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Gravel rides
France
Pays de la Loire
Châteaubriant-Ancenis

Casson

The best gravel rides around Casson

4.4

(188)

1,169

riders

105

rides

Gravel biking around Casson offers routes through a landscape characterized by waterways, including canals and river valleys, with varied terrain suitable for gravel bikes. The region features a network of paths along the Erdre River and its tributaries, providing a mix of flat sections and gentle ascents. Riders can expect to encounter towpaths, rural roads, and forested areas. This environment provides diverse gravel riding experiences for various skill levels.

Best gravel bike trails around Casson

  • The most popular gravel bike trail is Lock 11 — La Prée – Port of Blain loop from Écluse de la Rabinière, a 26.9 miles (43.3 km) trail that takes 2 hours 40 minutes to complete. This route features sections along the canal, offering a scenic and relatively flat ride.
  • Another top favourite among local gravel bikers is Tindière Lock – Rabinière lock loop from Casson, an easy 23.8 miles (38.3 km) path. This loop provides a pleasant ride through the local countryside, connecting various locks and offering views of the waterways.
  • Local gravel bikers also love the Quay at Sucé-sur-Erdre – Sucé sur Erdre bridge and port loop from Grandchamp-des-Fontaines, a 30.6 miles (49.3 km) trail leading through the Erdre River valley, often completed in about 3 hours 10 minutes.
  • Gravel biking around Casson is defined by canal towpaths, riverine routes, and rural roads, offering a mix of surfaces. The network provides options for different ability levels, from easy loops to more challenging routes with moderate elevation gains.
  • The routes in Casson are highly rated by the komoot community with an average score of 4.6 stars from over 160 reviews. More than 1000 gravel bikers have used komoot to explore Casson's varied terrain.

Last updated: July 3, 2026

5.0

(6)

47

riders

#1.

Lock 11 — La Prée – Port of Blain loop from Écluse de la Rabinière

43.2km

02:04

60m

60m

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.

Hard

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Tips from the Community

Raphaël "1969"
June 20, 2026, Pont et port de Sucé sur Erdre

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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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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Frequently Asked Questions

How many gravel bike trails are available around Casson?

There are over 115 gravel bike trails around Casson listed on komoot, offering a wide variety of options for different preferences and skill levels.

What kind of terrain can I expect on gravel bike trails around Casson?

Gravel biking around Casson features a diverse landscape characterized by waterways, including canals and river valleys. You can expect a mix of surfaces, primarily canal towpaths, rural roads, and forested areas. The terrain ranges from relatively flat sections to routes with gentle to moderate ascents.

Are there easy gravel bike trails suitable for beginners or families in Casson?

Yes, Casson offers several easy gravel bike trails perfect for beginners or families. For example, the Tindière Lock – Rabinière lock loop from Casson is an easy 23.8-mile (38.3 km) path that provides a pleasant ride through the local countryside, connecting various locks and offering scenic waterway views.

What do other gravel bikers enjoy most about riding in Casson?

The gravel routes in Casson are highly rated by the komoot community, with an average score of 4.6 stars from over 160 reviews. Riders often praise the scenic canal towpaths, the peaceful riverine routes, and the varied terrain that provides engaging experiences for all skill levels.

Are there any circular gravel bike routes in Casson?

Yes, many of the gravel bike routes around Casson are loops. A popular option is the Lock 11 — La Prée – Port of Blain loop from Écluse de la Rabinière, a 26.9-mile (43.3 km) trail that features sections along the canal, offering a scenic and relatively flat ride.

What are some challenging gravel routes for experienced riders in Casson?

For experienced riders seeking a challenge, routes like the Port of Nort-sur-Erdre – Sucé sur Erdre bridge and port loop from Grandchamp-des-Fontaines offer a more difficult experience. This 36.5-mile (58.7 km) route includes significant elevation changes, providing a demanding ride through the region's diverse landscapes.

What kind of elevation gain can I expect on gravel routes in Casson?

The elevation gain on gravel routes in Casson varies. While many routes along canals are relatively flat, others, especially those venturing into forested areas or river valleys, can have moderate to significant ascents. For instance, the Haut-Gesvres Castle – Dirt path loop from Grandchamp-des-Fontaines features an elevation gain of over 375 meters (1,230 feet).

What can I see along the gravel bike trails around Casson?

Along the gravel bike trails, you can explore various points of interest related to the region's waterways and natural beauty. Notable sights include the Sucé-sur-Erdre marina, the historic Tindière Lock, and the impressive L'Isac dam on the Nantes-Brest canal. You can also enjoy views from spots like the View of the Isac dam and the Nantes-Brest canal from Bout du Bois.

Are there routes that follow the Erdre River or other waterways?

Absolutely. Many routes in Casson are defined by their proximity to waterways. The Quay at Sucé-sur-Erdre – Sucé sur Erdre bridge and port loop from Grandchamp-des-Fontaines, for example, leads through the picturesque Erdre River valley, offering continuous views of the river and its surroundings.

Is parking available near the gravel bike trails in Casson?

While specific parking locations aren't detailed for every trailhead, you can generally find public parking in the towns and villages that serve as starting points for these routes, such as Casson itself, Grandchamp-des-Fontaines, or near popular locks and marinas.

What is the best season for gravel biking in Casson?

The varied terrain around Casson, including canal towpaths and rural roads, makes it generally suitable for gravel biking throughout much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery, while summer can be enjoyable, especially along shaded river sections. Winter conditions might require checking local weather for rain or colder temperatures.

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