Best lakes around Chaux-Des-Crotenay are situated in the Jura department, offering a diverse natural landscape. The region features a series of interconnected lakes, often found within Natura 2000 areas, indicating their ecological significance. These lakes are typically set amidst forests and meadows, with some located on the Jura massif's plateaus. The area provides opportunities for exploring various aquatic environments and their surrounding natural habitats.
Last updated: July 7, 2026
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🌿 Lake Narlay: Essential Information Location: Frasnois municipality, in the Lakes Region (Jura). Altitude: 748 m. Surface area: 41 ha. Depth: Up to 40 m, making it the deepest lake in the Jura. Origin: Glacial lake, likely formed by a rockfall. Environment: Meadows, forests, peat bogs, Natura 2000 and Ramsar sites. (Copilot)
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Small, rocky stretch of beach that you can climb down to, as well as good views of Lac Le Grand Maclu.
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Lac d'Ilay, also called Lac de la Motte, is a lake in the Jura department of France, about 14 km south of Champagnole in Franche-Comté. It lies at an altitude of 774 m in the municipalities of Le Frasnois and La Chaux-du-Dombief and covers an area of approximately 0.7 km². The lake is 1.9 km long, has a maximum width of 400 m, and has a small island (Île de la Motte). Its greatest depth is 32 m.
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Lac de Narlay is a lake in the Jura department of France, about 10 km south of Champagnole in Franche-Comté. It lies at an altitude of 748 m in the municipality of Le Frasnois and covers an area of approximately 0.4 km². The lake is 950 m long and 625 m wide. Its maximum depth is 40 m.
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Lacs de Maclu are two adjacent lakes in the western part of the French Jura, in the Jura department of Franche-Comté. They are located at an elevation of 779 m in a depression in the High Jura, in the region of the Five Lakes near Le Frasnois, about 12 km south of Champagnole. The Petit Maclu, located to the northeast, has an area of 5 hectares, a length of about 500 m, and a maximum width of about 120 m. Its greatest depth is 11 m. It lies entirely within the municipal territory of Le Frasnois.
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Easy, shaded path, perfect for cooling off in hot weather.
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Easy path to walk in the shade, very welcome in case of strong heat.
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For swimming, Lake Narlay is a great option, as swimming is explicitly permitted there. Many of the Jura lakes offer opportunities for refreshing dips, especially during warmer months.
Yes, several lakes are ideal for families. Petit Maclu Lake is noted as family-friendly, offering an easy, shaded path perfect for cooling off. Lake Ilay also offers an easy walk around its shores, suitable for families.
The lakes around Chaux-Des-Crotenay offer diverse natural features. At the Three Lakes Viewpoint, you can observe the unique whitish rim of the lakes, a characteristic resulting from a chemical interaction between chalk, depth, and heat. Lakes like Petit Maclu Lake are part of Natura 2000 areas, featuring rich wetlands with water lilies and reeds, providing habitat for various animal species.
Yes, many lakes offer easy walking opportunities. Petit Maclu Lake has an easy, shaded path. Similarly, Lake Ilay is known for its easy circular walk. Lake Narlay also features a charming path through forests and meadows around its perimeter.
Beyond enjoying the lakes themselves, the region offers various outdoor activities. You can find excellent mountain hikes, including routes like the Fan Waterfall loop. There are also numerous cycling routes, such as the Lake Bonlieu – Petit Maclu Lake loop, and dedicated road cycling routes.
The Jura lakes are beautiful year-round, but the best time depends on your preferred activities. Summer (June to August) is ideal for swimming and water sports, with pleasant temperatures. Spring (April to May) and Autumn (September to October) offer milder weather perfect for hiking and cycling, with vibrant foliage in autumn. Winter brings opportunities for snowshoeing or cross-country skiing in the surrounding Jura massif.
Yes, the Three Lakes Viewpoint is specifically known for offering a breathtaking panorama of three lakes. It's often considered a nicer view than the Bélvédère des 4 Lacs, focusing on the unique characteristics of these specific bodies of water.
For hiking around the Jura lakes, it's advisable to wear comfortable, layered clothing suitable for varying weather conditions. Sturdy hiking shoes are recommended, especially for paths that might be uneven or muddy. A waterproof jacket is always a good idea, and don't forget sun protection and plenty of water.
Visitors particularly appreciate the stunning natural beauty and the tranquility of the area. The unique geological features, like the whitish rim of the lakes seen from the Three Lakes Viewpoint, are often highlighted. The easy, shaded paths around lakes like Petit Maclu Lake and the opportunity for swimming in Lake Narlay are also popular aspects.
While the guide highlights popular spots, the interconnected nature of the Jura lakes means there are many smaller, less-frequented areas. Exploring the paths connecting lakes like Petit Maclu Lake, Grand Maclu Lake, and Lake Ilay can lead you to quieter spots and unique wetland habitats within the Natura 2000 areas.
Yes, circular walks are a popular way to experience the lakes. Lake Narlay has a charming path that goes around its perimeter. Similarly, an easy circular walk is available around Lake Ilay, allowing you to fully appreciate its setting.


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