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France
Auvergne Rhône Alpes
Nantua

Le Poizat-Lalleyriat

Top 3 Lakes around Le Poizat-Lalleyriat

Lakes around Le Poizat-Lalleyriat offer diverse natural and recreational experiences in the Jura mountains. This region features a mix of glacial, natural, and man-made lakes, each with distinct characteristics. The area provides opportunities for hiking, water sports, and tranquil natural exploration. Its varied landscapes, from limestone cliffs to forested clearings, define the character of its lakes.

Best lakes around Le Poizat-Lalleyriat

  • The most popular lake is Lake Nantua, a glacial lake known for its waters that change color from…

Last updated: May 7, 2026

Lake Nantua

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This glacial lake backed by limestone cliffs is sometimes sapphire and sometimes emerald in color - Alexandre Dumas wrote in his book Impression de voyage in 1834: “This pretty little …

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Lake Genin

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Nicknamed "the little Canada of Haut-Bugey", this mountain lake, with its alpine fir trees and turquoise waters, is an excellent mid-course break.

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View over Lake Nantua

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At 300 meters, overlooking Lake Nantua, you can appreciate the colors of the water and the extent of its 41 hectares.

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Étang de Lalleyriat

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This beautiful spot is ideal for taking a break. There are benches and public restrooms.

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View of Lake Sylans

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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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Popular around Le Poizat-Lalleyriat

Hiking around Le Poizat-Lalleyriat

Road Cycling Routes around Le Poizat-Lalleyriat

Gravel biking around Le Poizat-Lalleyriat

MTB Trails around Le Poizat-Lalleyriat

Running Trails around Le Poizat-Lalleyriat

Cycling around Le Poizat-Lalleyriat

Tips from the Community

Lucie
August 27, 2025, Lac de Nantua

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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unvara
April 14, 2024, Lac Genin

Viewpoint on Lake Genin.

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Alex Fox
March 3, 2024, Lac de Nantua

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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kelafuti
January 3, 2024, Lac Genin

Wonderful place! There is a restaurant, ideal for a break

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Liese Lotte
September 19, 2023, Lac Genin

Small and cute

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Great view of the Lac from Belvedere.

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Frequently Asked Questions

Which lakes around Le Poizat-Lalleyriat are best for swimming and water activities?

For swimming and a wide array of water activities, Lake Nantua is an excellent choice, offering supervised swimming, pedalos, sailing, canoeing, water skiing, and paddle boarding. Étang de Lalleyriat also features a supervised swimming area during summer, while Lac Genin provides a supervised sandy beach for swimming in warmer months.

Are there family-friendly lakes in the Le Poizat-Lalleyriat region?

Yes, several lakes are ideal for families. Étang de Lalleyriat is designed for year-round family activities, with a supervised swimming area in summer and a natural ice rink in winter. Lac Genin is also very family-friendly, offering swimming, hiking, and even tree climbing, with an inn and picnic areas. Lake Nantua provides supervised swimming and various water sports suitable for all ages.

What historical features can be found around the lakes?

Lac de Sylans has significant historical importance. You can still see the ruins of old ice factories on its shores, which operated until 1917. The lake itself is believed to have formed naturally in the Middle Ages after a cliff collapse, adding to its rich history. A viewpoint offers a good perspective of these historical elements: View of Lake Sylans.

What outdoor activities are available near the lakes in Le Poizat-Lalleyriat?

The region offers a wide range of outdoor activities. You can find numerous MTB trails, including a 'Lake Genin – Lake Genin loop' and a 'View of Lake Nantua loop'. For road cycling, routes like the 'Lake Nantua – View of Lake Nantua loop' are popular. General cycling routes also abound, such as the 'Lake Nantua – Lac de Nantua loop'. You can explore these and more on the dedicated Komoot guides: MTB Trails around Le Poizat-Lalleyriat, Road Cycling Routes around Le Poizat-Lalleyriat, and Cycling around Le Poizat-Lalleyriat.

Which lake is known for its unique natural beauty and color changes?

Lake Nantua is renowned for its striking natural beauty. Its water famously changes color from sapphire to emerald depending on the weather, a phenomenon that even inspired Alexandre Dumas. It is a glacial lake surrounded by impressive limestone cliffs.

Can I go fishing in the lakes around Le Poizat-Lalleyriat?

Yes, fishing is a popular activity in the region's lakes. Lac de Sylans is highly appreciated by fishermen, with abundant pike, carp, and bream. Lake Nantua is also a popular spot for fishing, particularly for carp, pike, trout, and whitefish. Lac Genin also permits fishing. Always check local regulations for specific permits and rules.

What is the best time of year to visit the lakes in Le Poizat-Lalleyriat?

The lakes offer diverse experiences year-round. Summer is ideal for swimming and water sports at Lake Nantua, Étang de Lalleyriat, and Lac Genin. In winter, Étang de Lalleyriat transforms into a natural ice rink, and Lac Genin allows for ice skating, cross-country skiing, and snowshoeing. Hiking is enjoyable in spring, summer, and autumn, with tranquil walks around Lac de Sylans available in milder weather.

Are there accessible facilities for people with reduced mobility at any of the lakes?

Yes, Étang de Lalleyriat is designed with accessibility in mind, featuring fishing pontoons that are accessible to people with reduced mobility. The pathway around the lake is also suitable for easy strolling.

Where can I find accommodation or dining options near the lakes?

Lac Genin is particularly convenient, as it features an inn with a restaurant and hotel, making it suitable for extended visits. The charming lakeside town of Nantua, near Lake Nantua, also provides cultural and gastronomic experiences, including the renowned 'sauce Nantua'.

What makes Lac Genin unique among the lakes?

Lac Genin is known as the 'Little Canada of Haut-Bugey' due to its picturesque setting. It's a small mountain lake nestled in a clearing surrounded by fir trees at an altitude of 830m, offering a serene and beautiful natural environment. It's also a designated Sensitive Natural Area.

Are there hiking trails around Lac de Sylans?

Yes, Lac de Sylans is a protected site, making it a paradise for hikers. You can enjoy walking along its preserved banks, taking in the natural beauty and tranquil environment. While swimming is not permitted, the lake offers excellent opportunities for scenic walks and enjoying nature.

What kind of views can I expect around the lakes?

The lakes offer diverse and stunning views. From View over Lake Nantua, you can appreciate the changing colors of the water and the extent of the lake, backed by striking limestone cliffs. Lac Genin provides picturesque views of a mountain lake surrounded by fir trees. Hiking trails around Lake Nantua also offer amazing panoramic views over the lake and the surrounding Jura mountains.

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

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