4.2
(94)
390
riders
80
rides
Mountain biking around Forêt de Princé offers a network of trails through dense woodlands and gently rolling terrain. The region, situated near Saint-Nazaire, is characterized by extensive forest cover and relatively low elevation gains. It features a mix of forest paths, open areas, farmlands, and small villages, providing varied scenery for mountain bikers. This environment makes it suitable for longer, less strenuous rides, with options for different fitness levels.
Last updated: May 25, 2026
3.8
(6)
41
riders
33.6km
02:26
120m
120m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.8
(5)
5
riders
21.1km
01:29
70m
70m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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4.0
(2)
5
riders
27.4km
01:49
200m
200m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
3
riders
17.0km
01:12
110m
110m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
5.0
(4)
16
riders
38.2km
02:31
190m
190m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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choose a wet season to increase the difficulty 👍
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I couldn't shake the stone, but you can try :-) Peaceful site on the banks of the Acheneau River. Wet in wet weather.
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Very nice course, fairly flat but great mountain biking course right to left, course to redo because it is really open to discovery.
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Always accessible from the town of Cheix-en-Retz. But be careful, the next part of the circuit can be flooded in winter.
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Not found where to go up to make it move, but I'll try another time :-)
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The Trembling Stone, perhaps a vestige of a megalith, is today lying on the banks of the Acheneau. This very large stone trembles when you climb to a specific place, hence its name the trembling stone.
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There are over 70 mountain bike trails available in Forêt de Princé, offering a wide range of options for different skill levels and preferences.
The trails in Forêt de Princé are predominantly easy to moderate. There are 35 easy routes, 40 moderate routes, and 3 more challenging options, making it accessible for most riders.
Yes, Forêt de Princé offers 35 easy mountain bike trails perfect for beginners. A good option to start with is The Trembling Stone loop from Rouans, which is 16.9 km long and features gentle terrain.
The longest mountain bike trail in the area is In the shade of the oaks loop from Arthon-en-Retz, spanning 37.7 km. This moderate route winds through extensive oak forests.
Yes, many of the trails in Forêt de Princé are circular. For example, the popular The Trembling Stone – Le bâteau-mou loop from Rouans is a 35.3 km circular route that explores the forest's interior.
The mountain bike trails in Forêt de Princé are highly rated by the komoot community, with an average score of 4.2 stars from over 100 reviews. Riders often praise the dense woodlands, varied terrain, and the peaceful atmosphere of the routes.
The region's gently rolling terrain and extensive forest cover make it suitable for mountain biking throughout much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery, while the dense tree cover can provide shade during warmer summer months.
While most trails are easy to moderate, there are 3 routes classified as difficult for those seeking more of a challenge. These routes typically feature steeper climbs or more technical sections within the forest.
Yes, with 35 easy routes and relatively low elevation gains, Forêt de Princé is well-suited for family mountain biking. Trails like The Trembling Stone loop from Rouans offer manageable distances and gentle paths for riders of all ages.
Parking is generally available at various trailheads and access points around the Forêt de Princé. Specific parking information can often be found on individual route pages or local signage near the forest entrances.
While the forest itself is primarily natural, you'll find cafes and restaurants in the nearby towns and villages surrounding Forêt de Princé, such as Rouans, Arthon-en-Retz, and Chéméré, which are convenient for a post-ride meal or coffee.
You can expect a diverse landscape featuring dense woodlands, extensive forest cover, and a mix of forest paths and open areas. The terrain is generally gently rolling with relatively low elevation gains, offering varied scenery throughout your ride.


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