Best lakes around Foncine-Le-Bas, located in the Jura Mountains, offers access to a region rich in diverse bodies of water. The area, often referred to as the "Region of Lakes," features numerous natural lakes. These lakes provide varied landscapes and opportunities for outdoor activities. The surrounding natural environment includes forests, meadows, and unique wetlands.
Last updated: July 7, 2026
Highlight • Lake
Tip by
Highlight • Lake
Translated by Google •
Tip by
Sign up now to discover places like this
Get recommendations on the best single tracks, peaks, & plenty of other exciting outdoor places.
Sign up for free
Highlight • Lake
Translated by Google •
Tip by
Highlight • Lake
Translated by Google •
Tip by
Highlight • Lake
Translated by Google •
Tip by
Sign up for free to discover even more lakes around Foncine-Le-Bas.
Sign up for free
Already have an account?
Start today with a free account
Your next adventure awaits.
Login or Signup
🌿 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)
0
0
Small, rocky stretch of beach that you can climb down to, as well as good views of Lac Le Grand Maclu.
5
0
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.
5
0
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.
6
0
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.
6
0
Easy, shaded path, perfect for cooling off in hot weather.
0
0
Easy path to walk in the shade, very welcome in case of strong heat.
0
0
Visitors frequently enjoy Lake Narlay, known for its scenic path and permitted swimming. The Three Lakes Viewpoint offers a unique panorama of three lakes with distinctive whitish rims. Petit Maclu Lake is also popular, especially for its rich biodiversity within a Natura 2000 area.
Yes, several lakes are suitable for families. Petit Maclu Lake is noted as family-friendly, offering an easy, shaded path perfect for walks. Lake Ilay is also considered family-friendly and offers a pleasant, easy walk around its shores.
The region boasts diverse natural features. You'll find glacial lakes, deep lakes like Lake Narlay (up to 40m deep), and lakes surrounded by peat bogs and high-altitude wetlands, such as Lac des Mortes and Lac de Bellefontaine. These wetlands are rich in unique flora and provide habitats for various animal species. The Three Lakes Viewpoint showcases a geological phenomenon with lakes featuring whitish chalk mud rims.
The area around Foncine-Le-Bas offers a variety of outdoor activities. You can enjoy road cycling on routes like the 'Lac des Rousses loop' or 'La Saine Gorges – Lac de Narlay loop'. Mountain biking is also popular, with trails such as 'The ghost tunnel!' loop. For gravel biking, consider routes like 'Shore of Lac de Narlay – Grand Maclu Lake loop'. You can find more details on these activities in the dedicated guides for Road Cycling, MTB Trails, and Gravel Biking around Foncine-Le-Bas.
Yes, many lakes offer pleasant hiking opportunities. Lake Narlay has a charming path that encircles it through forests and meadows. Petit Maclu Lake also features an easy, shaded path. The area around Lac des Mortes and Lac de Bellefontaine provides trails through peat bogs and high-altitude wetlands, with viewpoints like Roche Champion and Roche Bernard.
Swimming is generally permitted in some lakes, such as Lake Narlay. However, it's always advisable to check local regulations upon arrival, as conditions can change (e.g., temporary restrictions in the 'Quatre Lacs' area in 2023).
The lakes are beautiful year-round. In summer, they are ideal for swimming and hiking. In winter, the frozen lakes and snowy landscapes, particularly around Lac des Mortes and Lac de Bellefontaine, create a 'Scandinavian' atmosphere, popular for cross-country skiing and snowshoeing on marked trails.
The Maclu Lakes, including Petit Maclu Lake and Grand Maclu Lake, are part of a string of lakes connected by a small stream. They are located within a Natura 2000 area, providing an exceptional habitat for diverse animal species. Their wetlands are particularly rich in flora like water lilies, reeds, and sedges, making them significant natural monuments.
Yes, Lac du Fioget is a small, crescent-shaped glacial lake that is more secluded. It offers a tranquil setting for hikers and nature enthusiasts, providing a sense of wilderness due to its private and less-frequented nature. Its unique shape and diverse flora add to its charm.
Lac des Mortes, often mentioned with Lac de Bellefontaine, is characterized by its surrounding peat bogs and high-altitude wetlands. This area harbors remarkable biodiversity, including rare boreo-arctic vegetation. The waters of Lac des Mortes disappear underground, eventually feeding the source of the Arce river. In winter, these lakes are popular for cross-country skiing and snowshoeing.
Absolutely. The Three Lakes Viewpoint offers a breathtaking panorama of three lakes. Additionally, around Lac des Mortes and Lac de Bellefontaine, belvederes like Roche Champion and Roche Bernard provide stunning views of the preserved natural landscape.
Visitors highly appreciate the scenic beauty and tranquility of the lakes. Many highlight the 'nice views' from spots like the Three Lakes Viewpoint. The easy, shaded paths around lakes like Petit Maclu Lake are often praised for being perfect for cooling off. The overall natural environment, with its forests and meadows, is a significant draw for the komoot community.


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