4.3
(270)
1,213
riders
99
rides
Mountain biking around La Pierre Attelée offers a unique experience within its coastal dune forest, one of the few in the Loire-Atlantique region. The terrain features a distinctive blend of shaded woodland paths and open coastal stretches, with dunes reaching up to 31 meters in height, creating a varied and engaging landscape for cyclists. This protected natural site is rich in biodiversity, providing picturesque backdrops for mountain bike trails that transition between forest and sea.
Last updated: July 5, 2026
4.6
(14)
16
riders
47.1km
03:00
290m
290m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
13
riders
20.5km
01:12
100m
100m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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5.0
(1)
7
riders
22.8km
01:13
70m
70m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
3.0
(1)
12
riders
11.5km
00:38
40m
40m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.5
(20)
107
riders
48.5km
02:49
310m
310m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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As its name suggests, this is the largest beach in Préfailles. Lively and supervised in the summer.
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Such a beautiful day. A very cool route. A bit lacking in signs. As for directions. But it's okay.
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This former fort currently houses the naval museum.
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Excellent mountain bike trails along the banks of these two magnificent lakes. Caution ⚠️ Sometimes flooded in winter!
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Not a very difficult circuit with beautiful passages on the Gatineaux and Gros Caillou ponds. The starting point can be from the charming port of St Michel chef chef
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I, who am not very comfortable in gusts of wind, admit that I have not yet dared to take the plunge.
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La Pierre Attelée offers a wide selection of mountain bike trails, with over 90 routes available. These range from easy rides to more moderate challenges, ensuring options for various skill levels.
The terrain is quite unique, characterized by a coastal dune forest with direct sea access. You'll experience a blend of shaded woodland paths and open coastal stretches. The dunes can reach up to 31 meters in height, creating a varied and engaging landscape that can feel quite hilly in some areas, transitioning between forest and sea.
Yes, La Pierre Attelée is an excellent destination for beginners and families. Many trails are described as 'easy' and suitable for those new to mountain biking. For example, the Tharon's Blue Fishing Hut – Mouton Beach loop from L'Ermitage is an easy 12.6 miles (20.3 km) path offering a blend of forest and coastal scenery.
While many routes are accessible, the region also offers moderate challenges. The 'hilly' nature of the dune forest provides engaging undulations. A good option for a more extensive ride is the Gatineaux Pond – Tharon's Blue Fishing Hut loop from L'Ermitage, a moderate 28.8 miles (46.4 km) trail with an elevation gain of approximately 268 meters.
You'll ride through a rare coastal dune forest, one of the few in the Loire-Atlantique region, offering direct access to the sea. The forest is rich in biodiversity, with various tree species like oak, holm oak, and pines. Keep an eye out for red squirrels, and enjoy picturesque views where the woodland meets the coast.
Yes, a notable historical landmark is the Pierre Attelée menhir, a megalith classified as a historical monument since 1978. This adds a unique cultural element to your ride, allowing you to combine physical activity with local history.
While specific parking areas for mountain bikers are not detailed in the provided data, as a popular outdoor destination, it is generally expected that parking facilities are available near trailheads or access points to the forest. It's advisable to check local signage upon arrival.
La Pierre Attelée can be enjoyed throughout much of the year. The coastal location means milder temperatures, but for the most pleasant experience, spring and autumn offer comfortable weather and beautiful scenery. Summer can also be great, especially with the refreshing sea air, but trails might be busier.
Yes, many of the routes in La Pierre Attelée are designed as loops, allowing you to start and finish at the same point. Examples include the Serpent of the Ocean – Serpent d'Océan loop from Pierres Couchées, which is 14.0 miles (22.5 km) long, and the Saint-Brévin l'Océan – Ocean Beach loop from Pierres Couchées, an easy 11.4 miles (18.4 km) route.
As a protected natural site and a dune forest, it's common for dogs to be permitted on trails, often requiring them to be on a leash to protect local wildlife and ensure the safety of other visitors. It's always best to check specific local regulations at the trailhead or on official park websites before your visit.
The mountain bike trails in La Pierre Attelée are highly rated by the komoot community, with an average score of 4.3 stars from over 250 reviews. More than 1000 mountain bikers have used komoot to explore the varied terrain, often praising the unique blend of forest and coastal scenery and the accessibility of the routes.
La Pierre Attelée is located in the Loire-Atlantique region, near towns like Saint-Brevin-les-Pins. These nearby towns offer various amenities, including cafes, restaurants, and accommodation options, making it convenient to find refreshments and lodging after your ride.
For those looking for a longer ride, the Canal Along the Loire Estuary – Serpent of the Ocean loop from Les Rochelets offers a moderate 23.5 miles (37.8 km) journey, providing an extended experience through the diverse landscapes of the region.


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