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Vannes

Top 20 Lakes around Vannes

Lakes around Vannes offer diverse natural landscapes near this coastal city on the Gulf of Morbihan. While the Gulf itself is an inland sea, the region features various freshwater lakes and marshlands. These areas provide opportunities for outdoor activities and exploration. The natural environment around Vannes is characterized by its unique blend of coastal and inland water bodies.

Best lakes around Vannes

  • The most popular lakes is Bernon Cove, a beach that offers views of the coastal path. This…

Last updated: June 22, 2026

Lasné Marsh

Highlight • Natural

With a total surface area of 30 hectares, the marsh has been divided into three equal zones: an oyster farm, a quiet area for birds and a salt pan. In …

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Magpie Island

Highlight • Natural

Very nice view of the island from the canal. There is the possibility of taking a break with a beautiful view of the rocks of the island (café which also offers food, and picnic tables).

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Château de Trédion

Highlight • Castle

The castle of Trédion which is more a manor than a real castle belonged to the Duchy of Brittany. The Dukes of Brittany came to hunt there because a large …

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Arzal Dam and Marina

Highlight • Monument

Built in 1970, the Arzal dam allows the regulation of the waters of the Vilaine and the storage of drinking water for the inhabitants of the region. Its construction allowed …

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Bernon Cove

Highlight • Beach

This portion of the coastal path offers a breathtaking view of Bernon Cove. Some passages are not equipped and require you to step over rocks.

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Lac au Duc

Highlight • Lake

Created by monks in the 12th century, Lac au Duc is the largest of Brittany's inland lakes. Its 250 hectares extend between Ploërmel, Taupont and Loyat.

Measuring approximately 5.5 km …

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Gourvinec Pond

Highlight • Lake

This pond is bordered by a path. Ideal for a walk. It also hosts the La cave au grenier festival every year on the first weekend of October with a …

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Anse de Mancel

Highlight • Natural

The cove of Mancel includes an island, the island of Mancel. The villages of Mousterian and Montsarrac are located on either side of the cove. It is almost completely emerged …

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View of the Gulf of Morbihan

Highlight • Viewpoint

In the middle of the Gulf of Morbihan, Île-aux-Moines is the perfect place to admire the national reserve at 360 degrees. Exploring the island by bike is a delight.

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Lestrenig Pond

Highlight • Forest

Very pretty pond with a very special atmosphere.
It was the pond of the Lestrenig manor.

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Hiking Collection by

Julien Harté

Tips from the Community

Thomas
September 28, 2025, Étang de Lestrenig

Small lake with an information board.

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It's a truly wonderful experience when the lock is opened for the sailing ships. This exciting spectacle, as the road is closed, the drawbridge is raised, and the sailors enter and exit the lock, is not to be missed.

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In the middle of the Gulf of Morbihan, Île-aux-Moines is the perfect place to admire the national reserve at 360 degrees. Exploring the island by bike is a delight.

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Very pretty pond with a very special atmosphere. It was the pond of the Lestrenig manor.

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This portion of the coastal path offers a breathtaking view of Bernon Cove. Some passages are not equipped and require you to step over rocks.

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With a total surface area of 30 hectares, the marsh has been divided into three equal zones: an oyster farm, a quiet area for birds and a salt pan. In addition to their landscapes, the marshes bordering the Gulf of Morbihan are home to a wide diversity of birds.

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Lucy
October 24, 2023, Lac au Duc

Created by monks in the 12th century, Lac au Duc is the largest of Brittany's inland lakes. Its 250 hectares extend between Ploërmel, Taupont and Loyat. Measuring approximately 5.5 km by 500-900 m, Lac au Duc is surrounded by a variety of different natural habitats and wetlands. If you look carefully, you might be lucky enough to see otters, frogs or deer.

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SimonWicart
October 11, 2023, Marais de Lasné

Like the numerous marshes that embroider the interior of the Gulf of Morbihan, the Lasné marsh maintains a rich animal diversity. Every year, thousands of birds come to feed and nest in its waters. When walking, be discreet and equip yourself with a binocular to observe them.

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Frequently Asked Questions

What kind of natural landscapes can I expect around Vannes' lakes?

The region around Vannes offers a diverse blend of natural landscapes, from freshwater lakes and marshlands to the unique coastal environment of the Gulf of Morbihan. You can find areas like Lasné Marsh, which is a significant bird habitat, and the expansive Lac au Duc, Brittany's largest inland lake. The Gulf of Morbihan itself, often called a 'small inland sea,' features numerous islands and a distinctive microclimate.

