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France
Brittany
Saint-Brieuc

Plussulien

The best MTB trails around Plussulien

4.6

(81)

747

riders

44

rides

Mountain biking around Plussulien offers a diverse landscape characterized by undulating terrain, dense forests, and significant water features. The region is situated near Lac de Guerlédan, Brittany's largest artificial lake, and the historic Canal de Nantes à Brest, providing varied surfaces from gravel paths to more rugged trails. Challenging climbs, such as the Côte de Mûr-de-Bretagne, are also present, testing mountain bikers with steep gradients.

Best mountain bike trails around Plussulien

  • The most popular mountain bike trail is Magnificent viewpoint…

Last updated: June 21, 2026

4.5

(6)

113

riders

#1.

Lock No. 138 of Bon Repos – Bon-Repos Abbey loop from Bon Repos sur Blavet

56.1km

04:28

910m

910m

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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Hard

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

Easy
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Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard

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

Easy

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

Moderate
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Tips from the Community

Anne G
May 30, 2026, Ancien pont ferroviaire au-dessus du Daoulas

An imposing bridge from the old railway.

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A path often in the shade, well maintained.

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The reconstruction is great! But we left some parts in ruins, which preserves the character of an old building.

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Very beautiful walk between the Abbey of Bon Repos and the lily-covered paths. Beautiful moorland landscape.

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very nice walk

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Pierrick
October 5, 2024, Passage aménagé

No bikes allowed, dedicated to pedestrians and people with reduced mobility Another bike path between this passage and the cycle path

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View of the old Cistercian abbey from the 12th century.

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A very beautiful and very touristy place near the old monastery.

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Frequently Asked Questions

How many mountain bike trails are there around Plussulien?

The Plussulien area, particularly around Lac de Guerlédan and the Quénécan Forest, offers an extensive network of mountain bike trails. There are over 300 km of marked routes in the region, with 37 specific trails documented on komoot, catering to various skill levels.

Are there mountain bike trails for all skill levels in Plussulien?

Yes, the region provides a diverse range of trails. Out of the 37 routes available, 12 are rated as easy, 22 as moderate, and 3 as difficult. This variety ensures options for beginners, intermediate riders, and experienced mountain bikers seeking a challenge.

What interesting sights can I see while mountain biking near Plussulien?

Many mountain bike routes in the area pass by significant landmarks and natural features. You can explore historical sites like the Bon-Repos Abbey and the Lock No. 138 of Bon Repos along the Nantes-Brest Canal. Routes also offer stunning views of Lake Guerlédan and pass by the Guerlédan Dam. For a challenge, some trails approach the famous Côte de Mûr-de-Bretagne.

Are there family-friendly mountain bike trails near Plussulien?

Yes, there are several easy and moderate routes suitable for families. For instance, the Lock No. 138 of Bon Repos – Bon Repos Abbey loop from Bon Repos sur Blavet is an easy 16.8 km trail that follows the historic Canal de Nantes à Brest, offering a gentle ride through scenic surroundings.

Can I bring my dog on the mountain bike trails around Plussulien?

Generally, dogs are welcome on many of the natural trails in the Quénécan Forest and around Lac de Guerlédan, especially if kept on a leash. However, it's always advisable to check specific local regulations or signage for protected areas or private land sections you might encounter on your chosen route.

What is the best time of year for mountain biking in Plussulien?

The region is enjoyable for mountain biking throughout much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery, with fewer crowds. Summer is also popular, especially around Lac de Guerlédan, but can be busier. Winter riding is possible, though trails might be muddier, and some services may have reduced hours.

Are there many circular mountain bike routes in the Plussulien area?

Yes, many of the mountain bike trails around Plussulien are designed as circular loops, allowing you to start and finish at the same point. Examples include the Magnificent viewpoint – View of Lake Guerlédan loop from Caurel and the Bon Repos Abbey – Lock No. 138 of Bon Repos loop from Saint-Gelven.

Where can I park my car when mountain biking in Plussulien?

Designated parking areas are available at key access points around Lac de Guerlédan and within the Quénécan Forest, often near popular trailheads or villages like Caurel, Saint-Gelven, and Bon Repos sur Blavet. These spots provide convenient starting points for various routes.

Can I rent mountain bikes or get lessons in the Plussulien area?

Yes, the Guerlédan mountain bike resort, located near Lac de Guerlédan, offers mountain bike rentals. You can also find instructors there if you wish to refine your skills or get guidance on the local trails.

What do other mountain bikers enjoy most about mountain biking in Plussulien?

The area is highly rated by the komoot community, with an average score of 4.6 stars from over 80 reviews. Reviewers often praise the diverse landscape, including the undulating terrain, dense woodlands of the Quénécan Forest, and the scenic views of Lac de Guerlédan. The mix of challenging climbs and historical sites along the Nantes-Brest Canal is also frequently highlighted.

Are there any long-distance mountain bike routes in the region?

Yes, for those looking for longer rides, the area offers extensive options. The Guerlédan Trail – Guerlédan Dam loop from Saint-Gilles-Vieux-Marché is a moderate 69.5 km route that provides a comprehensive tour of the lake and surrounding forest.

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