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France
Pays de la Loire
Saint-Nazaire

Prinquiau

The best MTB trails around Prinquiau

4.4

(342)

1,605

riders

90

rides

Mountain biking around Prinquiau offers diverse terrain, blending the elevated Sillon de Bretagne with the expansive Loire marshes. This region provides varied landscapes, from gentle inclines and panoramic views over the Loire River to flat, serene wetlands. Proximity to the Brière Regional Natural Park further enhances the experience with extensive marshlands and wooded sections. The area features a mix of cycle paths and singletrack, catering to different skill levels.

Best mountain bike trails around Prinquiau

  • The most popular mountain bike…

Last updated: October 7, 2026

4.8

(12)

160

riders

#1.

Boitouze Trail – Mabille Valley Lake loop from Prinquiau

38.4km

02:35

310m

310m

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

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Moderate

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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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. Great for any fitness level. Advanced riding skills necessary.

Moderate
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Tips from the Community

Fred
August 30, 2026, View of the Countryside

View of the Loire Valley

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Fred
August 30, 2026, Lac de Savenay

The Lac de la Vallée Mabille, or Lac de Savenay, is a beautiful artificial reservoir that is worth a small detour. By bike, you can easily cycle around the southern part (south of the road) via a wide and well-maintained wooded path. On the other hand, the northern part, wilder and quite rugged, is more suited for hiking than cycling. Crossing at the level of the dam is possible thanks to a footbridge.

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even if it requires a detour (about 300 meters) the view is magnificent

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One of the 5 semaphores on the estuary created by the artist Vincent Mauger. Beautiful view of the meadow and the Taillée canal. Unfortunately positioned too far from the river. Undoubtedly more spectacular during periods of flooding and at high tide.

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Lucy
November 25, 2023, Lac de Savenay

This lake is otherwise called the Mabille valley lake. It is an artificial lake. Access to the leisure center is free. The activities offered here are: picnic on the bank, play areas for the youngest, fishing.

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Lucy
November 25, 2023, Le Trou Bleu

The “Blue Hole” brings together three old granite quarries, at a place called “La Garenne”, on the road to Donges. They were formerly located on the banks of the Loire. They filled naturally with water after their operation ended in 1980. Its name is due to the blue color of the water.

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Built in 1855, the Maison du Port housed a café and a hotel, at a time when, thanks to the development of the port, it was frequented by seafarers.

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The Lac de la Vallée Mabille is an ideal place to run. The tracks are impeccable thanks in particular to the GR3 which runs along its banks.

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Frequently Asked Questions

How many mountain bike trails are available in Prinquiau?

Prinquiau offers a wide selection of mountain bike trails, with over 75 routes to explore. These include 38 easy trails and 37 moderate trails, catering to various skill levels.

What kind of terrain can I expect on mountain bike trails in Prinquiau?

Mountain biking in Prinquiau features diverse terrain, blending the elevated Sillon de Bretagne with the expansive Loire marshes. You'll find a mix of gentle inclines, panoramic views over the Loire River, and flat, serene wetlands. The area includes wooded sections, cycle paths, and technical singletrack, offering varied experiences.

Are there easy mountain bike trails suitable for beginners in Prinquiau?

Yes, Prinquiau has 38 easy mountain bike trails, making it a great destination for beginners or those looking for a more relaxed ride. One notable option is the 7.6 km loop of the Sentier de l'Escurays à Boitouze, which is explicitly suitable for mountain biking and has moderate elevation gain.

What natural landmarks or points of interest can I see while mountain biking in Prinquiau?

While mountain biking in Prinquiau, you can explore several natural and historical points of interest. The Domaine de l'Escurays offers a 25-hectare wooded park surrounding a historic medieval manor. You can also ride through the serene Bois de Boitouze. Additionally, nearby attractions include the Rozé Port and Viewpoint and the Ruins of the Château de Lorieux.

Are there any circular mountain bike routes in Prinquiau?

Yes, many routes in Prinquiau are designed as loops. For instance, the Sentier de l'Escurays à Boitouze is a well-known 7.6 km circular trail. On komoot, you can find routes like the Mabille Valley Lake – Mabille Valley Lake loop from Prinquiau, which offers a moderate 36.4 km ride.

What is the best time of year to go mountain biking in Prinquiau?

Prinquiau's diverse landscapes are enjoyable throughout much of the year. Spring and autumn generally offer pleasant temperatures and vibrant scenery. While the Bois de Boitouze is accessible, caution is advised during hunting periods, typically in autumn and winter. The varied terrain, from wooded paths to open landscapes, means conditions can change with the seasons.

What do other mountain bikers say about the trails in Prinquiau?

The mountain bike trails around Prinquiau are highly regarded by the komoot community, with an average rating of 4.3 out of 5 stars from over 200 reviews. Many riders appreciate the varied terrain, which includes both challenging technical sections and serene wooded areas, as well as the scenic beauty of the region.

Are there family-friendly mountain bike trails in Prinquiau?

Yes, Prinquiau offers several family-friendly options, particularly among its 38 easy trails. The Sentier de l'Escurays à Boitouze is an easy 7.6 km loop that is suitable for families, providing an immersive experience through varied terrain with moderate elevation.

Can I bring my dog on the mountain bike trails in Prinquiau?

While specific regulations for dogs on mountain bike trails in Prinquiau are not universally posted, many natural areas in France allow dogs on leash. It's always best to check local signage at trailheads or the specific rules for parks like the Domaine de l'Escurays or Bois de Boitouze to ensure a pleasant experience for everyone.

Where can I find parking for mountain bike trails in Prinquiau?

Parking is generally available near trailheads and popular starting points for mountain bike routes in Prinquiau. For instance, if you plan to ride the Sentier de l'Escurays à Boitouze, you can typically find parking facilities close to the Domaine de l'Escurays. For other routes, starting points in towns like Prinquiau or Savenay often have public parking options.

Are there any trails with scenic viewpoints in Prinquiau?

Yes, the region around Prinquiau offers routes with scenic viewpoints. The elevated Sillon de Bretagne provides panoramic views, including vistas over the Loire River. While specific viewpoint trails are not explicitly named, many routes, such as the Creek Downhill/mountain – Pâquelais Mill loop from Savenay, traverse varied landscapes that offer picturesque scenery throughout your ride.

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