4.6
(33)
120
riders
17
rides
Mountain bike trails around Etang De La Poiteviniere are characterized by a landscape featuring several large reservoirs and ponds, surrounded by extensive woodlands. The terrain generally consists of gently rolling hills and relatively flat sections, making it suitable for various skill levels. The region offers a network of paths that wind through forested areas and along the shores of its many water bodies.
Last updated: July 4, 2026
5.0
(1)
2
riders
42.9km
02:40
240m
240m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.3
(3)
16
riders
27.3km
02:02
170m
170m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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5.0
(1)
5
riders
32.1km
02:18
160m
160m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
2
riders
47.1km
02:57
180m
180m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.3
(7)
25
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Very beautiful place. I was able to cycle around the lake but I'm pretty sure many of the paths are impassable in winter.
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The west bridge of Lake Voireau offers a beautiful, unobstructed view of the reservoir. The largest body of water in Loire-Atlantique, this lake stretches through the heart of the forest. Its wooded banks and landscaped beaches make it a pleasant stopover for a nature break or a swim.
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Some arcades are more accessible due to ongoing repair work. A diversion has been put in place.
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The Provostière pond, with a surface area of 73 ha, is connected to the Vioreau lake by the Rigole des Ajaux. This complex is part of the supply system of the Nantes-Brest canal. Its hydraulic management is ensured by the Loire-Atlantique Department, which has owned it since 2008. A 5.5 km path on which a bird observatory is located allows you to go around the pond in about 1h30.
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The Grand Réservoir de Vioreau, located near Joué-sur-Erdre in the Pays de la Loire region, is an impressive body of water covering approximately 900 hectares. Originally built to regulate the flow of the Erdre and ensure the water supply to the surrounding areas, the reservoir now provides a magnificent setting for mountain biking. The surrounding trails offer varied terrain, from smooth lakeside paths to challenging and rugged sections through the nearby forests.
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The surroundings of the dam are currently under construction and closed to the public (6/28/24)
2
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There are 16 mountain bike trails recorded on komoot for the Etang De La Poiteviniere region, offering a variety of routes through woodlands and along reservoirs.
Yes, the region offers several easy mountain bike trails. The terrain around Etang De La Poiteviniere is generally characterized by gently rolling hills and relatively flat sections, making it suitable for various skill levels. You'll find 2 easy routes among the 16 available.
The mountain bike trails around Etang De La Poiteviniere vary in length and duration. For example, the Grand Réservoir de Vioreau – Lake Vioreau loop from Saint-Louis is 17.0 miles (27.3 km) and typically takes about 2 hours 2 minutes. Longer routes like the Gruellau Pond loop from Le Petit Bonheur stretch to 26.9 miles (43.2 km) and can take around 2 hours 43 minutes.
The mountain biking network around Etang De La Poiteviniere primarily offers options for easy and moderate ability levels. There are no difficult routes recorded in this area, making it ideal for those seeking a less challenging ride.
Yes, many of the mountain bike trails in the Etang De La Poiteviniere area are circular, allowing you to start and end at the same point. Examples include the popular Grand Réservoir de Vioreau – Lake Vioreau loop from Saint-Louis and the The Arcades of the Rigole – Grand Réservoir de Vioreau loop from La Meilleraye-de-Bretagne.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 40 reviews. Reviewers often praise the scenic routes that wind through dense woodlands and along the shores of the many reservoirs and ponds, highlighting the tranquil natural settings.
While mountain biking is enjoyable year-round, the spring and autumn months typically offer the most pleasant conditions with milder temperatures and beautiful foliage. Summer can also be great, especially for rides near the water, but be mindful of warmer weather. Always check local weather conditions before heading out.
The trails frequently offer picturesque views of the region's defining features: its large reservoirs and ponds, such as the Grand Réservoir de Vioreau and Gruellau Pond. Many routes, like the La Fontaine aux Merles – Bois de Coléan loop from Saint-Mars-la-Jaille, also pass through extensive woodlands, providing a serene natural backdrop.
The terrain around Etang De La Poiteviniere is characterized by gently rolling hills and relatively flat sections. You'll primarily encounter paths winding through forested areas and along the shores of water bodies, making for a generally smooth and accessible ride suitable for various skill levels.
While specific 'hidden gems' are often discovered by local exploration, routes like the Bois de Coléan loop from Saint-Mars-la-Jaille offer a chance to explore less-trafficked woodland areas, providing a sense of discovery away from the more popular reservoir loops.
Given the varied weather, it's best to wear layers that can be adjusted. Comfortable, moisture-wicking cycling attire is recommended. Depending on the season, consider waterproofs for potential rain and appropriate sun protection. Always wear a helmet for safety.


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