4.2
(84)
371
riders
38
rides
Mountain biking around Saint-Thois is characterized by its hilly and wooded countryside, part of the Menez Du or Black Mountains. The region features diverse terrain, including river valleys and sections along the Nantes-Brest Canal. Riders can find challenging ascents and descents, as well as panoramic views over the Châteaulin Basin and the Aulne canal from higher elevations. Rocky outcrops add to the natural features of the landscape.
Last updated: May 14, 2026
4.5
(11)
47
riders
40.0km
02:58
580m
580m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.3
(3)
15
riders
24.5km
01:54
330m
330m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.0
(1)
24
riders
42.5km
02:19
200m
200m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.0
(5)
13
riders
28.9km
02:07
350m
350m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(1)
12
riders
21.6km
01:14
160m
160m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
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Built under Louis XIII, in the 17th century
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quiet place in summer easy walk along the canal
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Interesting to look at a lock like this even though many are no longer in operation
3
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Nice to ride on the cycle paths along the canal. Very quiet and beautiful.
3
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Like the many locks on the Nantes-Brest canal, the Saint-Algon lock has long allowed boats to transport goods from one city to another. Today, the lock house is only the breath of a memory of this river period.
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Bathed by the Alder, the town of Châteauneuf-du-Faou is an ideal stopover on the Nantes-Brest canal. Below, a campsite and a bistro await you. If you want more, you can always tackle the steep climb that brings you downtown. The shops are more numerous there and, on Thursday afternoon, the weekly market is held there.
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Nice place for a break or ravito on the Nantes-Brest canal
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There are over 40 mountain bike trails around Saint-Thois, offering a variety of experiences for different skill levels. You'll find routes ranging from easy canal-side paths to more challenging ascents in the Black Mountains.
Mountain biking in Saint-Thois features a diverse landscape. You'll encounter hilly and wooded countryside, particularly in the Menez Du (Black Mountains), scenic river valleys, and sections along the Nantes-Brest Canal. The area also includes rocky outcrops, adding to the natural beauty and offering varied riding conditions.
Yes, Saint-Thois offers 11 easy mountain bike trails. These often include flatter sections along the Nantes-Brest Canal, which are ideal for a more relaxed ride. For example, the Canal De Nantes a Brest – Saint-Algon Lock loop from Châteauneuf-du-Faou is a moderate route that incorporates canal-side riding.
Absolutely. The region's Black Mountains provide challenging ascents and descents. While most routes are moderate, there is 1 difficult trail available for those seeking a more intense experience. Routes like Small chapel – Not the best way loop from Edern, with its significant elevation gain, offer a good challenge.
The spring and autumn months generally offer the most pleasant conditions for mountain biking in Saint-Thois, with milder temperatures and beautiful scenery. Summer can also be enjoyable, though it's wise to start earlier in the day to avoid the midday heat. Winter riding is possible, but trails might be muddy or slippery, especially in wooded areas.
Yes, many of the mountain bike trails around Saint-Thois are designed as loops, allowing you to start and finish at the same point. For instance, the Tranquille – Kermoal Wood loop from Châteauneuf-du-Faou is a popular circular option that takes you through varied landscapes.
The trails around Saint-Thois offer opportunities to see various points of interest. You might pass through charming towns like Châteauneuf-du-Faou, or encounter historical structures such as the Saint-Algon Lock or the Châteaulin Lock House and Canal along the Nantes-Brest Canal. From higher elevations, you can also enjoy panoramic views over the Châteaulin Basin and the Aulne canal.
For families, the flatter sections along the Nantes-Brest Canal are often a good choice. These paths are generally less technical and provide a scenic, relaxed riding experience. While specific 'family-friendly' routes are not explicitly graded, the 11 easy trails available would be the most suitable starting point for families.
The komoot community highly rates the mountain biking in Saint-Thois, with an average score of 4.2 stars from over 90 reviews. Riders often praise the diverse terrain, from the challenging Black Mountains to the picturesque canal-side paths, and the beautiful, wooded countryside that defines the region.
While Saint-Thois is a rural area, some nearby towns like Châteauneuf-du-Faou, which serve as starting points for several routes, may have limited public transport connections. It's advisable to check local bus schedules in advance if you plan to rely on public transport to reach trailheads.
You'll find cafes and small eateries in the villages and towns surrounding Saint-Thois, such as Châteauneuf-du-Faou. These can be good spots to refuel before or after your ride. It's a good idea to plan your route to pass through these locations or carry snacks and drinks, especially on longer rides.
Many trails in the Saint-Thois region are suitable for dogs, especially those in natural areas and along the canal. However, it's always recommended to keep your dog on a leash, particularly in wooded areas where wildlife may be present, and to check for any specific local regulations or signage regarding dogs on trails.


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