4.6
(156)
1,059
riders
74
rides
Mountain biking around Pluméliau offers diverse landscapes, characterized by the green Blavet River valley and its undulating terrain. The region features a mix of forests, heathland, and pastures, providing varied backdrops for rides. Trails often include hollow paths and ascents leading to scenic viewpoints, integrating natural features with historical sites. This area provides a network of routes suitable for mountain biking.
Last updated: October 7, 2026
4.2
(5)
41
riders
40.6km
02:19
350m
350m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
41
riders
38.1km
02:47
530m
530m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.8
(8)
22
riders
34.2km
01:55
190m
190m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
3.0
(2)
14
riders
37.7km
02:38
390m
390m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.0
(1)
9
riders
56.5km
03:11
390m
390m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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The chapel is nestled close to the rocks on the other side of the river. It can be reached via hiking trails on the other side.
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The old castle is now partially open to the public. It looks very defensive.
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This beautiful water town, famous for its Château des Rohans, is located in Argoat. That is to say in the very center of the Breton peninsula. It is a city which has preserved the Napoleonic memory of the great works carried out during the reign of the emperor. The Blavet is experiencing spectacular floods here which have left their mark on the inhabitants. The most recent ones date from January 1995 and February 2014.
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Here, the Blavet meets the Nantes-Brest canal. It was Napoleon Bonaparte, then first consul, who decided on September 17, 1802 to channel the Blavet from Pontivy to Lorient. The project was titanic and lasted more than 30 years.
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There are 28 locks which allow navigation between Pontivy and Hennebont. These structures, built in the 19th century, are still very important for the many pleasure boats. The lock keeper moves from one lock to another to allow boats to continue their journey in the Blavet valley.
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There are 28 locks which allow navigation between Pontivy and Hennebont. These structures, built in the 19th century, are still very important to the many pleasure boats that sail here. The lock keeper moves from one lock to another to allow boats to continue their journey in the Blavet valley.
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The Château de Pontivy, or Château des Rohan, was built between the middle of the 15th century and the beginning of the 16th century for and by the Viscounts of Rohan. Following the codes of Breton military architecture from the end of the 15th century, this castle is one of the last fortified castles to have been built in Brittany. You will notice that the facade allows adaptation to the development of fire artillery, but that particular attention is paid to comfort and decoration. The downspouts are worked, the skylights carved, and the interior of the castle is equipped with fireplaces and latrines, making it a little gem of comfort for the time. Two permanent exhibitions are housed there: one is dedicated to the sculptor Gaston Schweitzer, while the other is a more contemporary installation by Japanese artist Koki Watanabe. I personally loved the contrast offered by this rather austere facade with the charm of the half-timbered houses in the city center, which I invite you to take the time to discover.
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Dramatic boulders along the towpath in a 300 degree loop of the river
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Pluméliau offers a wide selection of mountain bike trails, with over 60 routes available. These range from easy rides to more challenging paths, ensuring options for various skill levels. Specifically, there are 21 easy routes, 44 moderate routes, and 2 difficult routes to explore.
The terrain around Pluméliau is diverse, characterized by the green Blavet River valley and undulating landscapes. You'll encounter a mix of forests, heathland, and pastures. Trails often feature 'hollow paths' and ascents leading to scenic viewpoints. The Blavet River towpath, for instance, offers a flatter, more accessible ride alongside the river.
Yes, the region offers options suitable for families. The towpath along the Blavet River, particularly the 18 km stretch from Saint-Nicolas-des-Eaux to Pont-Augan, is a 'voie verte n°8' that is generally flat and suitable for all ages, allowing for a relaxed ride amidst natural landscapes. For a specific easy route, consider exploring one of the 21 easy trails available.
Many outdoor trails in France, including those in natural areas like Pluméliau, generally permit dogs, often requiring them to be kept on a leash. While specific rules can vary by trail or protected area, it's always best to keep your dog under control. The Blavet Valley towpath is a popular choice for walks and rides with pets due to its open nature.
Many routes in Pluméliau offer scenic views, especially those that climb to higher points or follow the Blavet River. For example, the Talhouët Lock – The Blavet loop from St-Rivalain leads through the picturesque Blavet Valley. The Butte de Castennec also offers magnificent views over the meander of the Couarde river, which can be incorporated into rides.
Yes, for experienced riders seeking a challenge, there are 2 difficult mountain bike routes available around Pluméliau. One notable option is the Talhouët Lock – The Blavet loop from St-Rivalain, which is 91.8 km long with significant elevation gain, often taking over 5 hours to complete.
The Pluméliau area is rich in historical heritage. Many trails pass by significant sites such as the 16th-century Saint-Nicodème Chapel, known for its Gothic-Renaissance architecture. You might also encounter the beautiful Rimaison mill or the ancient Saint-Gildas chapel, reportedly nestled in rocks where Saint Gildas established his hermitage. The Pontivy Castle is another prominent landmark in the wider area.
While specific parking locations for every trailhead are not detailed, Saint-Nicolas-des-Eaux is a known hub for outdoor activities along the Blavet River. You can typically find parking facilities in and around popular starting points for trails, especially near the towpath access points or village centers. It's advisable to check local signage upon arrival.
The mountain bike trails around Pluméliau are highly rated by the komoot community, with an average score of 4.6 stars from over 100 reviews. Riders often praise the diverse landscapes, the integration of natural features with historical sites, and the variety of routes catering to different ability levels. The scenic Blavet River valley is a particular highlight for many.
Yes, many of the mountain bike routes in Pluméliau are designed as loops, allowing you to start and finish at the same point. For example, the Lock loop from Pluméliau is a popular circular trail that guides riders through varied terrain and past the Rimaison mill.
Pluméliau offers good mountain biking conditions for much of the year. Spring and autumn generally provide pleasant temperatures and vibrant scenery, making them ideal. Summer can also be enjoyable, especially along the shaded river paths. While winter riding is possible, be prepared for potentially wetter and cooler conditions, and always check local trail conditions.
Many trails in the Pluméliau area, especially those that pass through or near villages like Saint-Nicolas-des-Eaux, will have access to local cafes, pubs, or restaurants. The towpath along the Blavet River is particularly well-suited for finding amenities, as it connects several small towns and hamlets where you can stop for refreshments.


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