4.6
(26)
227
riders
23
rides
No traffic touring cycling routes around Grand Réservoir de Vioreau offer a diverse landscape for outdoor activities. The region is characterized by the Grand Réservoir de Vioreau, the largest freshwater reserve in Loire-Atlantique, covering 200 hectares. Cyclists can explore varied terrain that blends expansive lake views with shaded forest sections, as the reservoir borders the Vioreau forest. An alimentation canal, which supplies water to the Nantes-Brest Canal, also features scenic paths suitable for cycling.
Last updated: May 17, 2026
4.0
(1)
9
riders
41.2km
03:14
220m
220m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
riders
30.4km
02:25
210m
210m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(2)
5
riders
19.6km
01:38
110m
110m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4
riders
25.2km
01:33
180m
180m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(6)
49
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Grand Réservoir de Vioreau
Small beach on Lake Vioreau. Numerous picnic tables in the shade of the trees. Restrooms with drinking water taps. An ideal spot for a break.
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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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Large and beautiful neo-Gothic church whose construction was completed in 1903. Curiosity: the bell tower of the old church, the Church of Saint-Georges, has been preserved and still stands in front of the new church.
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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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This beautiful pond, fed by the Janneau stream, is unfortunately private and off-limits to the public. It can be seen from the D14.
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Very pretty, the castle is not open to visitors. But the forest is magnificent.
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A perfect place to relax or have a picnic. You can cross the Erdre River to take a path opposite.
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There are 25 dedicated no-traffic touring cycling routes around Grand Réservoir de Vioreau. These routes cater to various skill levels, with 8 easy, 10 moderate, and 7 difficult options to choose from.
The routes offer diverse landscapes, blending expansive lake views with shaded forest sections. While many paths are suitable for touring bicycles, some sections might be wet or muddy, especially after rain. The area is known for its well-maintained paths, but be prepared for varied surfaces.
Yes, many of the no-traffic routes are circular, allowing you to start and end at the same point. For example, the Lakeside path loop from La Bolinière offers a pleasant 19.5 km ride, and the View of Lake Vioreau – Lake Vioreau loop from La Cour de la Haye is another easy circular option at 19.0 km.
The Grand Réservoir de Vioreau is enjoyable for touring cycling throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful scenery. Summer is also popular, especially if you plan to combine cycling with swimming at the supervised beach. During winter, the area is significant for birdwatching, but some paths might be wetter.
Along the no-traffic cycling routes, you can discover several interesting points. The West bridge at Lac de Vioreau offers stunning lake views. You can also visit the historic Vioreau Reservoir Dam, constructed in 1835. For nature enthusiasts, an ornithological observatory provides opportunities for birdwatching, especially during winter.
Yes, there are several easy no-traffic routes perfect for families and beginners. The Lakeside path loop from La Bolinière, at just under 20 km, is an excellent choice. These routes generally feature manageable lengths and minimal elevation gain, making them accessible for all ages.
The area is highly rated by the komoot community, with an average score of 4.7 stars from 17 reviews. Reviewers often praise the tranquil and picturesque environment, the diverse landscapes, and the well-maintained paths that make for an enjoyable no-traffic cycling experience.
Yes, there are parking facilities available around the Grand Réservoir de Vioreau, particularly in areas like Joué-sur-Erdre, which serve as good starting points for many routes. These parking areas provide convenient access to the no-traffic cycling trails.
While direct public transport options specifically designed for bike carriage to the Grand Réservoir de Vioreau might be limited, you can often find bus routes to nearby towns like Joué-sur-Erdre. It's advisable to check with local transport providers for their specific policies regarding bicycle transport before planning your trip.
Yes, you can find cafes, pubs, and restaurants in nearby towns such as Joué-sur-Erdre, which is a common starting point for many routes around the reservoir. These establishments offer opportunities to refuel and relax before or after your ride.
One of the longer no-traffic touring cycling routes is the West bridge at Lac de Vioreau – Lakeside path loop from Saint-Louis, which covers approximately 41.1 km. This moderate route offers an extended exploration of the reservoir's surroundings.


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