Are there good spots for birdwatching near Vannes?

Yes, Lasné Marsh is an excellent spot for birdwatching. This 30-hectare natural area, bordering the Gulf of Morbihan, is home to a wide diversity of birds, with thousands coming to feed and nest annually. It's recommended to be discreet and bring binoculars for the best experience.

What outdoor activities can I do near the lakes around Vannes?

The lakes and surrounding areas offer a variety of outdoor activities. You can enjoy hiking on trails around the Gulf of Morbihan, with options like the 'Loop of the Gulf Points' or the 'Île-aux-Moines Coastal Trail'. Cycling is also popular, with routes such as the 'Vannes and Arradon Coastal Loop'. For more details on routes, check out the hiking, MTB, and road cycling guides for Vannes.

Can I go swimming in any of the lakes near Vannes?

Yes, several lakes and water bodies near Vannes are designated as bathing spots. These include Étang du Moulin Neuf, Étang des Brières du Bourg, Étang de la Ville Moisan, Étang de Kernevy, Étang du Val-Vert, and Étang Aume, offering opportunities for relaxation and swimming.

Are there family-friendly lakes or activities in the Vannes area?

Many areas around Vannes' lakes are family-friendly. Lac au Duc is a great option, known for various activities. Other highlights like Lasné Marsh and Arzal Dam and Marina are also suitable for families. The bathing lakes mentioned previously also provide family-friendly swimming opportunities.

What is the Gulf of Morbihan, and how does it relate to the lakes around Vannes?

The Gulf of Morbihan is a remarkable 'small inland sea' near Vannes, not a freshwater lake. It's a sheltered bay with around forty islands and islets, known for its unique microclimate and stunning landscapes. While distinct from the freshwater lakes, it's a major natural feature of the Vannes region, with the Marle (or Vannes River) flowing into it, forming the city's marina. You can explore its beauty via boat cruises or coastal paths.

Are there any historical sites associated with the lakes around Vannes?

Yes, Lac au Duc has historical significance, as it was artificially created by monks in the 12th century. Additionally, the Château de Trédion, a former Duchy of Brittany hunting ground, features a park with an artificial river, waterfall, and pond, registered in the pre-inventory of remarkable gardens.

Where can I find scenic views of the lakes or coastline near Vannes?

For breathtaking views, visit Bernon Cove, which offers stunning vistas from the coastal path. Magpie Island provides views of the Nantes-Brest canal, and the View of the Gulf of Morbihan from Île-aux-Moines offers a 360-degree panorama of the national reserve.

What is Lac au Duc known for?

Lac au Duc is the largest inland lake in Brittany, spanning 250 hectares. It's notable for its historical origin, having been created by monks in the 12th century. Today, it's a popular destination for various activities, including water sports, fishing, and walks along its shores, surrounded by diverse natural habitats.

Are there easy walks around the lakes for all abilities?

Yes, there are options for easy walks. Many of the coastal paths around the Gulf of Morbihan offer accessible sections, and the shores of lakes like Lac au Duc provide pleasant, relatively flat routes suitable for various abilities. For specific easy routes, consult the local hiking guides.

What is the best time of year to visit the lakes around Vannes?

The region benefits from a mild microclimate, making it pleasant for visits throughout much of the year. Spring and autumn offer comfortable temperatures for hiking and exploring, with fewer crowds. Summer is ideal for water activities and enjoying the bathing lakes, though it can be busier. The unique landscapes of the Gulf of Morbihan are beautiful in any season.

Are the lakes around Vannes dog-friendly?

Many natural areas and trails around the lakes and the Gulf of Morbihan are dog-friendly, especially if dogs are kept on a leash. However, specific regulations can vary by location, particularly in protected areas or designated bathing spots. It's always best to check local signage or specific highlight details for the most current information.

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Find the best lakes around Vannes per region:

SurzurTreffléanCampénéacPloerenArradonSaint-ArmelSarzeauSaint-NolffMauronArzonPorcaroElvenMonterblancTheix-NoyaloSaint-AvéGuerBadenGolfe Du MorbihanNéant-Sur-YvelSaint-Malo-De-BeignonSaint-Gildas-De-RhuysLarmor-BadenConcoretLa Trinité-SurzurSénéAuganLe Tour-Du-ParcBeignonTréhorenteucLe HézoPlescop

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

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