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France
Pays de la Loire
Châteaubriant-Ancenis

Petit-Mars

The best MTB trails around Petit-Mars

4.4

(188)

1,195

riders

89

rides

Mountain bike trails around Petit-Mars are characterized by the varied landscapes of the Erdre valley, offering a mix of marshlands, bocage, and riverside paths. The region features a network of trails, including the "Circuit des Marais," which provides opportunities to explore local wetlands. Terrain often includes sunken lanes and dirt roads, providing diverse riding conditions for mountain bikers. The proximity to the Canal de Nantes à Brest also offers accessible routes along its towpaths.

Best mountain bike trails around Petit-Mars

Last updated: May 7, 2026

5.0

(3)

47

riders

#1.

Tunnel Under the Road – La Ferrière loop from La Grée

46.4km

03:11

360m

360m

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate
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Tips from the Community

Daniel Richeboeuf
April 6, 2026, Launay

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Seb
December 2, 2025, Le mont Juillet

Calvary with a beautiful view

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Even at 6 a.m. super pleasant and very smooth

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Raphaël "1969"
September 8, 2025, Launay

Flat, quiet and relaxing path. You have to take advantage of it, there aren't many in the area.😅

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great ride

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nice viewpoint

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Damien Robic
August 6, 2025, Les arcades

Some arcades are more accessible due to ongoing repair work. A diversion has been put in place.

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Pierre G
July 6, 2025, La Ferrière

One of the best descents in the area!

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Frequently Asked Questions

What kind of mountain biking can I expect around Petit-Mars?

Mountain biking around Petit-Mars offers a diverse experience, characterized by the varied landscapes of the Erdre valley. You'll find a mix of marshlands, bocage, and riverside paths, with terrain often including sunken lanes and dirt roads. The region features a network of routes, including the "Circuit des Marais," which allows for exploration of local wetlands.

Are there mountain bike trails suitable for beginners in Petit-Mars?

Yes, Petit-Mars offers a good selection of trails for beginners. There are 21 easy routes available, providing accessible options for those new to mountain biking or looking for a more relaxed ride. These often follow towpaths along the Canal de Nantes à Brest or wind through less challenging terrain.

What are some scenic mountain bike routes in the Petit-Mars area?

For scenic rides, consider routes that explore the Erdre valley and its waterways. The Oudon Castle – Oudon Keep loop from Petit-Mars offers picturesque views as it winds through the valley. Another option is the Quay at Sucé-sur-Erdre – Singletrack in the forest loop from Saint-Mars-du-Désert, which takes you along the Erdre river.

Are there any loop trails for mountain biking around Petit-Mars?

Yes, many mountain bike routes in the Petit-Mars area are designed as loops. Examples include the Oudon Castle – Oudon Keep loop from Petit-Mars, which is a popular 46.5 km trail, and the Launay loop from Saint-Mars-du-Désert, a moderate 28.2 km route.

What landmarks or points of interest can I see while mountain biking near Petit-Mars?

While mountain biking near Petit-Mars, you can encounter several points of interest. Along the Erdre river, you might pass by the Sucé-sur-Erdre marina or the Port of Nort-sur-Erdre. Further afield, the Vioreau Reservoir Dam is another notable landmark. The region also features historical manors and mills, though these may not be directly on mountain bike trails.

What do other mountain bikers say about the trails in Petit-Mars?

The mountain bike trails around Petit-Mars are highly regarded by the komoot community, with an average rating of 4.5 stars from over 180 reviews. Riders often praise the varied terrain, the scenic beauty of the Erdre valley, and the network of trails that cater to different skill levels.

Are there any advanced or difficult mountain bike trails in Petit-Mars?

While the majority of trails in Petit-Mars are easy to moderate, there is at least one difficult route available for experienced mountain bikers seeking a greater challenge. The region's terrain, with its sunken lanes and varied landscapes, can offer technical sections even on moderate routes.

Can I find mountain bike routes that are less crowded around Petit-Mars?

Petit-Mars is not primarily known as a major mountain biking hub, so many of its trails, especially those away from popular riverside paths, tend to be less crowded. Exploring routes through the bocage landscape or lesser-known marshland circuits can offer a more solitary riding experience.

Are there mountain bike trails accessible by public transport in Petit-Mars?

While specific public transport links directly to trailheads for mountain biking are not extensively highlighted, the broader Loire-Atlantique region has public transport options. For routes along the Canal de Nantes à Brest, it may be possible to access starting points via local bus services that connect to nearby towns, though planning ahead is recommended.

What is the best time of year to go mountain biking in Petit-Mars?

The best time for mountain biking in Petit-Mars generally aligns with milder weather conditions. Spring and autumn offer pleasant temperatures and vibrant natural scenery, making them ideal. Summers can be warm, while winters might bring wetter conditions, especially in marshland areas, which could affect trail surfaces.

Are there any long-distance mountain bike routes starting near Petit-Mars?

Yes, several routes offer longer distances for extended rides. For example, the Tunnel Under the Road – La Ferrière loop from La Grée covers approximately 46.4 km, while the Sucé sur Erdre bridge and port – Descent of the pap loop from Saint-Mars-du-Désert is around 39.7 km, providing good options for longer excursions.

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