Best lakes around Plogastel-Saint-Germain are found in a rural commune in Finistère, Brittany, characterized by its proximity to the coast. While the region is known for its coastline and beaches, several freshwater options are also available. These lakes and lagoons offer diverse natural settings, from tranquil ponds to coastal wetlands. Visitors can explore a variety of landscapes, providing opportunities for nature observation and walks.
Last updated: July 6, 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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The Etang du Corroac'h is a serene coastal lagoon nestled in the heart of Brittany's wild and rugged beauty. Surrounded by lush vegetation and dotted with reeds, you'll find a variety of bird species here that will give you a glimpse into Brittany's natural world.
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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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Early morning or evening great light for a photo session
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The region offers diverse natural settings. For instance, Corroac'h Lagoon is a serene coastal lagoon known for its bird species. La Mer Blanche Lagoon, near Bénodet, is a unique coastal lagoon with brackish water, revealing a white sandy bottom at low tide and offering a dynamic landscape. Étang de Trunvel is a significant wetland habitat, exceptional for birdwatching.
You can enjoy a variety of outdoor activities. Lac de Drennec offers water sports like sailing, canoeing, kayaking, paddleboarding, and windsurfing. For land-based activities, there are numerous routes for cycling, gravel biking, and mountain biking. You can find detailed routes and guides for cycling, gravel biking, and MTB trails in the area.
Yes, several lakes are great for families. Saint-Vio Dam and View of Moulin Neuf Reservoir are both considered family-friendly highlights. Lac de Drennec is also ideal, with two sandy beaches, play areas, and an easy 6.4 km walking trail suitable for families and strollers, complete with shaded paths and picnic spots.
Étang de Trunvel is an exceptional site for birdwatching year-round, attracting seabirds, waders, ducks, and rare migratory birds. La Mer Blanche Lagoon also offers opportunities to observe various fish, mollusks, crustaceans, and seabirds, especially during tidal changes. Kernic Bay, though further afield, is a significant Natura 2000 site and a paradise for birdwatchers.
Lac de Drennec is a popular spot for swimming, boasting two large sandy beaches with very good water quality. While coastal lagoons like La Mer Blanche are scenic, swimming is generally not the primary activity there, and for Kernic Bay, swimming is discouraged due to currents, with nearby Porsmeur beach being a better option.
You'll find various walking opportunities. Lac de Drennec features a well-maintained, easy 6.4 km circular walking trail. La Mer Blanche Lagoon offers an accessible, well-marked 5 km walking loop. Étang de Trunvel has peaceful walks through marshes and along the pond. For more extensive hiking, you can explore the gravel biking routes which often include scenic paths suitable for walking.
Visitors appreciate the peaceful settings and natural beauty. For example, Trunvel Pond is noted for its tranquility and wildlife observation opportunities, with one visitor describing it as a beautiful body of water perfect for a peaceful setting. The Corroac'h Lagoon is valued for its serene atmosphere and glimpse into Brittany's natural world.
Yes, the Saint-Vio Dam is a notable man-made monument connected to a lake, offering scenic views. The Moulin Neuf Reservoir, created in 1976, is another significant structure serving as a vital drinking water reservoir for the region. Kernic Bay also holds historical significance with megalithic complexes nearby.
Yes, fishing is a popular activity, particularly at Lac de Drennec, which is renowned for trout fishing and classified as a top category site for it in France. Trunvel Pond is also mentioned as a peaceful setting for fishing.
For birdwatching, Étang de Trunvel is excellent year-round, especially for observing migratory birds. La Mer Blanche Lagoon offers dynamic scenery and bird activity that changes significantly with the tides, making both high and low tide interesting for observation. Generally, spring and autumn are ideal for wildlife viewing as migratory patterns are active and the weather is pleasant for walks.
While many trails are easy, some areas offer more challenging options. For instance, the path around Moulin Reservoir can be difficult in places, especially for electric bikes, requiring carrying or pulling. For cyclists, there are 'difficult' rated routes available in the cycling guide, such as 'The Grand Bridge of Douarnenez – Notre-Dame de Tronoën Chapel loop'.


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