Best lakes around Saint-Lumine-De-Coutais are primarily defined by the Lac de Grand-Lieu, a significant natural wetland. This area is recognized for its ecological importance, supporting diverse birdlife and unique flora. Saint-Lumine-De-Coutais offers various viewpoints of the lake and its surrounding marshes. Additionally, a recreational water body provides opportunities for swimming and leisure activities.
Last updated: July 5, 2026
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Beautiful panorama from this spot, we can see the expanse of the lake as well as Nantes in the background
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I went there to take a dip but the site was littered with rubbish (cake wrappers, chips, candy, tissues, McDonald's bags, pizza boxes, etc.) right down to the water. Exceptional because it was the day after the music festival or just a habit? Sunday was also packed with people (obviously)
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The largest natural plain lake and the second largest ornithological reserve in France, Lake Grand-Lieu offers magnificent lakeside landscapes. Here, you have to get off your bike to get as close as possible to its waters.
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Magnificent view of the lake 👌
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It's quiet and it rolls well Perfect for a quiet ride
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Arriving from La Chevroliere in the direction of Pont Saint Martin, turn off to cross the Ognon with the Bac in spring and summer, it's more pleasant
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It is possible to go around the lake by bike
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Beautiful view of the lake of Grand-Lieu
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Lac de Grand-Lieu is one of France's largest natural lowland lakes, internationally recognized for its ecological importance. It's a sanctuary for diverse birdlife and unique flora, including 800 hectares of water lilies, which are unique in Europe. It's also the second-largest ornithological reserve after the Camargue.
For panoramic views, visit the Lake Grand-Lieu, Pierre Aiguë site, which is also excellent for bird observation. Another exceptional panoramic view can be gained from the observation deck at the top of the church bell tower in Saint-Lumine-De-Coutais. The Lake Grand-Lieu highlight also offers beautiful views and is accessible by road bike.
Yes, the Plan d'Eau de la Base de Loisirs offers a designated beach for swimming. It's a recreational body of water designed for leisure activities, making it a good option for families during warmer months.
You can find peaceful and shaded walking paths, such as the Lake path between Bouaye and Saint Aignan de Grand Lieu, which runs along the marshes of Lac de Grand-Lieu and is accessible to all. For more hiking options, explore the hiking routes around Saint-Lumine-De-Coutais, which include trails like the 'Tour of Lake Grand-Lieu Trail'.
The landscape around Lac de Grand-Lieu changes dramatically between summer and winter, offering different experiences. In winter, the lake's size can almost double due to flooding, providing stunning views of flooded marshes. Summer offers pleasant walks through the marshes. Birdwatching is excellent throughout the year, but specific species may be more prevalent seasonally.
Yes, several areas are family-friendly. The Lake Grand-Lieu, Pierre Aiguë site is accessible to everyone, and the Lake path between Bouaye and Saint Aignan de Grand Lieu is a shaded, peaceful walking path accessible to all. The Plan d'Eau de la Base de Loisirs also provides a safe, designated area for family water activities.
Yes, cycling is a popular activity. You can access views of Lake Grand-Lieu by road bike, though paths might be affected by high water levels in winter. For more cycling adventures, check out the road cycling routes and gravel biking routes available in the area.
Lac de Grand-Lieu is a haven for wildlife, especially birds, being the second-largest ornithological reserve in France. You can observe a large number of bird species and unique plant life. The lake also supports approximately 30 species of fish, including pike, carp, bream, and catfish.
Yes, the preservation of Lac de Grand-Lieu as a natural reserve was significantly aided by perfumer Jean-Pierre Guerlain, who, passionate about hunting and fishing, donated his portion of the lake to the state to become a reserve. This act was crucial in protecting its remarkable fauna and flora.
The Lake path between Bouaye and Saint Aignan de Grand Lieu is noted as being accessible to all, including for wheelchairs and strollers, offering a shaded and peaceful experience along the marshes.
Beyond Lac de Grand-Lieu, you can visit the Plan d'Eau de la Base de Loisirs for recreational swimming. Another option is Saint-Philbert-de-Grand-Lieu Lake, which offers opportunities to cycle around it.
For additional information about the commune and its heritage, you can visit the local tourism website: grandlieu-tourisme.fr.


Still not found your perfect lake around Saint-Lumine-De-Coutais? Check out the guides of these regions to see even more beautiful places.