Lakes around Saffloz, nestled in the Jura Mountains, offer a diverse range of aquatic destinations. The Saffloz region is known as a "land of lakes," featuring significant natural bodies of water. These include large natural lakes, protected sites with rich biodiversity, and smaller, picturesque lakes. The area provides various opportunities for outdoor recreation, making it a notable destination for those seeking natural features.
Last updated: June 24, 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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The Saffloz region, known as the 'land of lakes,' offers diverse natural beauty. You can find large natural lakes like Lac de Chalain with its distinctive turquoise waters, and protected sites such as the area around Petit Maclu Lake, which is part of a Natura 2000 area and provides an exceptional habitat for various animal species. The region also features forests, meadows, and unique geological characteristics like the whitish rim of some lakes, visible from viewpoints such as the Three Lakes Viewpoint.
For breathtaking panoramas, visit the Three Lakes Viewpoint, which offers a unique perspective on the whitish rim characteristic of these lakes. Another notable spot is the Pic de l'Aigle, which provides magnificent views over the Hérisson Valley, the Grandvaux Valley, and even Mont Blanc on clear days.
Yes, several lakes in the region are suitable for swimming. Lake Narlay permits swimming, and Lac de Chalain is well-known for its sandy beaches and turquoise waters, perfect for a dip. Lac de Bonlieu also features a designated beach area for swimming. However, swimming is prohibited in the specific four lakes that form the protected site (Lac d'Ilay, Lac de Narlay, Petit Maclu, and Grand Maclu) to preserve their natural state.
The region offers a wide range of outdoor activities. You can enjoy hiking, e-bike rides, and boat cruises. For specific routes, consider exploring options like the 'Grand Maclu Lake – Shore of Lac de Narlay loop' for an easy gravel biking experience, or the 'View of Lake Chalain – Turquoise waters of Lac de Chalain loop' for hiking. You can find more details on various routes in the gravel biking, hiking, and road cycling guides for the Saffloz area.
Absolutely. Many trails are family-friendly, such as the easy, shaded path around Petit Maclu Lake, which is perfect for cooling off. The area around Lake Ilay also offers easy walks. These trails often pass through forests and meadows, providing a pleasant experience for all ages.
Yes, fishing is a popular activity across many of the lakes in the Jura Mountains, including those around Saffloz. Specific regulations and permits may apply, so it's advisable to check local guidelines before you go.
The Saffloz lakes are beautiful year-round, but the best time depends on your preferred activities. Summer is ideal for swimming and water sports, while spring and autumn offer pleasant temperatures for hiking and cycling, with stunning seasonal foliage. The region's scenery changes beautifully with the seasons, making it a rewarding visit at any time.
While the guide data doesn't specify individual cafes, the region around the lakes, particularly near popular spots like Lac de Chalain, offers amenities for visitors. You can expect to find options for refreshments and dining in nearby towns and villages.
The lakes around Saffloz are unique for several reasons. They are part of the 'land of lakes' in the Jura Mountains, featuring a diverse range from the large, turquoise Lac de Chalain to the protected, biodiverse Four Lakes area. Some lakes, like those visible from the Three Lakes Viewpoint, exhibit a distinctive whitish rim due to a chemical phenomenon involving chalk, depth, and heat. The region also boasts a rich biodiversity and offers a blend of recreational opportunities and serene natural beauty.
While popular lakes like Lac de Chalain can attract crowds, the broader 'Land of Lakes' region offers many options. Exploring the trails around the Petit Maclu Lake or Grand Maclu Lake, which are part of a Natura 2000 area, can provide a more tranquil experience, especially during off-peak hours or seasons. These areas are appreciated for their natural habitats and peaceful paths.
Visitors particularly enjoy the stunning natural beauty, the variety of outdoor activities, and the peaceful atmosphere. The unique turquoise waters of Lac de Chalain, the panoramic views from spots like the Three Lakes Viewpoint, and the charming paths around lakes like Lake Narlay are frequently praised. The region's appeal is also reflected in the komoot community, with over 400 upvotes and 90 photos shared by visitors.


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