Best lakes around Saint-Guen are found in the commune of Côtes-d'Armor, France, featuring the large artificial Lac de Guerlédan and the smaller Etang de St-Guen. Lac de Guerlédan, Brittany's largest artificial lake, stretches 12 kilometers and was formed by a hydroelectric dam. The area offers diverse natural landscapes, from the extensive shores of Guerlédan to the tranquil setting of Etang de St-Guen.
Last updated: June 23, 2026
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The silence of the woods, the beauty of the landscape and the views over Lake Guerlédan
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Very beautiful forest path in the Quénécan forest between the dam and Sordan
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Superb view of Lake Guerledan from the treetop adventure course
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Guerledan Dam possibility of going to the foot by road to admire this impressive building. On the right a small path leads up to lake level, the view is superb.
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The cove of Landroannec has a small beach and is crossed by the path that goes around the lake of Guerlédan. It is a beautiful leisure base and a choice birdwatching spot.
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This trail offers great little singles for hiking or running on an ultra-fun route with, in addition, magical viewpoints over Lake Guerlédan.
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Nice view. Perfect to take a breather
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Large lake next to the quaint hamlet of Landroanec. On the opposite side there's a beach.
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Lac de Guerlédan is a hub for outdoor activities. You can enjoy water sports like water skiing, canoeing, paddleboarding, and pedal boating. Swimming is popular at designated spots such as Beau Rivage at Caurel and Anse de Sordan at St Aignan. The woody shores also offer numerous paths for hiking and cycling.
Yes, the area around Lac de Guerlédan features many hiking paths. For an ultra-fun route with magical viewpoints, consider the Shaded trail along Lake Guerlédan. You can find more options in the Running Trails around Saint-Guen guide, which also includes walking routes.
Lac de Guerlédan's shores are part of several cycling routes, including mountain bike circuits near Anse de Guerlédan. You can explore various options for touring and road cycling in the Cycling around Saint-Guen and Road Cycling Routes around Saint-Guen guides.
Absolutely. The Landroannec Cove offers a small beach and is a great leisure base. The View of Lake Guerlédan is another family-friendly spot with panoramic views. The smaller Etang de St-Guen is also very accessible, featuring play areas, lawns, and fishing pontoons, along with amenities for people with reduced mobility.
For splendid vistas, visit the View of Lake Guerlédan. Tregnanton at Saint Gelven also offers excellent viewing points of the lake, moorland, and gorse. The Shaded trail along Lake Guerlédan is known for its magical viewpoints.
The Guerlédan Dam itself is a significant landmark, an impressive structure built between 1923 and 1930. Nearby, you can also find the hamlet of Forges-des-Salles, one of Brittany's oldest steel industry sites, showcasing preserved buildings.
Yes, swimming is popular in Lac de Guerlédan, with designated spots like Beau Rivage at Caurel, which has one of the largest artificial beaches, and Anse de Sordan at St Aignan. The Etang de St-Guen is not typically recommended for swimming due to potential cyanobacteria proliferation during warmer months.
Fishing is a popular activity. The Etang de St-Guen is particularly noted for white fish angling, with species like common carp, roach, rudd, and pike. Tregnanton at Saint Gelven on Lac de Guerlédan is also an exceptional fishing spot with a landing stage. Always check local regulations and advisories, especially regarding fish consumption from Etang de St-Guen during high temperatures.
The lakes are enjoyable throughout the year, but summer offers the best conditions for water sports and swimming. Spring and autumn are ideal for hiking and cycling, with pleasant temperatures and beautiful scenery. Be aware that during summer and early autumn, the Etang de St-Guen may experience cyanobacteria proliferation, which can affect water contact.
Yes, Lac de Guerlédan features several spots with beaches. Beau Rivage at Caurel boasts one of the largest artificial beaches on the lake. The Landroannec Cove also has a small beach, as does Landroanec Beach.
Etang de St-Guen is a smaller, more local pond, covering 1 hectare, primarily known for white fish angling and its accessibility. It offers numerous amenities for families, including play areas and facilities for people with reduced mobility. Lac de Guerlédan, on the other hand, is a much larger artificial lake, stretching 12 kilometers, and is a major hub for a wider range of water sports, extensive hiking, and cycling.


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