4.8
(28)
96
riders
8
rides
Mountain biking around Trémargat offers diverse terrain within Brittany's Côtes-d'Armor department, characterized by prairies, bocages, and forests. The region is situated on a granite massif, featuring valleys and the tranquil Lac de Kerné Uhel. Riders can explore varied landscapes, including the dramatic Gorges du Corong with its mythical boulders and the rugged Landes de Locarn, which features moors and peatlands. This natural environment provides a scenic backdrop for mountain bike trails.
Last updated: May 7, 2026
5.0
(1)
30
riders
48.9km
03:56
530m
530m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(2)
13
riders
36.3km
02:47
410m
410m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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5.0
(1)
4
riders
34.6km
02:44
440m
440m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
1
riders
30.0km
01:45
300m
300m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Large menhir in a beautiful, natural setting (second largest menhir in Brittany), easily accessible
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This is one of the very few straight sections of the canal.
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Here the canal meanders through the landscape.
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Excellent and inexpensive pancakes, welcome coffee for a pleasant refreshment
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A welcome breath of fresh air
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Tour of Lake Kerné-Uhel, bucolic forest trail.
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At an altitude of 184 m, the Glomel trench is the highest point of the Nantes-Brest canal and the watershed between the Blavet and Aulne basins. The canal project and its passage through the center of Brittany dates back to Vauban, the decision and the route to Napoleon. The impressive trench allows the Aulne and Blavet watersheds to communicate via the canal. The Grande Trenche of the Canal from Nantes to Brest was dug in the 19th century by deserters from the army of Louis XVIII. The 4000 convicts of Glomel had to move as much earth and rock as was necessary for the construction of a great pyramid in Egypt. It took 9 years to create this trench, more than 3 kilometers long, 100 meters wide and 23 meters deep.
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The region around Trémargat is characterized by its elevated granite massif, offering a diverse landscape of valleys, meadows, bocages, and extensive forests. You'll encounter varied topography, including areas around the Lac de Kerne Uhel and dramatic geological formations like the Gorges du Corong with its spectacular granite blocks. Routes often skirt the lake shores, providing a mix of forest paths and open views.
There are 12 mountain bike trails available around Trémargat. These include 5 easy routes and 7 moderate routes, catering to various skill levels.
The mountain bike trails in Trémargat are highly rated by the komoot community, with an average score of 4.8 stars from over 20 reviews. Riders often praise the varied terrain, scenic backdrops, and the opportunity to explore dense forests and open moors.
Yes, there are 5 easy mountain bike routes in the area. A good option for a less strenuous ride is the Lac de Kerné-Uhel - East bank loop from Trémargat, which is 20.8 km long and offers pleasant lakeside sections.
Yes, many of the routes around Trémargat are circular. For example, the L'Écluse 150 – Roman Bridge loop from Plouguernével is an easy 31.6 km circular route that takes you through rural landscapes and past historical features.
You'll encounter the prominent granite landscape, including large 'growing stones' in fields and dramatic formations like the Gorges du Corong. The Lac de Kerne Uhel, a Natura 2000 zone, is a central feature, offering beautiful lakeside views. Some routes also pass by historical elements like the Stone Bridge.
Generally, dogs are welcome on trails in natural areas, especially if kept on a leash to protect local wildlife and ensure the safety of other users. Given the region's biodiversity, particularly around Lac de Kerne Uhel, it's always best to keep your dog under control. There are no specific restrictions mentioned, but always respect local signage.
While specific parking areas for each trailhead aren't detailed, Trémargat is a rural commune, and parking is generally available in or near villages like Kerien and Plouguernével, which serve as starting points for many routes. It's advisable to check local maps or komoot route details for specific parking suggestions near your chosen starting point.
Brittany's climate makes mountain biking enjoyable for much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery, with fewer crowds. Summer can also be great, though it might be warmer. Winters are generally mild but can be wet, so checking weather conditions is always recommended.
Trémargat has a strong community spirit, featuring an associative grocery store supplied by local producers and an associative café. While specific cafes directly on trails are unlikely, you can find options within the village or nearby towns like Kerien and Plouguernével, which are common starting points for rides.
Yes, for experienced riders looking for longer distances, the Lac de Kerné-Uhel - East bank – Tour du Lac - West shore loop from Kerien is a moderate 60.7 km route with significant elevation gain, offering extensive views and combining forest paths with lakeside sections. Another moderate option is the Stone Bridge loop from Plouguernével, which is 49.9 km long.


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