4.5
(417)
2,456
riders
139
rides
Gravel biking around Sucé-Sur-Erdre is characterized by its flat to gently rolling terrain along the Erdre River, often referred to as "the most beautiful river in France." The region features scenic river landscapes and "rives boisées" (wooded banks), providing a tranquil backdrop for outdoor activities. A significant natural highlight is the Plaines de Mazerolles, a classified natural area with rich wetlands and expansive views. This environment offers numerous no traffic gravel bike trails suitable for various skill levels.
Last updated: May 5, 2026
4.5
(6)
72
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(5)
24
riders
55.6km
03:51
520m
520m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(2)
20
riders
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
5
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
10
riders
96.8km
06:19
770m
770m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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You can pass only on one side. You can go up. But down is forbidden.
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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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a nice pleasant path
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Often going out at the end of the day to appreciate the landscape and this straight line
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Also known as the "basin," the port of Nort-sur-Erdre is a lively, historic neighborhood that's a great place to stop off. At the foot of the Saint-Georges Bridge, which separates the wild Erdre from the navigable Erdre, the marina is now a popular place for walking and fishing. Free Wi-Fi access near the Tourist Office Contact the harbor master's office for an extended stay; the first two nights are free. Open year-round Type of facility: Slipway - River stopover - Pontoon - Marina Payment methods: Bank and postal checks Access location: Nort-sur-Erdre train station: 1 km Languages spoken: French Facilities: Picnic area - Restrooms - Services - Playground
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The construction of Port Mulon Castle dates back to the 19th century. Of its various owners, it primarily preserves the memory of Prosper Coinquet. Born in 1825 in Nantes, Prosper Coinquet was mayor of Nort-sur-Erdre twice, from 1859 to 1874, and again from 1877 to 1892. He was also a general councilor for the Loire-Inférieure department from 1883 to 1887. This lawyer by training was also a great lover of the arts. He was himself a musician and poet. He composed numerous songs and waltzes that enjoyed considerable regional success. He dedicated one of his waltzes, simply titled "Le port Mulon," to his castle. Prosper Coinquet chaired or was a member of several musical and literary societies. It was therefore only natural that he decided to make the château the setting for evenings dedicated to the arts. Readings and concerts were held in the park or in the reception hall. Nantes artists invited to perform came by way of the Erdre River. The setting, its tranquil riverbank, and its magnificent park wooded with rare species, thus retain the imprint of the music that was performed there until 1892. That year, Prosper Coinquet died at home. Since 2006, music has once again resonated in the park's foliage. Indeed, at the end of June, the venue hosts the La Nuit de L'Erdre festival. Today, the Château de Port Mulon and its park are managed by the municipality of Nort-sur-Erdre. A reception hall can be rented from the town hall, whether for private or professional events. You can also take yoga classes at the château. As for the Nantes Atlantique improvisation league, it has made it its headquarters. Finally, since 2017, the place has become a coworking space whose success continues unabated. As for the park, it's a place where, in addition to enjoying its vast spaces and magnificent trees, you can indulge in an orienteering course. Twenty markers are scattered throughout, and by exploring them, you'll learn much more about the treasures it contains. During your stroll, you'll undoubtedly encounter riders who enjoy riding their horses there. And if, at nightfall, you spot the fluttering shadows of numerous bats, don't be surprised. For several years, the castle and grounds have been havens for these nocturnal animals.
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Sucé-sur-Erdre offers a wide selection of routes for gravel biking away from traffic. There are over 120 tours available, catering to various skill levels, with a good mix of easy, moderate, and difficult options.
The no-traffic gravel bike routes around Sucé-sur-Erdre offer a diverse range of difficulties. You'll find approximately 15 easy routes perfect for beginners or a relaxed ride, 64 moderate routes for those seeking a bit more challenge, and 41 difficult routes for experienced gravel bikers looking for a demanding adventure.
You can expect to encounter stunning natural landscapes, particularly along the Erdre River, often called 'the most beautiful river in France'. Many routes will take you through 'rives boisées' (wooded banks) and offer views of the expansive Plaine de Mazerolles, a classified natural area with rich wetlands. You might also pass by serene spots like Île Clémentine or Plessis Pond.
Yes, several quiet gravel routes pass by charming historical sites. You might cycle past impressive structures like La Gascherie Castle or Port Mulon Park and Castle. The town's own Port de plaisance (marina) is also a lovely spot for a break, offering a glimpse into local life.
The komoot community highly rates the gravel biking experience in Sucé-sur-Erdre, with an average score of 4.5 stars. Reviewers often praise the tranquil river landscapes, the extensive network of quiet paths, and the opportunity to explore the region's natural beauty and charming hamlets away from car traffic.
Yes, many of the gravel bike routes in the area are circular, allowing you to start and end in the same location without retracing your steps. An example is the 'Quay at Sucé-sur-Erdre – Haut-Gesvres Castle loop from Sucé-sur-Erdre' which offers a challenging ride, or the 'Tindière Lock – Rabinière lock loop from Casson' for an easier option.
The flat to gently rolling terrain along the Erdre River makes it enjoyable for gravel biking throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful scenery with changing foliage. Summer is also popular, especially for combining rides with water activities on the Erdre. Even winter can be suitable, though some paths might be muddier.
Absolutely. Many of the trails, particularly those along the riverbanks and through the Plaines de Mazerolles, are relatively flat and well-suited for family outings. Look for routes marked as 'easy' to ensure a comfortable experience for all ages. The 'Tindière Lock – Rabinière lock loop from Casson' is a good example of an easy route.
While many natural areas in France are dog-friendly, it's always best to check local regulations for specific trails, especially within classified natural zones like the Plaines de Mazerolles. Generally, dogs on a leash are welcome on public paths, but always ensure they do not disturb wildlife or other users.
Sucé-sur-Erdre and its surrounding towns often have public parking available, particularly near the Port de plaisance or other popular starting points for trails. For routes starting further afield, look for designated parking areas in smaller villages or near trailheads. Always check local signage for any restrictions.
Sucé-sur-Erdre is accessible by public transport, which can help you reach various starting points for gravel bike trails. Regional bus services connect Sucé-sur-Erdre with Nantes and other nearby towns. Check local transport schedules for routes that allow bikes, especially during off-peak hours.
Yes, for experienced riders seeking a longer and more challenging adventure, routes like the 'Port of Nort-sur-Erdre – Canal de Nantes à Brest loop from Sucé-sur-Erdre' offer over 100 km of riding with significant elevation gain, providing a demanding yet rewarding experience away from traffic.


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