Best lakes around Île-D'Arz are primarily coastal features, ponds, and marshes rather than natural freshwater lakes. Île-D'Arz is an island situated in the Gulf of Morbihan, characterized by its varied coastal landscapes, coves, and mudflats. The island's natural environment includes areas like the historic Berno Tide Mill, which utilizes tidal power and creates a distinctive landscape. Visitors can explore these unique natural features and the island's 17 km coastal path.
Last updated: June 22, 2026
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Small lake with an information board.
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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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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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From the path you can see the Cairn de Gavrinis and the cromlech of Er Lannic
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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 at low tide and totally submerged during high tides. It is rich in eelgrass which attract waterfowl, such as geese, shelducks, swans and egrets. The sacred ibis is also common there since its accidental introduction into the gulf.
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Île-D'Arz is an island in the Gulf of Morbihan, so its 'lakes' are primarily coastal features, ponds, and marshes rather than natural freshwater lakes. You'll find varied coastal landscapes, coves, and mudflats, which contribute to the island's unique character and support diverse wildlife.
Yes, the island features the historic Berno Tide Mill, which dates back to at least 1575 and utilizes tidal power. Additionally, Duke's Pond is a 10-hectare body of water believed to be an old quarry, constructed by monks in the 12th century.
You can visit Lasné Marsh, a 30-hectare area known for its rich diversity of birds, with thousands visiting annually. Another excellent spot is Anse de Mancel, which is rich in eelgrass and attracts various waterfowl like geese, shelducks, swans, and egrets.
Several spots are suitable for families. Lasné Marsh and Anse de Mancel are great for observing nature. Duke's Pond is also considered family-friendly, offering a historical context. The View of the Gulf of Morbihan provides stunning panoramas for all ages.
The island offers sumptuous panoramas of the Gulf of Morbihan. From places like Bernon Cove, you can get breathtaking views, and the View of the Gulf of Morbihan provides a 360-degree perspective of the national reserve.
You can explore the island's 17 km coastal path, which is ideal for walking. For cycling enthusiasts, there are various routes available, including cycling, road cycling, and gravel biking routes around Île-D'Arz.
The island's 17 km coastal path offers varied terrain. While much of it is accessible, some passages, such as those near Bernon Cove, are not fully equipped and may require stepping over rocks, suggesting an intermediate difficulty for certain sections.
Île-D'Arz is best enjoyed when the weather is pleasant for outdoor activities. Spring and autumn offer mild temperatures and fewer crowds, ideal for walking the coastal path and observing the rich birdlife in areas like Lasné Marsh and Anse de Mancel.
Île-D'Arz is an island, typically accessed by ferry. While specific parking and public transport details on the mainland vary, the ferry service connects visitors to the island, allowing exploration of its tranquil, nature-focused environment.
Visitors appreciate the rich animal diversity, especially the thousands of birds that feed and nest in the marshes like Lasné Marsh. The breathtaking views from the coastal path, such as those at Bernon Cove, are also highly valued.


Still not found your perfect lake around Île-D'Arz? Check out the guides of these regions to see even more beautiful places.