4.4
(146)
982
riders
70
rides
Mountain bike trails around Aucaleuc offer diverse terrain within the Côtes-d'Armor department of Brittany, France. The region is characterized by the scenic Rance Valley, providing routes along towpaths and through forested sections. Cyclists encounter rolling hills and varied landscapes, including natural landmarks and extensive woodlands. This area provides a range of mountain biking experiences suitable for different skill levels.
Last updated: June 21, 2026
4.6
(5)
51
riders
59.9km
04:15
400m
400m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.1
(7)
51
riders
39.5km
02:58
320m
320m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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5.0
(2)
29
riders
35.9km
02:49
340m
340m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5
riders
46.2km
03:27
490m
490m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
7
riders
41.1km
03:08
430m
430m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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The Château de Dinan is a 14th-century medieval castle located in the heart of the city. It served as a defensive fortification and residence of local nobles. Part of the city walls, the castle features an imposing round tower, battlements, and loopholes. Today, it is a museum and offers panoramic views of the city and the Rance River.
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The Porte Saint-Louis is a historic city gate, built in 1620, and one of the main entrances to the fortified old town. It is part of the medieval city walls, which were built and reinforced in the 11th and 14th centuries. Its architecture features an arch and, formerly, a drawbridge. Today, the gate has been restored and is still open to traffic.
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The abbey church and cloister are definitely worth a visit.
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The viaduct spans the valley spectacularly, and it's particularly beautiful from the harbor.
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the towpath is very bucolic, it's very pleasant by bike
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There are nearly 80 mountain bike trails around Aucaleuc, offering a wide range of experiences. Most routes are moderate, with 51 moderate trails, 25 easy trails, and a couple of more challenging options.
Mountain biking around Aucaleuc features diverse terrain, primarily defined by the scenic Rance Valley, extensive forested areas like the Forêt de Beffou, and rolling hills. You'll find a mix of towpaths, wooded sections, and varied landscapes, including natural landmarks.
Yes, the region offers several easier routes suitable for families. The Dinard–Saint-Samson-sur-Rance Greenway, built on a former railway line, provides a flat and accessible path. Additionally, many of the 25 easy trails available are suitable for a family outing.
The area is rich in historical and natural sights. You can explore the medieval charm of Dinan Old Town, visit the impressive Saint-Sauveur Basilica, or ride along the historic Chemin de Halage Along the Rance in Taden. Many routes also pass through picturesque villages and offer views of the Rance River.
Yes, many of the mountain bike trails in the area are circular. For example, the Pont Ruffier Reservoir – The Seven Boundary Stones loop from Trélivan is a moderate 59.9 km route, and the Guinefort mountain bike trail – Pont Ruffier Reservoir loop from Dinan offers a 35.9 km loop through varied landscapes.
The mountain bike trails around Aucaleuc are highly regarded by the komoot community, with an average rating of 4.4 stars from over 130 reviews. Nearly 1000 mountain bikers have used komoot to explore the varied terrain, often praising the scenic Rance Valley and the well-maintained paths through forests and rolling hills.
The Côtes-d'Armor region, including Aucaleuc, is generally pleasant for mountain biking from spring through autumn. The forested trails and Rance Valley paths offer shade in warmer months, while spring and early autumn provide comfortable temperatures and vibrant scenery. Winter riding is possible, but conditions may be wetter on some trails.
Absolutely. The Rance Valley is a central feature of mountain biking in the area. Routes like the Léhon Stone Bridge – Dinan Castle loop from Trélivan and The Port of Dinan – Dinan Viaduct loop from Trélivan offer excellent opportunities to explore the valley's picturesque towpaths and wooded sections, often combining natural beauty with historical sites.
While most routes are moderate, there are a couple of more difficult trails available for experienced riders seeking a greater challenge. These routes often feature steeper climbs and more technical descents, particularly in areas with rolling hills and varied terrain.
Yes, many trails provide beautiful vistas. The region's rolling hills, such as Mont Garrot, offer opportunities for climbs with scenic views. Routes along the Rance Valley also provide picturesque river views, and some forested areas like the Forêt de Beffou are known for panoramic outlooks.
The longest moderate mountain bike trail is the Pont Ruffier Reservoir – The Seven Boundary Stones loop from Trélivan, which spans 59.9 km and typically takes around 4 hours and 13 minutes to complete.


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