4.5
(188)
909
riders
82
rides
Mountain biking around Saint-Uniac offers access to a diverse landscape characterized by forests, valleys, and lakes within the Ille-et-Vilaine department of Brittany. The region features varied terrain, including the extensive Forêt de Paimpont and the natural areas surrounding Lac de Trémelin. These areas provide a mix of trails suitable for different skill levels, from gentle paths near water bodies to more technical forest circuits.
Last updated: July 2, 2026
4.6
(19)
59
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(4)
49
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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5.0
(4)
21
riders
25.2km
02:05
250m
250m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.5
(4)
16
riders
39.2km
02:37
300m
300m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.8
(12)
16
riders
19.7km
01:19
140m
140m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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At the edge of a path, a stele in memory of the pilot who died when his Crusader crashed in the Tremelin forest.
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Attention!! The GR descending towards the bottom of the Wolf Room is currently strongly discouraged following the recent bad weather I suppose but remains accessible all the same. A small barrier with a warning is located at its base, in the ascending part. Everything remains passable on the descent.... but be careful!!! 😊👍
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Beautiful trail near Lake Tremelin
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Beautiful cycle link between Bédée and Monfort
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Very practical layout to keep your feet dry.
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The castle of Montauban-de-Bretagne was built in the 13th century. All that remains today is the keep. The rest of the current castle was built in the 15th century. It was taken in 1487 by Charles VIII. The castle was classified by decree of March 6, 2003. (Wikipedia)
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There are over 80 mountain bike trails around Saint-Uniac documented on komoot, offering a wide range of options for different skill levels and preferences. These routes are highly rated by the komoot community, with an average score of 4.6 stars from over 170 reviews.
The primary mountain biking areas near Saint-Uniac include the surroundings of Lac de Trémelin, the extensive Forêt de Paimpont (also known as Brocéliande Forest), and the scenic Vallée du Canut. These locations offer diverse terrains, from forest paths to lakeside trails, catering to various riding experiences.
Yes, the region offers several family-friendly mountain bike trails, particularly around Lac de Trémelin. These trails are generally less technical and suitable for riders of all ages. For example, the area around Trémelin Lake features circuits designed for various skill levels, including beginners and families.
Yes, bike rentals are available at Lac de Trémelin, which is a significant hub for outdoor activities just a short distance from Saint-Uniac. This makes it convenient for visitors who do not bring their own equipment.
You can expect a diverse range of terrain, characterized by dense forests, scenic valleys, and tranquil lakes. Trails often feature a mix of forest paths, gravel tracks, and some singletrack sections, especially within the Forêt de Paimpont and around Lac de Trémelin. The region's natural beauty provides varied landscapes for mountain biking.
Absolutely. Many trails pass by notable natural attractions. You can explore the stunning Chambre au Loup Valley, enjoy views from the Lake Trémelin viewpoint, or cycle around Lake Trémelin and Casse Pond. The mythical Brocéliande Forest also holds legendary sites.
While specific regulations can vary by trail and protected area, many natural spaces in Brittany, including parts of the Forêt de Paimpont and areas around lakes, are generally dog-friendly, especially if dogs are kept on a leash. It's always advisable to check local signage or park regulations for the specific trail you plan to ride.
Spring and autumn are generally considered the best seasons for mountain biking in the Saint-Uniac region. The weather is typically mild, and the natural landscapes are particularly beautiful with blooming flora or vibrant autumn colors. Summer can also be pleasant, but trails might be busier, and temperatures higher. Winter riding is possible, but some trails might be muddy.
Yes, there are 13 easy mountain bike trails around Saint-Uniac, perfect for beginners or those looking for a relaxed ride. These routes often feature smoother paths and less challenging ascents, particularly around the lakes and less technical forest sections.
Many of the mountain bike routes in the region are designed as circular loops. For example, the Lake Trémelin – Viewpoint - Chambre au Loup loop from Boisgervilly and the Lake Trémelin – Viewpoint - Chambre au Loup loop from Iffendic are popular circular options that allow you to start and finish at the same point.
Public transport options directly to specific trailheads might be limited. However, regional bus services connect Saint-Uniac to larger towns like Montauban-de-Bretagne or Iffendic, which are closer to some of the main mountain biking areas like Lac de Trémelin. It's recommended to check local bus schedules for the most up-to-date information.
One of the longer routes is the Lake Trémelin – Viewpoint - Chambre au Loup loop from Boisgervilly, which spans 29.0 miles (46.6 km) and typically takes around 3 hours 36 minutes to complete. This moderate trail offers extensive exploration of the scenic lake and valley views.


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