4.3
(336)
1,336
riders
127
rides
Mountain bike trails around Lanmérin offer diverse terrain, from the dramatic Pink Granite Coast to the tranquil Léguer Valley. The region is characterized by its unique pink granite rock formations, dense woodlands, and varied moorland, providing a range of natural features for mountain biking. Riders can explore coastal paths with sea views or venture inland through forests and river systems. This area provides a mix of challenging climbs and scenic routes suitable for different skill levels.
Last updated: October 8, 2026
4.4
(8)
54
riders
42.2km
02:57
400m
400m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(4)
15
riders
25.9km
01:53
230m
230m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

5.0
(1)
10
riders
84.6km
05:23
820m
820m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.0
(1)
6
riders
15.1km
01:07
150m
150m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
5.0
(5)
5
riders
26.3km
01:33
120m
120m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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Beautiful old town with many half-timbered houses. The cathedral is particularly impressive. We were there on Wednesday. The weekly market is a shadow of its former self. 10 years ago it was much busier.
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The chapel of Saint Uzec was erected in the 14th century, on the boundary of parishes between Pleumeur-Bodou and Trébeurden: the old path, with an east/west axis, still exists, and the Calvary would be the exact boundary between the two parishes. Located on an imposing rock, subsequently largely carved out to provide passage for the road, it faces the menhir of Saint Uzec, visible on the opposite side of the valley. It is adjoined, as is often the case, by a fountain recalling old rites of water worship. It was partially destroyed by lightning in 1974, and gradually restored thereafter, at the initiative of the residents of the neighborhood and the municipality.
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Single-track path on a beautiful carpet of greenery which becomes forest as you approach Mabiliès!
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The Kerdéozer viaduct was built by Louis Auguste Harel de La Noë for the Côtes-du-Nord railways. It is located in the town of Plouguiel. It was used by the Tréguier - Perros and Lannion line (Petit-Camp disconnection), put into service in 1906, it was decommissioned in 1949 (wikipedia) 🚂
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The hold of Boured, or quai de Boured, is located northeast of the town of La Roche-Derrien. From here, you have an unrivaled view of the start of the Jaudy estuary. For once, you have nothing special to learn, just to savor a moment of peace. Whether you are arriving from Tréguier or your adventure is taking you south, this is the ideal place to take a break and let your gaze wander.
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There are over 100 mountain bike trails around Lanmérin, offering a wide range of options for different skill levels. This includes 39 easy routes, 62 moderate routes, and 9 difficult trails.
The terrain around Lanmérin is very diverse. You can expect coastal paths along the dramatic Pink Granite Coast, forest trails through the tranquil Léguer Valley, and varied moorland terrain. Some routes feature mixed surfaces, including paved roads and stony paths, offering a dynamic riding experience.
Yes, there are several family-friendly mountain bike routes. An excellent option for a more relaxed ride is the Martray Square loop from Langoat, an easy 25.9 km path that takes you through the local countryside. There are 39 easy routes in total, suitable for families.
For experienced riders seeking a challenge, consider the Kerdéozer viaduct/bridge – Saint-François footbridge loop from Coatréven. This difficult 85 km route offers significant elevation gain and a demanding ride. There are 9 difficult trails in the region for those looking for advanced paths.
The region is rich in natural beauty and historical sites. Along the trails, you might encounter the unique pink granite rock formations of the Pink Granite Coast, the scenic Léguer Valley, and various viewpoints. Notable landmarks include the Saint-François Footbridge, the historic Place du Martray, and the Nantouar Lighthouse offering coastal views.
The mountain bike trails around Lanmérin are highly rated by the komoot community, with an average score of 4.4 stars from over 280 reviews. Riders often praise the diverse terrain, from coastal paths to forest routes, and the variety of options suitable for different skill levels.
Yes, for longer rides, the In the great outdoors – Neolithic Bridge loop from Langoat is a moderate 51.2 km trail that traverses varied landscapes. Another option is the difficult Kerdéozer viaduct/bridge – Saint-François footbridge loop from Coatréven, which spans 85 km.
Absolutely. The Léguer Valley, inland from the coast, offers extensive forest routes that are ideal for mountain biking. An example is the moderate Mountain Bike Trail – Tonquédec Castle loop from Caouënnec, which leads through woodlands.
The region is generally suitable for mountain biking throughout much of the year. Spring and autumn often provide pleasant temperatures and vibrant scenery. However, due to the diverse terrain including coastal paths and forest trails, conditions can vary, so checking local weather forecasts is always recommended.
Many of the mountain bike trails around Lanmérin are designed as loops, allowing you to start and finish at the same point. Examples include the In the great outdoors – Neolithic Bridge loop from Langoat and the Martray Square loop from Langoat.
For broader information on mountain biking opportunities in the Brittany region, you can visit the Brittany Tourism website: brittanytourism.com.


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