Lakes around Avessac are primarily found in its immediate vicinity within the Loire-Atlantique department. While Avessac itself does not host large lakes, the surrounding area offers diverse aquatic environments. These include recreational lakes like Etang de Buhel, known for its facilities, and natural areas such as the Marais de Gannedel. Historical sites like Étang du Val also contribute to the region's natural and cultural landscape.
Last updated: June 21, 2026
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The Gannedel marsh was formed where the Canut joins the Vilaine, and is today classified as a natural zone of ecological fauna and flora interest (ZNIEFF), welcoming more than a hundred species of birds throughout the year.
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Pond completely wooded with greenery in its surroundings which adds interest to its discovery as much on foot as any other.
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It is a beautiful pond surrounded by woods and rocks, where you can enjoy the nature and history of the area.
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Many hiking trails cross this site, well known to climbing enthusiasts.
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The Etang de Val is also known as the Etang de Saint Just. At one end of the pond is a dam where two mills used the energy it provided. The view from here is breathtaking.
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At La Chapelle-de-Brain in the Pays de Redon, the natural area of the Gannedel marshes promises a pleasant walk between reedbeds, wet meadows and bodies of water. A circuit fitted out with footbridges and observatories facilitates the exploration of the site of great ecological value.
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Fed by the Héleu stream, the Aumée pond, formerly Au Méé, is a water reserve to supply the Nantes-Brest canal.
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Visitors frequently enjoy Magpie Island, which offers stunning views of the Nantes-Brest canal and is popular for hiking and climbing. Other favorites include Étang du Val (Étang de Saint Just), known for its historical dam and mills, and Valley Pond, a forested area with a lake and a ruined mill.
Yes, several lakes are great for families. Étang du Val and Valley Pond are both considered family-friendly. Additionally, Etang de Buhel in nearby Plessé is an excellent option, featuring an equipped beach with supervised swimming in summer, children's games, and picnic areas. Étang Aumée is also a good choice for family outings.
The region offers a variety of outdoor activities. You can find numerous hiking trails, especially around Magpie Island and the Marais de Gannedel. Etang de Buhel provides opportunities for swimming, fishing, wakeboarding, water skiing, catamaran, optimist, and windsurfing. For more structured routes, explore MTB Trails around Avessac, Cycling around Avessac, and Running Trails around Avessac.
Yes, the lakes around Avessac often blend natural beauty with historical elements. Étang du Val (Étang de Saint Just) is notable for its dam, which once powered two mills. Valley Pond also features a ruined mill, adding to its historical appeal within a natural forest setting.
The Marais de Gannedel offers a circuit fitted with footbridges and observatories, making it a pleasant walk. Etang de Buhel in Plessé also has walking trails around the pond, including a path accessible to people with reduced mobility, ensuring a comfortable experience for many visitors.
You'll find diverse natural landscapes. Magpie Island provides views of the Nantes-Brest canal. The Marais de Gannedel is a natural area of ecological importance with reedbeds, wet meadows, and bodies of water, home to over a hundred bird species. Valley Pond is surrounded by woods and rocks, offering a tranquil forest experience.
Etang de Buhel in Plessé is highly recommended for swimming. It features an equipped beach with supervised swimming during July and August and has received the 'Pavillon Bleu' (Blue Flag) label for its high environmental and water quality standards. Étang Aumée in Fégréac also offers a beach for bathing with good water quality.
Visitors appreciate the blend of natural beauty and recreational opportunities. Many enjoy the scenic views, especially from Magpie Island, and the tranquility of spots like Valley Pond. The historical significance of sites like Étang du Val and the ecological value of the Marais de Gannedel are also highly valued. The diverse activities available at Etang de Buhel make it a popular choice for a full day out.
Yes, Etang de Buhel is known for its diverse fish species, including black-bass, carp, and perch, making it an appealing spot for anglers. Fishing is a popular activity there alongside other water sports.
The summer months, particularly July and August, are ideal for visiting lakes like Etang de Buhel if you plan to swim, as the beach is equipped and supervised during this period. The bar-snack is also open then. For hiking and enjoying the natural scenery, spring and autumn offer pleasant temperatures and beautiful foliage, while winter walks can provide a serene experience, especially around wooded ponds like Valley Pond.
During the summer season, Etang de Buhel in Plessé has a bar-snack available. For other lakes, it's advisable to check local amenities in nearby towns or bring your own picnic, as many sites like Magpie Island and the Marais de Gannedel offer picnic tables.
While specific dog policies vary by location, many natural areas and walking trails around the lakes are generally dog-friendly, provided dogs are kept on a leash and owners clean up after them. It's always best to check local signage at each specific lake or natural site for any restrictions.


Still not found your perfect lake around Avessac? Check out the guides of these regions to see even more beautiful places.