Best lakes around Nantua are found in the Ain department of France, featuring glacial lakes set against limestone cliffs and the Jura Mountains. The region is known for its waters that display captivating color changes, from sapphire blue to emerald green. Many of these natural areas are designated as Sensitive Natural Areas, supporting diverse flora and fauna. The area provides a combination of natural landscapes and recreational activities.
Last updated: May 8, 2026
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Popular around Nantua
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The Peney viewpoint overlooks Lake Sylans, offering a beautiful view. It is located at the level of the tunnel of the same name.
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The Marron ponds are named after a family from Brénod, it is not a reference to the color of the water. Only one of them remains filled with water all year round. This one served as a water reserve and fishing spot for the monks of the Meyriat abbey. In spring, a multitude of water lilies cover the surface.
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Beautiful, simple, easy walk; lots of traffic noise on the "road" section, a bit of a shame, but the color of the water is magical
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This magnificent lake lies at the confluence of the Ain and Valouse rivers. It is located at the foot of the medieval Château de Conflans.
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From here, you can see the Lac de Sylans very well, the old ice houses located on its edge, and the view extends to the mountains of the Ain.
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Natural jewel, sapphire blue or emerald green waters, nautical activities.
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The lakes around Nantua are nestled amidst diverse natural landscapes. You'll find glacial lakes like Lake Nantua, backed by towering limestone cliffs, and mountain lakes such as Lake Genin, surrounded by alpine fir trees. Many areas, including Lac de Nantua and Lac de Sylans, are designated Sensitive Natural Areas, protecting local flora like wild orchids and fauna such as kingfishers and peregrine falcons. From viewpoints like the View over Lake Nantua, you can appreciate the water's captivating color changes and the surrounding Jura Mountains.
Yes, Lake Nantua is a hub for water sports. You can enjoy swimming at supervised bathing areas, canoeing, paddleboarding, sailing, and pedalo boating. Grassy beaches are available at Pré Gadgène in Montréal-la-Cluse and Nantua. However, swimming is generally not permitted in Lac de Sylans, which offers a more tranquil experience.
Numerous trails cater to hikers and cyclists. Around Lake Nantua, a popular loop is approximately 7 km long, offering panoramic views. For more extensive options, you can explore routes like the 'Panoramic view of the lake – View over Lake Nantua loop' which is a moderate hike. If you're interested in gravel biking, there's a 'Lake Nantua – Lac de Nantua loop' that is more challenging. You can find more hiking options in the Waterfall hikes around Nantua guide or cycling routes in the Gravel biking around Nantua guide.
Yes, Lac de Sylans has a unique historical connection. Its banks feature the ruins of former ice factories that operated until 1917, extracting ice from the lake due to its pure, low-mineral content water. Additionally, Lac de Conflans is located at the foot of the medieval Château de Conflans, offering a glimpse into the region's past.
Several lakes in the region are family-friendly. Lake Nantua offers supervised swimming areas and picnic spots. Lake Genin is known for its picnic areas and serene atmosphere, making it a great spot for a family break. Étang de Lalleyriat also has facilities suitable for families.
The lakes offer beauty throughout the year. Summer is ideal for water sports and swimming at Lac de Nantua. The changing colors of Lac de Nantua are particularly striking on sunny days (emerald green) or overcast days (sapphire blue). Spring and autumn provide pleasant temperatures for hiking and cycling, with vibrant foliage or blooming wild orchids. Even winter can be beautiful, especially around Lake Genin, which is nicknamed 'the little Canada of Haut-Bugey'.
Yes, fishing is a popular activity in the region. Lac de Nantua is known for pike, trout, and whitefish. Lac de Sylans is particularly renowned as a paradise for pike anglers and also has abundant carp and bream. Remember to check local regulations and obtain any necessary permits before fishing.
While Lake Nantua is well-known, Lake Genin is often described as a beautiful hidden lake, offering a perfect getaway. Lac de Sylans also provides a more tranquil and wilder experience compared to Nantua, ideal for those seeking peace and natural beauty away from the crowds.
Visitors appreciate the diverse beauty and recreational opportunities. Many highlight the captivating color changes of Lake Nantua, its dramatic limestone cliffs, and the variety of water sports. Lake Genin is loved for its 'little Canada' feel and as a great spot for a break. The quiet road Along Lake Coiselet is praised for its beautiful landscapes.
Absolutely. The View over Lake Nantua, located 300 meters above the lake, provides an excellent perspective to appreciate the water's colors and the surrounding scenery. There is also a View of Lake Sylans, allowing you to take in the serene beauty of this protected natural area.
The Sensitive Natural Areas around lakes like Nantua and Sylans are home to diverse wildlife. You might spot wild orchids, rare butterfly species, kingfishers, and peregrine falcons. From viewpoints overlooking Lake Nantua, visitors have reported seeing jays, deer, and various butterflies.


Find the best lakes around Nantua per region:
Still not found your perfect lake around Nantua? Check out the guides of these regions to see even more beautiful places.