4.3
(288)
1,553
riders
169
rides
Mountain bike trails around Casson navigate a landscape characterized by river valleys and forested areas. The region features a mix of flat sections along waterways and gentle climbs through woodlands. Mountain biking in Casson offers routes that traverse diverse terrain, including paths near water bodies and through natural forest settings. This provides varied experiences for mountain bikers seeking different levels of challenge.
Last updated: July 4, 2026
4.0
(6)
64
riders
45.1km
03:26
380m
380m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.7
(6)
17
riders
32.4km
02:23
190m
190m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.7
(3)
12
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.2
(9)
15
riders
29.0km
02:16
250m
250m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
9
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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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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Even at 6 a.m. super pleasant and very smooth
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At the end of Rue Étienne Sébert, hidden by an imposing wooded park, lies Haut-Gesvres Park, part of the Haut-Gesvres estate. A vast green space teeming with treasures, including: - A permanent orienteering course - A large children's play area - A botanical and historical trail In the welcoming and green setting of Haut-Gesvres Park, discover the Permanent Orienteering Course, a sports and leisure facility open to all. How to play? The goal is to find a certain number of markers depending on the course you wish to complete, using the orienteering maps downloadable below, or by scanning the QR code on the information board at the park entrance with your smartphone. A total of 7 different courses await you.
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The Gesvres Valley as I saw it between 2018 and 2019.
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Semi-urban trace at the gates of Nantes
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Superb body of water makes you want to stop there for a few moments
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Two Roman roads cross La Chapelle-sur-Erdre. That from Nantes to Nort-sur-Erdre is the most important. But there is also that of Ranzay in Mazaire. This small section shows the existence of a roadway used over the following centuries. It is the width of a cart: we can observe a furrow dug in the slabs on each side of the track.
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There are over 160 mountain bike trails around Casson. The majority, about 120, are moderate, with 47 easy routes and a couple of more difficult options for experienced riders.
Mountain bike trails in Casson feature a diverse landscape, including river valleys and forested areas. You'll find a mix of flat sections along waterways and gentle climbs through woodlands, offering varied experiences from river paths to open countryside.
Yes, Casson offers 47 easy mountain bike routes that are suitable for families. These trails typically feature less challenging terrain, making them ideal for riders of all ages and skill levels.
The trails in Casson are highly rated by the komoot community, with an average score of 4.4 stars from nearly 300 reviews. Riders often praise the varied terrain, including river paths and forested sections, and the network's options for different ability levels.
Yes, many of the mountain bike routes in Casson are circular. For example, the Forest Trail – The Gesvres Viaduct loop from Casson is a popular moderate circular route, as is the Plan d'Eau du Brossais – Savenay / Grand champs loop from Casson.
For longer rides, consider the Quay at Sucé-sur-Erdre – Sucé sur Erdre bridge and port loop from Grandchamp-des-Fontaines, which covers over 53 km. Another substantial option is the Forest Trail – The Gesvres Viaduct loop from Casson, spanning approximately 45 km.
Yes, several routes pass by interesting points. You might encounter the Sucé-sur-Erdre marina, the Tindière Lock, or enjoy a view of the Isac dam and the Nantes-Brest canal from Bout du Bois. The Port of Nort-sur-Erdre is also a notable spot.
The Sucé Bridge – Quay at Sucé-sur-Erdre loop from Casson is a great moderate option. It's about 30 km long and leads through picturesque riverine landscapes, often completed in around 2 hours.
Yes, many trails in Casson feature forested sections. The Natural walking – Forest Trail loop from Grandchamp-des-Fontaines is a good example, offering a substantial ride through woodlands.
The region's temperate weather generally allows for nearly year-round cycling. However, spring and autumn often provide the most comfortable temperatures and beautiful scenery, especially through the forested sections.


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