Lakes around Tréguennec are characterized by a wild coastline, extensive dunes, and rich natural wetlands in the Finistère department of Brittany, France. The region features significant ponds and a coastal lagoon, integral to its biodiversity. Much of the area is part of the "Dunes et paluds bigoudènes" Regional Nature Reserve, highlighting the ecological importance of its aquatic environments. These natural features offer diverse opportunities for nature observation and hiking.
Last updated: October 23, 2026
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This path can be difficult to navigate on an electric bike in some places. You have to pull or even carry your bike. Not to mention the steep climb above the dam, which I wouldn't have been able to do on my own.
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Hiking and gravel trails to explore
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It could be a place in “The Mists of Avalon” ☺️
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L'Étang de Trunvel is a beautiful body of water located in Brittany, France. Surrounded by greenery, it offers a peaceful setting for fishing and wildlife observation.
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Why this name of Staumauer (dam in German). I searched for an explanation and found nothing.
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Separated from the rough Atlantic by a narrow strip of beach. It is connected to the Etang de Trunvel by a canal. Both etangs are home to endangered plant and animal species.
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Early morning or evening great light for a photo session
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The region is a haven for nature lovers. Trunvel Pond is internationally recognized for birdwatching, especially for rare migratory birds, with its extensive reed beds. Étang de Kergalan, connected to Trunvel, also contributes to this rich biodiversity. Saint-Vio Lake offers a chance to observe local flora and fauna, and the Maison de la Baie d'Audierne provides educational insights into the natural heritage.
Yes, several lakes are suitable for families. Trunvel Pond and Étang de Kergalan are both marked as family-friendly. Saint-Vio Lake features an 'Art and Nature' trail, and the Maison de la Baie d'Audierne hosts nature activities and exhibitions. The area around Moulin Neuf Reservoir also offers a shaded 7-kilometer footpath perfect for leisurely family strolls.
Beyond walking, the area around Tréguennec's lakes offers various outdoor activities. You can find numerous routes for hiking, touring cycling, and mountain biking. For example, the 'Circuit de l'étang de Trunvel' is a popular route for exploring the pond and dunes, and the Moulin Neuf Lake area is great for jogging and cycling.
Yes, fishing is a popular activity in the region. Trunvel Pond is known for its peaceful setting for fishing. Moulin Neuf Lake is also very popular with anglers, though a fishing license is required to fish there.
Trunvel Pond is an outstanding site for birdwatching year-round. However, it is particularly ideal during spring and autumn migrations, and throughout winter, when you can spot a diverse range of rare migratory birds.
Near Saint-Vio Lake, you can find the smallest of the Bigouden chapels, Saint-Vio Chapel, which features a 16th-century fountain reputed for miraculous powers. The Maison de la Baie d'Audierne, located on the banks of Saint-Vio Lake, also hosts exhibitions that delve into the region's natural and cultural heritage.
Many trails are suitable for easy walking. The 'Art and Nature' trail around Saint-Vio Lake offers leisurely strolls. The 'Circuit de l'étang de Trunvel' is generally flat and family-friendly. Around Moulin Neuf Reservoir, there's a shaded 7-kilometer footpath perfect for relaxed walks. For more options, explore the hiking guide for Tréguennec.
Trunvel Pond is unique for its international recognition as a birdwatching hub, especially for migratory birds. Its reed beds are globally important for marsh warbler migration, and it hosts a bird ringing station. It's also a vital part of the Audierne Bay ecosystem, holding Ramsar and Natura 2000 designations for its ecological value.
The Maison de la Baie d'Audierne, located by Saint-Vio Lake, is a visitor center open from May to October. It offers nature activities, exhibitions on local flora and fauna, films, and lectures, providing educational insights into the region's rich natural heritage.
While specific regulations vary, the 7-kilometer footpath around Moulin Neuf Reservoir is noted as ideal for dog walking, away from traffic. It's always recommended to keep dogs on a leash to protect local wildlife, especially in protected areas like the 'Dunes et paluds bigoudènes' Regional Nature Reserve.
The Moulin Neuf Reservoir is a 65-hectare artificial lake that primarily serves as a crucial source of drinking water for the surrounding municipalities. It also offers recreational opportunities like walking, birdwatching, and fishing.


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