Best lakes around Les Neyrolles are found in the Ain department of France, an area characterized by its diverse natural beauty. The region features several lakes, including glacial and mountain lakes, nestled amidst green hills, limestone cliffs, and dense forests. These natural features provide varied landscapes for outdoor activities and offer insights into the area's geological and industrial past. The lakes contribute to the ecological significance of the area, with several designated as sensitive natural areas.
Last updated: May 8, 2026
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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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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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This beautiful spot is ideal for taking a break. There are benches and public restrooms.
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Great view of the Lac from Belvedere.
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The lakes in the Ain department, near Les Neyrolles, are known for their diverse natural beauty. They include glacial lakes like Lac de Nantua, and mountain lakes such as Lac Genin, nestled amidst green hills, limestone cliffs, and dense forests. Many are designated as 'sensitive natural areas' due to their ecological importance.
Lac de Sylans is a natural lake known for its remarkably clear water, which can appear green depending on the season. It's an 'espace naturel sensible' (sensitive natural area) with scenic views and a tranquil atmosphere. You can also see the ruins of former 19th-century ice factories along its shores.
Lac de Nantua is a stunning glacial lake cradled by green hills and limestone cliffs. Its water color famously shifts between sapphire and emerald, a characteristic noted by Alexandre Dumas in 1834. It has been a protected natural site since 1935 and holds the 'ENS' label for its ecological significance.
Lac Genin, often called the 'Little Canada of Haut-Bugey,' is a picturesque mountain lake at 850 meters altitude. It's surrounded by a typical Jura forest of fir and spruce trees, offering a wild and peaceful atmosphere. It's also classified as a picturesque site and an 'ENS' labeled site.
Yes, several lakes are ideal for families. Lac de Nantua offers supervised swimming beaches, sailing, canoeing, and pedal boating. Lac Genin provides supervised swimming in summer, hiking, and even tree climbing. Étang de Lalleyriat is also family-friendly, with benches and public restrooms available.
Yes, swimming is permitted and supervised at specific locations. You can enjoy supervised swimming at the two beaches of Lac de Nantua and at Lac Genin during the summer months. Swimming is generally not allowed at Lac de Sylans.
The lakes offer a wide range of outdoor activities. You can enjoy hiking and cycling around Lac de Nantua, or explore the forests around Lac Genin by hiking or mountain biking. Fishing is popular in all three main lakes for species like pike, trout, whitefish, and carp. For more structured routes, explore the road cycling, mountain biking, and general cycling routes available in the area.
Yes, particularly at Lac Genin. When temperatures drop sufficiently in winter, the lake freezes over, allowing for unique activities such as ice skating, ice diving, snowshoeing, and cross-country skiing, creating a truly memorable experience.
Yes, Lac de Sylans is notable for the ruins of former ice factories that operated until 1917, marking it as one of the 19th century's largest ice harvesting sites. Lac de Nantua has been a protected natural site since 1935 and was famously described by Alexandre Dumas in 1834.
The best time to visit depends on your preferred activities. Summer is ideal for swimming, boating, hiking, and cycling at Lac de Nantua and Lac Genin. For unique winter experiences like ice skating or snowshoeing, visit Lac Genin when the lake freezes over.
Yes, some lakes offer facilities. Étang de Lalleyriat is equipped with benches and public restrooms, making it a convenient spot for a break. At Lac Genin, an auberge (inn) on-site provides accommodation and dining, specializing in wood-fired dishes.
There are several excellent viewpoints. For Lac de Nantua, the View over Lake Nantua highlight offers panoramic vistas from 300 meters above. For Lac de Sylans, the View of Lake Sylans provides a great perspective of the lake and its historic icehouses.


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