4.0
(18)
729
runners
41
runs
Jogging around Grand Réservoir de Vioreau offers a variety of running experiences centered around the large artificial lake. The terrain is generally flat with minimal elevation gain, making it suitable for various fitness levels. The region is characterized by its expansive reservoir, surrounded by open landscapes and some wooded sections. These features provide a consistent and accessible environment for running.
Last updated: May 21, 2026
4.9
(9)
114
runners
10.6km
01:13
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
63
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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7
runners
6.96km
00:49
40m
40m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
runners
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
runners
4.76km
00:31
20m
20m
Easy run. Great for any fitness level. Mostly paved surfaces. 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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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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Dam under construction until July 2024. No water in the lake.
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This huge expanse of water is a real treat to explore. The water stretches as far as the eye can see in places and the course is ideal for running.
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A quiet deck with stunning views of the lake. A great place to take a break from your run and take in the scenery.
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There are over 35 running routes available around Grand Réservoir de Vioreau, offering a diverse range of experiences for all fitness levels.
Yes, Grand Réservoir de Vioreau offers several easy jogging routes. For instance, the West bridge at Lac de Vioreau – Grand Réservoir de Vioreau loop from La Demenure is an easy 4.8 km (3 miles) trail, perfect for a relaxed run.
The running routes around Grand Réservoir de Vioreau are highly rated by the komoot community, with an average score of 4.0 stars from over 17 reviews. Runners often praise the continuous views of the reservoir and the mix of open and partially shaded sections.
Absolutely. Many routes are circular, allowing you to experience the reservoir from different perspectives. A popular option is the Lac de Vioreau — loop — running from Vioreau, which is a 10.6 km (6.6 miles) loop offering continuous reservoir views.
Generally, dogs are welcome on trails around Grand Réservoir de Vioreau, especially if kept on a leash. It's always best to check local signage for any specific restrictions, particularly in nature reserve areas or during certain seasons.
The routes offer scenic views of the reservoir itself. You can also pass by landmarks such as the West bridge at Lac de Vioreau and the Vioreau Reservoir Dam. Many trails follow the picturesque lakeside paths.
Yes, for those seeking a longer challenge, the region offers more extensive routes. The West bridge at Lac de Vioreau – Lake Vioreau loop from Barrage de Vioreau is a difficult 25.4 km (15.8 miles) trail, providing a comprehensive tour of the reservoir's surroundings.
Yes, there are several parking areas around Grand Réservoir de Vioreau, often located near popular starting points or recreational zones. For example, routes like the Lake Vioreau – Grand Réservoir de Vioreau loop from Aire naturelle "Le Temps de Vivre" often start from designated parking spots.
Jogging is generally possible in winter, though conditions may vary. The terrain is mostly flat, but paths can be muddy or slippery after rain or during colder periods. Always check local weather forecasts and wear appropriate gear for winter running.
While the immediate vicinity of the reservoir is quite natural, you can find small cafes or eateries in nearby villages like Joué-sur-Erdre or Riaillé, which are a short drive from the main running areas. It's advisable to carry your own water and snacks for longer runs.
Many of the easier and moderate routes are suitable for families, especially those with older children. The generally flat terrain and well-maintained paths, such as the Running loop from Circuit du Lac et Circuit de la Forêt, make for pleasant family outings.


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