Top 10 Lakes around Fontenu
Lakes around Fontenu, a commune in France's Jura department, are known for their natural beauty and recreational opportunities. This region, often referred to as the "Jura Lake Region," features several significant bodies of water. Lac de Chalain, a large glacial lake, is a prominent example within Fontenu itself, distinguished by its size and turquoise waters. The area offers a blend of natural splendor, historical intrigue, and diverse recreational pursuits.
Best lakes around Fontenu
- The most popular lakes is Three Lakes…
Last updated: July 6, 2026
Three Lakes Viewpoint
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Petit Maclu Lake
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Located in a Natura 2000 area, the lake offers …
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Lake Narlay
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A charming path goes around it, through the …
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Lake Ilay
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Grand Maclu Lake
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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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Frequently Asked Questions
What makes the lakes around Fontenu unique?
The lakes around Fontenu, particularly Lac de Chalain, are notable for their glacial origin, resulting in striking turquoise waters. They are often framed by impressive limestone cliffs and hold historical significance, with prehistoric pile-dwelling settlements recognized as UNESCO World Heritage sites.
Are there any notable viewpoints to see the lakes?
Yes, the Three Lakes Viewpoint offers a breathtaking panorama where you can observe the characteristic whitish rim of the lakes, a phenomenon caused by chalk, depth, and heat.
What are some of the most beautiful lakes in the Fontenu area?
Beyond Lac de Chalain, other beautiful lakes include Petit Maclu Lake, known for its rich wetlands and diverse animal species within a Natura 2000 area. Lake Narlay, located on the second plateau of the Jura massif, is also highly regarded for its scenic path through forests and meadows.
Can I swim in the lakes near Fontenu?
Yes, swimming is permitted in several lakes. Lac de Chalain offers three beaches for swimming, and Lake Narlay also allows swimming, making them popular spots for a refreshing dip.
What kind of outdoor activities can I do around the lakes?
The region offers a variety of outdoor activities. You can enjoy gravel biking with routes like 'View of Lac de Narlay – Shore of Lac de Narlay loop' (Gravel biking around Fontenu), or go cycling on routes such as 'Lac de Chalain – Chalain loop' (Cycling around Fontenu). Running trails are also popular, including the 'Lake Chalain loop from Fontenu' (Running Trails around Fontenu).
Are there hiking or walking trails around the lakes?
Yes, many lakes feature pleasant trails. For instance, Lake Narlay has a charming path that goes around it through forests and meadows. The area around Petit Maclu Lake also offers an easy, shaded path, perfect for walks.
Are there family-friendly lakes around Fontenu?
Yes, several lakes are considered family-friendly. Petit Maclu Lake and Lake Ilay are both categorized as family-friendly, offering accessible environments for visitors of all ages.
What historical sites are associated with the lakes?
Lac de Chalain is particularly rich in history, featuring prehistoric pile-dwelling settlements dating from 4000-750 BC. These settlements are recognized as French historical monuments and are part of the UNESCO World Heritage List, offering a glimpse into ancient human habitation.
What is the best time to visit the lakes around Fontenu?
The region is generally best visited when outdoor activities like swimming, hiking, and water sports are most enjoyable. This typically means late spring through early autumn, when the weather is warmer and the natural beauty is in full display.
What do visitors enjoy most about the lakes around Fontenu?
Visitors frequently praise the stunning views, especially from spots like the Three Lakes Viewpoint. The opportunity for easy, shaded walks around lakes like Petit Maclu Lake, and the overall natural beauty and tranquility of the area, are also highly appreciated.
Are there any lakes connected by streams in the area?
Yes, the Petit Maclu Lake, Grand Maclu Lake, and Lake Ilay form a string of lakes connected by a small stream, creating a unique and ecologically rich wetland habitat.
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