4.4
(80)
589
riders
38
rides
Gravel biking around Petit-Mars, located in the Loire-Atlantique region of France, offers diverse terrain for outdoor enthusiasts. The area features a mix of paved and unpaved surfaces, providing varied landscapes that blend rural charm with natural settings. Cyclists can explore routes that traverse wild natural landscapes and waterways, characteristic of the broader regional landscape, including features like the Port de la Rivière and the Plan d'eau du Tertre Rouge. The terrain includes moderate ascensions and scenic trails suitable for different…
Last updated: November 3, 2026
5.0
(6)
52
riders
34.0km
01:38
50m
50m
Easy gravel ride. Mostly paved surfaces.
4.8
(4)
27
riders
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.

4.7
(6)
36
riders
82.3km
03:59
150m
150m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
5.0
(2)
21
riders
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
4.5
(4)
22
riders
46.6km
02:39
160m
160m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
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Probably the most ethical lock in the area. Everything is local, and the welcome is warm.
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Nicknamed the «pearl of the Erdre», the port of Sucé-sur-Erdre is an unmissable charming stopover where lively terraces and pleasure boats coexist in a green and peaceful setting. It is the ideal starting point for strolling along the quays or taking a trip on the water, to discover one of the most beautiful rivers in France.
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0
After a few kilometers, a relaxing, refreshing atmosphere and off we go again
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Even at 6 a.m. super pleasant and very smooth
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After a few kilometers, stopping at this guinguette is a pure pleasure of relaxation
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Very comfortable track to do, the trees provide shade and freshness, freshness also provided (on certain locks) to enjoy a very refreshing drink
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0
a nice pleasant path
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0
Very pretty, relaxing. Possibility of refueling by bike.
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0
There are over 40 gravel bike trails around Petit-Mars, offering a diverse range of options for cyclists. These routes cater to various skill levels, with 10 easy, 17 moderate, and 15 difficult trails to choose from.
The gravel bike routes in Petit-Mars feature a varied terrain, blending paved and unpaved surfaces. You'll encounter scenic trails through 'wild nature,' rural landscapes, and areas alongside waterways, characteristic of the Loire-Atlantique region. Expect moderate ascensions and diverse landscapes.
Yes, Petit-Mars offers several easy gravel bike trails perfect for beginners. One such route is the Tindière Lock – Rabinière lock loop from Casson, which is 38.3 km long and provides a gentle introduction to the region's gravel biking.
Many gravel routes in the Petit-Mars area pass by interesting landmarks and natural features. You might encounter the Sucé-sur-Erdre marina, the historic Tindière Lock, or the Port of Nort-sur-Erdre. Some trails also follow sections of the Old Railway Line from Treillières to La Chapelle-sur-Erdre.
Absolutely. For experienced riders seeking a challenge, the Sucé sur Erdre bridge and port – Oudon Keep loop from Sucé-sur-Erdre is a difficult 116.2 km trail that takes you through waterways and rural areas. Another challenging option is the Quay at Sucé-sur-Erdre – Haut-Gesvres Castle loop from Sucé-sur-Erdre, a 55.4 km path with significant elevation changes.
The gravel biking routes around Petit-Mars are highly rated by the komoot community, with an average score of 4.6 stars from over 80 reviews. Cyclists often praise the varied landscapes, the mix of paved and unpaved sections, and the opportunity to explore the region's rural charm and waterways.
Yes, many of the gravel bike routes around Petit-Mars 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 Écluse de la Rabinière is a popular 43.3 km circular trail.
While specific routes are not detailed to pass directly by all lakes, the region features several bodies of water. You can find highlights like the Vioreau Reservoir Dam and the Pond of Parc du Charbonneau in the broader area, suggesting opportunities to incorporate water views into your rides.
Petit-Mars offers enjoyable gravel biking throughout much of the year. The region's climate generally allows for pleasant riding conditions, though spring and autumn often provide the most comfortable temperatures and vibrant scenery. Always check local weather forecasts before heading out.
Yes, there are 17 moderate-difficulty gravel routes around Petit-Mars. A good example is the Lock 11 — La Prée – Paudais lock loop from Nort-sur-Erdre, a 77.5 km route that offers a balanced challenge with varied landscapes.
Petit-Mars and its surroundings are indeed known for their 'wild nature' and scenic trails. The routes are designed to take you through diverse landscapes, allowing you to experience the natural beauty and rural charm of the Loire-Atlantique region, often alongside waterways.


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