain, historic waterways, and expansive forests. The region features extensive towpaths along the Nantes to Brest Canal and the Isac River, offering flat and scenic routes. Further inland, the Forests of Gâvre and Groulais provide natural settings with varied trails. This mix of surfaces, from mostly paved sections to natural trails, ensures a wide range of options for gravel bikers.
Last updated: May 6, 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.
10
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.
4.5
(6)
14
riders
32.8km
01:52
170m
170m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
7
riders
34.2km
02:02
80m
80m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Blain
After a few kilometers, a relaxing, refreshing atmosphere and off we go again
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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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Perfect for a canalside bivouac. Accessible by road to meet up with friends in a van.
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A friendly place for a break with a pleasant view
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Lock number 9. Here, the canal meets a wilder branch of the Isac. A little further on, you can even drive INTO the Isac (see photo).
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Beautiful lock house with small restaurant. This is lock number 8 from Nantes.
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Lock number 10. Very friendly welcome at the lock house, which offers drinks, ice creams, etc. And the terrace under the trees is really nice.
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There are over 20 dedicated no-traffic gravel bike trails around Blain, offering a diverse range of experiences. These include 9 easy, 8 moderate, and 5 difficult routes, ensuring options for all skill levels.
The no-traffic gravel bike trails in Blain offer a varied terrain. You'll find extensive towpaths along the Nantes to Brest Canal and Isac River, which are generally flat and picturesque. Additionally, routes venture into the Forests of Gâvre and Groulais, providing more natural, wooded trails with varied surfaces. Expect a mix of mostly paved sections and natural gravel paths.
Yes, Blain offers several easy, no-traffic gravel bike routes perfect for families. These trails often follow the flat towpaths of the Nantes to Brest Canal, providing a safe and scenic environment away from cars. A great option is the Paudais lock – Port of Blain loop from Blain, which is an easy 26.3 km (16.3 miles) route.
For experienced riders seeking a challenge, Blain has several difficult no-traffic gravel bike trails. These routes often combine canal paths with more technical sections through wooded areas. Consider the Social Ride of Monkey Bike Bar, a demanding 73.9 km (45.9 miles) trail, or the Gravel ride around Blain, which spans 70.2 km (43.6 miles) and explores diverse landscapes.
Many no-traffic gravel bike routes in Blain pass by notable landmarks and natural features. You can explore historic sites like the Château de la Groulais or the La Magdelaine Chapel in Iff. Natural highlights include the View of the Isac dam and the Nantes-Brest canal from Bout du Bois and the L'Isac dam on the Nantes-Brest canal. The routes also offer scenic views of the Nantes to Brest Canal and the Isac River, often winding through the Forests of Gâvre and Groulais.
Yes, many of the no-traffic gravel bike routes around Blain are designed as loops, allowing you to start and end at the same point. For example, the Lock 11 — La Prée – Port of Blain loop from Blain is a moderate 34.2 km (21.2 miles) circular route, and the Château de la Groulais – Paudais lock loop from Blain offers a longer, moderate 67.9 km (42.2 miles) ride.
The no-traffic gravel bike trails in Blain are highly rated by the komoot community, with an average score of 4.5 stars from 28 ratings. Reviewers often praise the peacefulness of the car-free routes, the picturesque scenery along the Nantes to Brest Canal, and the diverse terrain that caters to various skill levels, from relaxed towpath rides to more challenging forest trails.
Blain offers enjoyable gravel biking conditions for much of the year. Spring and autumn provide pleasant temperatures and beautiful scenery, with changing foliage in the forests. Summer is also popular, especially for rides along the shaded canal paths. While winter can be ridden, some natural trails might be muddier, so canal towpaths remain a good option.
Absolutely! Blain is well-suited for beginners with several easy, no-traffic gravel bike paths. These routes typically follow the flat and well-maintained towpaths of the Nantes to Brest Canal, offering a gentle introduction to gravel biking. The Paudais lock – Port of Blain loop from Blain is an excellent easy option, covering 26.3 km (16.3 miles) with minimal elevation gain.
Yes, many of Blain's no-traffic gravel bike routes are designed to showcase the region's diverse landscapes, often combining the tranquil canal towpaths with the natural trails of the Forests of Gâvre and Groulais. This mix provides varied riding experiences and scenic contrasts, moving from open waterways to shaded woodlands. The Château de la Groulais – Paudais lock loop from Blain is a good example of a route that blends these elements.


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