4.5
(123)
799
hikers
37
hikes
Hiking around Etang De Vioreau offers routes primarily characterized by lakeside paths and surrounding woodlands. The terrain is generally flat with minimal elevation changes, making it accessible for various activity levels. The area features the large reservoir, providing open water views and a network of trails along its shores. These routes often traverse through natural landscapes, including some forested sections.
Last updated: July 7, 2026
4.8
(28)
161
hikers
10.6km
02:41
30m
30m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
11
hikers
7.23km
01:52
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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5.0
(1)
2
hikers
7.54km
01:57
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
8
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(2)
3
hikers
9.37km
02:24
40m
40m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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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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A perfect place to relax or have a picnic. You can cross the Erdre River to take a path opposite.
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Very beautiful place, banks of the Erdre below. Nice place to relax.
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This archway is accessible, but the following ones toward Nort-sur-Erdre are not, due to ongoing safety work. A beautiful spot down below for a picnic on the banks of the Erdre.
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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 Ajeaux channel connects the Riaillé bodies of water (La Provostière and Poitevinière) to the large Vioreau Reservoir. The water thus transported allows the supply of the canal from Nantes to Brest.
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The Vioreau forest, located between the municipalities of Joué-sur-Erdre and Meilleraye-de-Bretagne, extends over 750 ha, 70 of which belong to the Department of Loire-Atlantique and are classified Sensitive Natural Areas (ENS). It adjoins to the north the large Vioreau reservoir, also departmental property, which is part of the Nantes-Brest canal supply system.
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There are over 35 hiking routes around Etang De Vioreau, ranging from easy strolls to more moderate excursions. The area is well-known for its accessible lakeside paths and gentle woodlands.
Yes, Etang De Vioreau is ideal for beginners and families, with 14 easy routes. Many trails are generally flat with minimal elevation changes, making them very accessible. A great option is the Rigole des Ajeaux loop from Aire naturelle "Le Temps de Vivre", an easy 4.5-mile path.
The terrain around Etang De Vioreau primarily features lakeside paths and surrounding woodlands. You'll find generally flat surfaces with minimal elevation changes, offering open water views and forested sections.
Yes, circular walks are a popular feature of the area. The Lake Vioreau Loop is a well-known 6.6-mile trail offering continuous lake views. Another excellent choice is the West bridge at Lac de Vioreau – Lake Vioreau loop from La Romeraye, which combines lakeside and forested sections.
Hike durations vary, but many popular routes can be completed within 2 to 3 hours. For example, the Lake Vioreau Loop typically takes around 2 hours 41 minutes, while the Grand Réservoir de Vioreau – Lake Vioreau loop from La Demenure is about 2 hours 24 minutes.
Generally, dogs are welcome on trails around Etang De Vioreau, especially if kept on a leash. It's always a good idea to check local signage for any specific restrictions, particularly in nature reserve areas, and to ensure you clean up after your pet.
Along the trails, you can discover several points of interest. Notable attractions include the West bridge at Lac de Vioreau, the impressive Vioreau Reservoir Dam, and the scenic Arcades Trail near Vioreau. The entire Lake Vioreau itself offers continuous beautiful views.
Spring and autumn are often considered the best times for hiking around Etang De Vioreau, offering pleasant temperatures and beautiful natural colors. Summer is also popular, but it can be warmer, so early morning or late afternoon hikes are recommended. Winter offers a quieter experience, though some paths might be muddy.
While most trails are easy to moderate, there is one route classified as difficult. For those seeking a longer challenge, the Aqueduc du Gué de la Roche – Arcades of the Gué de la Roche loop from Barrage de Vioreau is a moderate 9.1-mile (14.7 km) trail with more elevation gain, offering a more extended adventure.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 100 reviews. Reviewers often praise the tranquil lakeside paths, the accessibility of the trails for all abilities, and the beautiful, consistent views of the reservoir.
Yes, there are several designated parking areas around Etang De Vioreau, particularly near popular trailheads and access points to the lake. These are generally well-marked and provide convenient starting points for your hike.
Etang De Vioreau, being a large reservoir surrounded by natural landscapes, is home to various bird species and other small wildlife. Keep an eye out for waterfowl on the lake and listen for birdsong in the woodlands. Early mornings or late evenings often provide the best opportunities for wildlife spotting.


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