4.0
(2)
125
riders
11
rides
Road cycling around Etang De Vioreau features routes through varied landscapes, including the largest navigable inland body of water in Loire-Atlantique. The area is characterized by extensive forests, open water views, and paths alongside the historic Nantes-Brest Canal. While some immediate lake-side paths may include mixed terrain, the broader region offers numerous asphalted surfaces suitable for road bikes. Cyclists can explore routes that pass by the Vioreau Reservoir Dam and through the surrounding natural areas.
Last updated: July 7, 2026
9
riders
19.3km
00:57
140m
140m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
6
riders
34.6km
01:31
250m
250m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.

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3
riders
23.5km
01:07
200m
200m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
4.0
(1)
2
riders
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
4.0
(1)
2
riders
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
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Popular around Etang De Vioreau
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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Also known as the "basin," the port of Nort-sur-Erdre is a lively, historic neighborhood that's a great place to stop off. At the foot of the Saint-Georges Bridge, which separates the wild Erdre from the navigable Erdre, the marina is now a popular place for walking and fishing. Free Wi-Fi access near the Tourist Office Contact the harbor master's office for an extended stay; the first two nights are free. Open year-round Type of facility: Slipway - River stopover - Pontoon - Marina Payment methods: Bank and postal checks Access location: Nort-sur-Erdre train station: 1 km Languages spoken: French Facilities: Picnic area - Restrooms - Services - Playground
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From the bridge, you can enjoy a beautiful, unobstructed view of the Saint-Léger-de-Joué church, punctuated by the sound of the river. The bridge and washhouse date back to the 13th century.
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What we'd heard about Brittany was that it's supposed to have lots of forests, a special kind of people, and nature beyond nature. But we weren't expecting such a beautiful little town, and as for the special Bretons – they're just super friendly!
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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)
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There are 11 dedicated no-traffic road cycling routes around Etang De Vioreau. These routes cater to various skill levels, with 6 easy and 5 moderate options available for you to explore.
The road cycling routes around Etang De Vioreau primarily feature asphalted surfaces, ideal for road bikes. While the immediate 10.5-10.6 km loop directly around the lake has significant dirt track sections (around 59%) that are better suited for gravel or mountain bikes, the broader area offers many smooth roads for pure road cycling.
Yes, there are several easy no-traffic road cycling routes perfect for beginners or families. An excellent option is the Lake Vioreau – West bridge at Lac de Vioreau loop from La Bolinière, which covers 19.2 km with minimal elevation gain, offering a pleasant ride through the scenic landscape.
As you cycle around Etang De Vioreau, you can encounter several interesting landmarks. Don't miss the historic Vioreau Reservoir Dam, built in 1835, or the picturesque West bridge at Lac de Vioreau. The Arcades Trail near Vioreau, bordering the Nantes-Brest Canal's 'food channel,' also offers a unique historical perspective.
Yes, many of the no-traffic road cycling routes around Etang De Vioreau are circular, allowing you to start and end at the same point. For example, the Lake Vioreau – Port of Nort-sur-Erdre loop from Barrage de Vioreau offers a moderate 34.5 km circular ride with beautiful views.
The area around Etang De Vioreau is enjoyable for road cycling throughout much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery. While summer is also popular, especially with the supervised beach and swimming pool available, be mindful of potential heat. During wet conditions, some sections immediately around the lake might be muddy, but the main road cycling routes remain suitable.
Parking is generally available at various starting points around Etang De Vioreau. Many routes, such as the West Bridge at Lake Vioreau – West bridge at Lac de Vioreau loop from Joué-sur-Erdre, begin from towns or specific points with designated parking areas. The recreational facilities near the lake also offer convenient parking options.
The komoot community rates the road cycling experience around Etang De Vioreau highly, with an average score of 4.0 stars. Reviewers often praise the serene, natural backdrop provided by the vast forest and the expansive water views of Lake Vioreau, making for a peaceful and scenic ride.
While this guide focuses on easy to moderate routes, the broader region around Etang De Vioreau offers opportunities for longer, more challenging road cycling. For instance, a moderate 32.6 km route like the Lake Vioreau – West bridge at Lac de Vioreau loop from La Meilleraye-de-Bretagne provides a good distance and some elevation. More extensive loops encompassing areas like Châteaubriant and Abbaretz Mine are also known in the region for those seeking greater distances.
Yes, the area around Etang De Vioreau is well-equipped with amenities. The main recreational facilities near the lake include picnic areas, sanitary facilities, and a snack bar, perfect for a break or to refuel during your ride. You'll also find facilities in the nearby towns that serve as starting points for many routes.
Absolutely! Etang De Vioreau is a hub for outdoor activities. After your ride, you can enjoy the landscaped beaches, picnic areas, or even a supervised swimming area in summer. Nature enthusiasts might appreciate the ornithological observatory on the north side of the lake, offering opportunities to spot migratory birds.


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