4.6
(89)
518
riders
34
rides
Mountain bike trails around Sainte-Tréphine are set within a landscape shaped by the Nantes-Brest Canal and the expansive Lac de Guerlédan. The region features varied terrain, including wooded areas, moorland, and paths alongside waterways. Cyclists can explore routes that combine natural beauty with historical sites, offering diverse options for mountain biking.
Last updated: July 4, 2026
4.5
(6)
113
riders
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
5.0
(1)
21
riders
121km
07:14
780m
780m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

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5.0
(3)
17
riders
54.4km
03:53
590m
590m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.4
(8)
21
riders
40.7km
02:22
240m
240m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
10
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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An imposing bridge from the old railway.
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A pretty iron bridge, built for farmers at the time. Here the path along the water was in a bad state in April 2026 (a warning was installed on one side of the section, but a detour through the forest is possible).
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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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This is one of the very few straight sections of the canal.
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0
The region around Sainte-Tréphine offers a diverse landscape for mountain biking. You'll find trails winding through beautiful moorland, alongside the Blavet and Sulon rivers, and through wooded areas. The presence of the Nantes-Brest Canal also means some routes offer flatter, waterside sections, while others climb through more challenging terrain.
There are over 25 mountain bike trails around Sainte-Tréphine listed on komoot. These routes cater to various skill levels, from easy rides to more challenging, longer expeditions.
Yes, there are several easy routes. For a less strenuous ride, consider the Lock No. 138 of Bon Repos – Bon Repos Abbey loop from Bon Repos sur Blavet, which is 16.8 km long and offers a gentle introduction to the area's beauty.
For moderate challenges, you have several options. The Magnificent viewpoint – View of Lake Guerlédan loop from Gouarec is a popular 48.5 km route with extensive lake views. Another great choice is the Lock No. 138 of Bon Repos – Bon-Repos Abbey loop from Gouarec, covering 36.9 km through scenic landscapes.
Yes, for those seeking a more demanding ride, the Bon Repos Abbey – Passageway loop from Gouarec is a difficult 123.3 km trail that leads through varied terrain, typically taking over 7 hours to complete.
Many routes pass by significant landmarks. You can explore the historic Bon-Repos Abbey, ride alongside the Nantes–Brest Canal, and see the Gouarec Lock. The expansive Lac de Guerlédan also features prominently in many routes, offering beautiful natural scenery.
The mountain bike trails around Sainte-Tréphine are highly rated by the komoot community, with an average score of 4.6 stars from over 40 reviews. Riders often praise the varied terrain, the beautiful views of Lac de Guerlédan, and the historical points of interest like Bon-Repos Abbey.
Yes, most of the popular mountain bike routes in the area are circular, allowing you to start and end at the same point. Examples include the Stone Bridge loop from Plouguernével and the various loops around Bon Repos Abbey and Lac de Guerlédan.
Brittany generally offers pleasant conditions for outdoor activities from spring through autumn. The moorland and wooded trails are particularly beautiful during these seasons. Always check local weather forecasts before heading out, as conditions can change.
Absolutely. Lac de Guerlédan is a central feature of the region. The Magnificent viewpoint – View of Lake Guerlédan loop from Gouarec is specifically designed to showcase extensive views of the lake, making it a popular choice for scenic rides.


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