Top 20 Lakes in Loire-Atlantique
Best lakes in Loire-Atlantique are found in a department in western France, characterized by its diverse natural landscapes. The region features a mix of natural and artificial lakes, alongside rivers and canals. These bodies of water contribute to the area's ecological significance and provide settings for various outdoor activities. The department is known for its protected natural areas, including significant ornithological reserves.
Best lakes in Loire-Atlantique
- The most popular lakes is Lake Grand-Lieu, Pierre Aiguë site, a lake that offers panoramic views of the lake and its environment. This site is known for its bird observatory and is accessible to visitors.
- Another must-see spot is Le Pont de l'Ouen, a bridge that spans the Goulaine river. It provides a panorama at the foot of two lakes and is a suitable place for a break.
- Visitors also love Lake path between Bouaye and Saint Aignan de Grand Lieu, a trail along the marshes of Lake Grand-Lieu. This shaded walking path is accessible and leads to views of the lake.
- Loire-Atlantique is known for its natural lakes, reservoirs, and artificial lakes. These bodies of water support diverse ecosystems and offer various recreational opportunities.
- The lakes in Loire-Atlantique are appreciated by the komoot community, with over 340 upvotes and 40 photos shared across various highlights.
Last updated: May 20, 2026
Le Pont de l'Ouen
Highlight • Bridge
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View of the Isac dam and the Nantes-Brest canal from Bout du Bois
Highlight • Viewpoint
The surroundings are very quiet and with shade if necessary.
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Etang de Roche Ballue
Highlight • Lake
Be careful, beyond the buoys, the pond becomes very deep and therefore dangerous. It is therefore necessary to supervise the children.
There are also children's games, picnic tables and a bicross field on site.
NB: entry is payable in summer (with supervised swimming).
Apart from the road, several options of paths to get there or from there:
The Chemin des Foulques allows you to continue along the slopes towards La Montagne, for fairly committed cycling and passages that will require you to dismount.
The path of the Estacade which goes towards the Loire (cul-de-sac) offers several observation posts of the wetlands and their avian fauna.
The Chemin de la Mandrine links with the Port Lavigne shipyard and the statues of animals perched in the trees.
Finally, the Chemin de la Sangle goes towards Bouguenais. Nice, but you have to climb a long and steep staircase, so not at all compatible with heavy bikes or panniers.
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Île Clémentine
Highlight • Lake
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Plessis Pond
Highlight • Lake
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Lake Grand-Lieu, Pierre Aiguë site
Highlight • Lake
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Mabille Valley Lake
Highlight • Lake
Very famous among the locals, this little green setting is also a delight for long-distance hikers. Indeed, the iconic GR 3 meanders along its banks.
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The Blue Hole
Highlight • Structure
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Lake path between Bouaye and Saint Aignan de Grand Lieu
Highlight (Segment) • Trail
At the end, Coté St Aignan, you absolutely must continue to the equally unmissable site of "Pierre Aigüe" in order to admire the most beautiful view of the Lake and its environment.
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West bridge at Lac de Vioreau
Highlight • Lake
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Popular around Loire-Atlantique
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Tips from the Community
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 idyllically situated "Etang du Plessis" is available in the komoot system not only for joggers, but also as a highlight for various sports, including hikers, with additional photos uploaded there. If you're interested, see =>> https://www.komoot.com/de-de/highlight/5834270
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A paradise for birds and fishermen.
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A very pretty corner.
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Very nice view from the bridge Infrastructure next to it allowing you to take a break for a bite to eat.
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Frequently Asked Questions
Which lakes in Loire-Atlantique are best for nature observation and birdwatching?
For nature observation and birdwatching, Lac de Grand-Lieu is unparalleled. It's France's second-largest ornithological reserve, hosting over 270 bird species and 550 plant species. While direct navigation is restricted, you can visit the Maison du Lac de Grand-Lieu for exhibitions and take guided walks to sites like Pierre Aiguë for panoramic views.
What lakes offer opportunities for water sports and swimming?
Lac de Vioreau is the largest navigable inland body of water in Loire-Atlantique, perfect for swimming, dinghy sailing, catamaran, windsurfing, stand-up paddleboarding, and canoeing. Supervised swimming is available in summer. Lac de Savenay also features a swimming pool and leisure park.
Are there family-friendly lakes with amenities in Loire-Atlantique?
Yes, several lakes are great for families. Lac de Vioreau offers landscaped beaches, swimming, and various land activities like hiking and mountain biking. Lac de Savenay (also known as Mabille Valley Lake) provides a swimming pool, leisure park, and a campsite. Etang de Roche Ballue is another family-friendly spot with a beach.
Where can I find accessible walking paths around the lakes?
The Lake path between Bouaye and Saint Aignan de Grand Lieu, along the marshes of Lac de Grand-Lieu, is a shaded and accessible walking path. At Lac de Vioreau, there are dedicated accessible pontoons for fishing, and a 10.5 km loop path around the lake is suitable for walks.
What kind of outdoor activities can I do near the lakes in Loire-Atlantique?
Beyond water sports, the region offers extensive opportunities for hiking, cycling, and mountain biking. You can find numerous routes, including gravel biking and road cycling, that pass by or around the lakes. For example, there are routes like the 'Vallon de la Chaussée – Lac de Grand-Lieu loop' for gravel biking. Explore more options in the Road Cycling Routes in Loire-Atlantique, Gravel biking in Loire-Atlantique, and MTB Trails in Loire-Atlantique guides.
Are there any historical or cultural sites near the lakes?
Near Lac de Grand-Lieu, you can visit the ancient Carolingian abbey church in Saint-Philbert-de-Grand-Lieu. Additionally, the area around Le Pont de l'Ouen offers a panorama at the foot of two lakes and is close to the Goulaine river, providing a historical landscape.
What is the best time of year to visit the lakes in Loire-Atlantique?
The lakes offer different experiences depending on the season. Summer is ideal for swimming and water sports at lakes like Lac de Vioreau. Spring and autumn are excellent for birdwatching at Lac de Grand-Lieu due to bird migration. Winter sees Lac de Grand-Lieu expand significantly, offering a different, vast landscape, though some paths might be less accessible.
Can I go fishing in the lakes of Loire-Atlantique?
Yes, fishing is a popular activity, especially at Lac de Vioreau, which is home to a significant population of fish, including pike-perch and perch. There are even dedicated accessible pontoons for people with reduced mobility.
Are there any viewpoints offering scenic vistas of the lakes?
Absolutely. The Pierre Aiguë site at Lac de Grand-Lieu offers exceptional panoramic views. You can also find beautiful vistas from Bout du Bois, overlooking the Isac dam and the Nantes-Brest canal, which features a lake-like section.
What do visitors enjoy most about the lakes in Loire-Atlantique?
Visitors particularly appreciate the diverse natural landscapes and the variety of activities available. The tranquility of natural reserves like Lac de Grand-Lieu for birdwatching, the active recreational opportunities at Lac de Vioreau, and the pleasant walking paths such as the Lake path between Bouaye and Saint Aignan de Grand Lieu are frequently highlighted.
Are there any unique natural features to explore around the lakes?
Yes, Lac de Grand-Lieu is notable for its four distinct habitats: open water, an area covered with water lilies (forming France's largest herbarium), reed beds, and meadows that flood seasonally. Île Clémentine, while on the Loire, offers a small haven of nature with a tree-lined hiking trail and views of the river.
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Still not found your perfect lake in Loire-Atlantique? Check out the guides of these regions to see even more beautiful places.
