Best lakes around the Garonne-Kanal offer diverse natural settings for outdoor activities. The Garonne Canal, connecting Toulouse to Castets-en-Dorthe, is known for its picturesque landscapes and accessible aquatic destinations. The surrounding region provides opportunities for cycling, walking, and enjoying nature. This area combines recreational appeal with natural beauty, making it a notable destination for visitors.
Last updated: July 7, 2026
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Spectacular landscapes, 360º views everywhere you look is worth it.
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3 hours to walk just around the lake, which you barely see due to the vegetation. The only access point to the lake is the small beach where dogs are allowed on a leash. This is completely out of line with the advertised duration. There's very little view of the lake, and a lot of trash on the route, half of which is a paved bike path. A good portion passes through squats, shantytowns, garbage dumps, and other signs of human activity with little respect for nature. A good portion runs along the highway. In short, it was a disappointment for us; we don't recommend this route.
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Lake Mayor de Colomers is a lake of glacial origin located at 2128 m in the municipality of Alto Arán, in the Valle de Arán region. Lake Mayor de Colomers is one of the largest lakes in the Cirque de Colomers, a glacial cirque of more than 50 lakes crowned by peaks that exceed 2,500 meters, such as the Tuc de Ratera (2,861 m) or the Gran Tuc de Colomers (2,933 meters). ). The Colomers refuge is located near the lake.
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The lake of Còth de Baish can be seen from the pass of the same name, at an altitude of 2,190 metres. From the pass it is possible to descend to the lake to admire it up close.
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One of the smallest, but also very flirtatious.
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It lives up to its name, it is the largest in the area.
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Delicious area of walkways between small pools of water.
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Beautiful scene on our way through the Aiguamòg reservoir, located above the town of Tredós and surrounded by a beautiful natural setting. It is ideal for bathing, as there is a small entrance to the water, or perfect for eating, as there is a picnic area with stone benches and a barbecue at the top. It was built in 1969 to regulate the flow of water and produce hydroelectric power. Easy access by road and with parking to leave the car.
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For families, Bordeaux lake is a great option, offering a cycle path and viewpoints. Bassa d'Oles is easily accessible and known for its beauty, while Arres Pond provides facilities and scenic views. Hermitage Park, with its blue lake and views of Bordeaux, is also considered family-friendly. Additionally, the Aiguamòg Reservoir offers facilities suitable for families.
Yes, the region is excellent for cycling. The Bordeaux lake features a dedicated cycle path. The Garonne Canal itself is flanked by greenways and shaded towpaths, perfect for exploring by bike. For more extensive cycling, you can find various routes, including gravel biking, around the Garonne Canal. Check out the Gravel biking around the Garonne-Kanal guide for detailed routes.
The lakes offer diverse natural beauty. You'll find stunning panoramic views at Lake Major of Colomers, which is the largest lake in the Colomèrs cirque. Estanh dera Lòssa features a unique wooden walkway over a flooded area, leading to a bridge over the Aiguamòg river. Many lakes are nestled within forests, like Bassa d'Oles and Hermitage Park, providing serene natural settings.
Lake Saint-Nicolas-de-la-Grave, located at the confluence of the Tarn and Garonne rivers, is a comprehensive leisure base offering a wide array of activities including water sports and swimming. It's a popular spot for recreation in the region.
Many areas around the Garonne Canal and its associated lakes offer pleasant walking opportunities. The shaded towpaths along the canal are ideal for peaceful strolls. For specific easy hiking routes, you can explore the Easy hikes around the Garonne-Kanal guide, which includes trails like the 'Bordeaux: Two Bridges Trail'.
Lake Saint-Nicolas-de-la-Grave is notable not only for its recreational activities like swimming and water sports but also as a significant ornithological reserve. It's recognized as the largest in the South-West of France for its diverse bird species, offering an ornithological observatory for birdwatchers. Its inclusion as a 'great site' along the Canal de Garonne route highlights its importance.
Yes, Lac Bleu de Bergon is notably situated directly alongside the Canal de Garonne, specifically upstream of lock PK 86 near Lamagistère. It's easily accessible and features picnic tables and benches, making it a convenient and serene stop for canal users and visitors.
Visitors frequently highlight the stunning panoramic views, such as those from Lake Major of Colomers. The unique experience of walking on a wooden walkway over a flooded area at Estanh dera Lòssa is also highly appreciated. Many enjoy the accessibility and beauty of spots like Bassa d'Oles, describing it as a 'corner of great beauty'.
While the immediate vicinity of the Garonne Canal is generally flatter, the broader region offers mountain hiking opportunities. For challenging mountain hikes, you can refer to the Mountain Hikes around the Garonne-Kanal guide, which includes routes like the 'Boum de Venasque loop'.
The Montech area, while not home to large singular lakes directly on the Garonne Canal, is significant for its natural settings and the Canal de Montech, a branch connecting to Montauban. It's known for the Montech Forest, offering hiking, and its unique Montech water slope, an impressive engineering marvel. The shaded towpaths here are popular for walking and cycling.
Several lakes provide unique viewpoints. Lake Major of Colomers offers a panoramic view of the Colomèrs cirque. Hermitage Park features steps leading to a view of the city of Bordeaux. Lake of Còth de Baish can be admired from the pass of the same name, offering a different perspective.

