4.6
(68)
587
riders
39
rides
Mountain biking around Merléac offers a diverse landscape characterized by its hilly terrain, with elevations reaching over 300 meters. The region features significant waterways, including the Lac de Bosméléac and the Oust River, along with nearby forests. Riders can also explore the larger Lac de Guerlédan and tackle challenging climbs like the Côte de Mûr-de-Bretagne. This varied topography provides a range of mountain bike trails suitable for different skill levels.
Last updated: June 21, 2026
4.5
(15)
101
riders
30.4km
02:55
720m
720m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.4
(8)
122
riders
46.9km
04:00
820m
820m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.8
(10)
62
riders
49.1km
02:49
240m
240m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
3.8
(6)
47
riders
24.0km
01:40
330m
330m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.0
(6)
46
riders
43.6km
03:19
510m
500m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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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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A great detour to Saint Aignan, the Les Pêcheries de Guerlédan restaurant is very welcoming, with bike parking, a generous meal and welcome. Crossing the village, you can reach the canal a little further on via the lock.
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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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The old castle is now partially open to the public. It looks very defensive.
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View of the old Cistercian abbey from the 12th century.
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There are over 30 mountain bike trails available around Merléac, offering a variety of experiences for different skill levels. The komoot community has mapped 34 routes in total.
The trails around Merléac cater to all skill levels. You'll find 7 easy routes, 22 moderate routes, and 5 difficult routes, ensuring options for beginners, intermediate riders, and experienced mountain bikers alike.
Yes, Merléac offers several easy mountain bike trails perfect for beginners or family outings. These routes often follow greenways or lakeside paths, such as those around Lac de Bosméléac or the Rigole d'Hilvern, providing gentle terrain and scenic views.
For experienced riders seeking a challenge, the region offers routes with significant elevation gain and technical sections. The area around Lac de Guerlédan and the Quénécan Forest provides a network of more demanding trails. For a specific challenge, the Côte de Mûr-de-Bretagne, known from the Tour de France, offers steep gradients.
Yes, many mountain bike routes around Merléac are circular, allowing you to start and end at the same point. Examples include the moderate Bon Repos Abbey – Mine la Belle Bleu loop from Guerlédan or the longer Lock No. 138 of Bon Repos – Bon Repos Abbey loop from Guerlédan.
Mountain biking around Merléac offers diverse scenery. You can explore the extensive Lac de Guerlédan and its surrounding Quénécan Forest, visit the historic Bon Repos Abbey, or ride along the Rigole d'Hilvern. Other notable sights include the Guerlédan Dam and various locks along the Canal de Nantes à Brest.
Yes, parking is generally available near popular starting points for mountain bike trails, especially around key attractions like Lac de Guerlédan, Lac de Bosméléac, and the villages that serve as trailheads. Specific parking information can often be found on individual route pages on komoot.
While Merléac is a rural area, some larger towns nearby, such as Mûr-de-Bretagne or Pontivy, may have limited public transport connections. However, for direct access to many trailheads and the flexibility to explore, traveling by car is generally recommended for mountain biking in this region.
The mountain bike trails around Merléac are highly rated by the komoot community, with an average score of 4.6 stars from over 70 reviews. Riders often praise the varied terrain, the beautiful lakeside views, and the well-maintained paths through forests and along waterways.
The spring and autumn months are generally ideal for mountain biking in Merléac, offering pleasant temperatures and vibrant natural scenery. Summer can also be good, especially for shaded forest trails, but can be busier. Winters are milder in Brittany, but trails may be wet and muddy.
Absolutely. The area around Lac de Guerlédan is particularly rich in scenic viewpoints. The View of Lake Guerlédan highlight offers magnificent panoramas. Many routes around the lake, such as the View of Lake Guerlédan – Sordan Cove loop from Guerlédan, are designed to showcase these stunning vistas.


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