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France
Brittany
Guingamp

Lac De Guerledan

The best MTB trails around Lac De Guerledan

4.4

(119)

1,062

riders

52

rides

Mountain biking around Lac De Guerledan offers a diverse landscape centered around Brittany's largest artificial lake. The region features undulating terrain with steep-sided valleys, wooded ridges, and extensive areas of moors and gorse, particularly within the vast Quénécan Forest. Riders can expect a mix of water, forest, heathland, and pasture environments, providing varied technical sections and elevation changes. The area is characterized by a "small mountain"-like topography, offering a dynamic backdrop for mountain bike trails.

Best mountain bike trails around Lac De Guerledan

  • The most popular mountain bike trail is View of Lake Guerlédan – Magnificent viewpoint loop from Caurel, a 9.4 miles (15.1 km) trail that takes 1 hour 18 minutes to complete. This route offers magnificent viewpoints overlooking the lake.
  • Another top favourite among local mountain bikers is Brittany wall – Côte de Mûr-de-Bretagne loop from Saint-Aignan, an easy 6.7 miles (10.9 km) path. This trail includes the challenging Côte de Mûr-de-Bretagne, known for its significant gradients.
  • Local mountain bikers also love the Bon Repos Abbey – Lock No. 138 of Bon Repos loop from Saint-Gelven, a 17.1 miles (27.5 km) trail leading through natural beauty and past the historic Bon Repos Abbey, often completed in about 1 hour 52 minutes.
  • Mountain biking around Lac De Guerledan is defined by the extensive Quénécan Forest, undulating terrain, and sections along the Nantes-Brest Canal. The network offers options for various ability levels, from easy rides to challenging routes with technical sections.
  • The routes in Lac De Guerledan are highly rated by the komoot community with an average score of 4.6 stars from more than 80 reviews. More than 800 mountain bikers have used komoot to explore Lac De Guerledan's varied terrain.

Last updated: July 17, 2026

5.0

(1)

9

riders

#1.

Landroannec Cove – Guerlédan Lake and Beach loop from Saint-Aignan

10.5km

00:43

110m

110m

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

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Easy

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

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

Easy

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

Easy

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

Hard
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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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This climb is often used by cycling races, particularly the Tour de France. A fairly long climb (2.2 km) with a very steep first section. Average gradient of 6.55% with a maximum of 15%. https://profils.cols-cyclisme.com/2811.svg

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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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Don’t attack too hard at the start!

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Well-known to Breton cyclists, the Côte de Mûr-de-Bretagne has become a classic of the Tour de France, with its characteristic straight climb. Although short, it can get your thighs burning with more than 500 meters at over 10% and a peak at over 13%.

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Frequently Asked Questions

How many mountain bike trails are there around Lac De Guerledan?

There are over 45 mountain bike trails listed on komoot around Lac De Guerledan. The region itself boasts an extensive network of over 300 kilometers of marked trails, catering to all skill levels from beginners to experienced riders.

Are there mountain bike trails suitable for beginners or families?

Yes, Lac De Guerledan offers a good selection of trails for beginners and families. On komoot, you'll find 14 easy-rated mountain bike routes. These trails provide a gentle introduction to the region's diverse landscapes. An example of an easy path is the Brittany wall – Côte de Mûr-de-Bretagne loop from Saint-Aignan, which is 6.7 miles (10.9 km) long.

What kind of terrain can I expect on mountain bike trails in Lac De Guerledan?

The terrain around Lac De Guerledan is characterized by its 'small mountain'-like topography, featuring undulating landscapes with steep-sided valleys, wooded ridges, and extensive areas of moors and gorse, especially within the vast Quénécan Forest. You'll encounter a mix of water, forest, heathland, and pasture environments, with trails offering varied technical sections and elevation changes.

Are there any circular mountain bike routes around Lac De Guerledan?

Yes, many of the mountain bike trails around Lac De Guerledan are designed as loops, allowing you to start and finish at the same point. For example, the popular View of Lake Guerlédan – Magnificent viewpoint loop from Caurel offers stunning lake views, and the Bon Repos Abbey – Lock No. 138 of Bon Repos loop from Saint-Gelven combines natural beauty with historical sites.

What are some notable landmarks or attractions I can see while mountain biking?

The region is rich in natural and historical attractions. You can ride past the historic Bon Repos Abbey, explore sections of the Nantes-Brest Canal with its lock system, or visit the impressive Guerlédan Dam. The trails also offer numerous scenic viewpoints overlooking the lake, such as those found on the View of Lake Guerlédan loops.

Can I rent mountain bikes near Lac De Guerledan?

Yes, the dedicated mountain bike base in the Lac De Guerledan area provides services such as bike rentals, including electric-assist bikes. This makes it convenient for visitors who don't bring their own equipment to explore the trails.

What do other mountain bikers enjoy most about the trails in Lac De Guerledan?

The mountain bike routes in Lac De Guerledan are highly rated by the komoot community, with an average score of 4.6 stars from over 80 reviews. Riders often praise the diverse landscapes, the extensive Quénécan Forest, and the variety of trails that cater to different skill levels, from easy rides to challenging technical sections.

Are there any challenging mountain bike trails for advanced riders?

Absolutely. Lac De Guerledan offers several challenging routes for experienced mountain bikers. The region's undulating terrain includes significant elevation changes and technical sections, such as rocky portions and singletracks. A notable difficult route is the Magnificent viewpoint – View of Lake Guerlédan loop from Caurel, which spans 55.3 km with over 930m of elevation gain.

Is it possible to mountain bike along the Nantes-Brest Canal?

Yes, sections of the historic Nantes-Brest Canal run alongside Lac De Guerledan, offering pleasant cycling paths. These towpaths typically have a gravel surface suitable for mountain bikes and provide a flatter alternative to the more undulating forest trails, allowing you to explore the canal's lock system.

What is the best time of year to go mountain biking in Lac De Guerledan?

The region's diverse landscapes can be enjoyed throughout much of the year. Spring and autumn generally offer pleasant temperatures and vibrant scenery, with the Quénécan Forest displaying beautiful colors. Summer is also popular, though trails might be busier. It's always a good idea to check local weather conditions before heading out.

Are there places to eat or drink near the mountain bike trails?

While specific cafes or pubs directly on every trail are not listed, the villages and towns surrounding Lac De Guerledan, such as Caurel, Saint-Aignan, and Saint-Gelven, offer amenities where you can find places to eat and drink. The beaches and coves like Beau Rivage and Sordan Cove also serve as popular spots for relaxation and often have facilities nearby.

Are dogs allowed on the mountain bike trails?

Generally, dogs are welcome on many outdoor trails in France, especially in natural areas like the Quénécan Forest. However, it's always recommended to keep them on a leash, particularly in areas with wildlife or near livestock, and to check for any specific local regulations or signage on individual trails or protected areas.

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