4.4
(40)
292
riders
41
rides
Gravel biking around La Grigonnais offers access to the diverse landscapes of the Loire-Atlantique department in western France. The region is characterized by river banks, extensive marshlands, and varied countryside, including bocage landscapes and lush undergrowth. A network of cycle paths, including towpaths and natural terrain, provides numerous opportunities for gravel cyclists. The area features a mix of mostly paved surfaces and natural terrain, suitable for different skill levels.
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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4.5
(4)
33
riders
78.4km
03:58
170m
170m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(2)
35
riders
50.1km
02:26
90m
90m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(6)
35
riders
47.0km
02:17
70m
70m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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These numerous locks break the monotony that can sometimes set in during a long outing.
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After a few kilometers, a relaxing, refreshing atmosphere and off we go again
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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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A friendly place for a break with a pleasant view
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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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14th lock from Nantes. This one is separated from the spillway by an island. There's also a beautiful stone bridge.
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There are over 45 gravel bike trails available around La Grigonnais, offering a wide range of options for different skill levels and preferences.
Gravel biking in La Grigonnais takes you through diverse landscapes, including traditional bocage (small fields enclosed by hedges), lush undergrowth, and paths alongside the Pirudel Stream. You'll encounter a mix of dedicated gravel paths ('chemins gravillonés') and some paved sections, showcasing the region's natural beauty.
Yes, La Grigonnais offers 9 easy gravel bike routes. These trails are generally less demanding, making them suitable for beginners or families looking for a relaxed ride. The region's varied terrain also includes routes like the 'Sentier du Pirudel', which is described as suitable for 'sporty families' due to its mixed landscapes.
Many routes offer glimpses into the region's heritage and natural beauty. You might pass by historical sites such as a traditional calvaire or an ancient bread oven, especially along the Pirudel Trail. Other notable attractions nearby include the Château de la Groulais and the View of the Isac dam and the Nantes-Brest canal from Bout du Bois.
The gravel bike routes around La Grigonnais are highly rated by the komoot community, with an average score of 4.6 stars from over 40 reviews. More than 300 gravel bikers have explored the area, often praising the varied terrain and scenic beauty.
Yes, there are several circular routes available. A popular moderate option is the Lock 11 — La Prée – Port of Blain loop from La Chevallerais, which is about 36.4 km long and typically takes around 2 hours 15 minutes to complete.
La Grigonnais offers pleasant conditions for gravel biking throughout much of the year. The fresh and pleasant undergrowth along routes like the Pirudel Stream is particularly enjoyable in summer. However, the diverse landscapes, including bocage and woods, provide scenic rides in spring and autumn as well.
Absolutely. For experienced riders seeking a challenge, there are 10 difficult routes available. One such route is the Gravel ride around Blain, which covers 70.2 km and features a challenging climb and descent profile.
Yes, La Grigonnais offers several longer routes. For example, the Haie Pacoret Lock – Rabinière lock loop from Le Gâvre is a moderate 77.4 km trail, perfect for a longer day out on your gravel bike.
The gravel paths, or 'chemins gravillonés', vary. While some routes might include 'mostly paved surfaces', you'll also find authentic off-road experiences through scenic trails. The region's commitment to environmental protection ensures well-preserved landscapes and diverse surfaces.
Yes, the region is characterized by river banks and marshlands. The 'Sentier du Pirudel' specifically follows the Pirudel stream, guiding you through fresh undergrowth and offering a pleasant ride alongside water. The communal pond, fed by springs, also provides a tranquil spot.
Elevation gain varies significantly by route difficulty. Easier routes might have minimal elevation, while more difficult ones, like the Social Ride of Monkey Bike Bar (73.9 km), can feature significant ascents, reaching over 320 meters of elevation gain.


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