Best lakes around La Chaux-Du-Dombief are found in the heart of the Jura Mountains, a region characterized by its beautiful glacial lakes. The area is notable for its "four lakes" complex, which includes Lac de Narlay, Lac d'Ilay, Lac du Petit Maclu, and Lac du Grand Maclu. These lakes are often surrounded by dense forests, meadows, and peat bogs, contributing to their ecological importance and scenic beauty. The region offers diverse natural landscapes for outdoor enthusiasts to explore.
Last updated: May 9, 2026
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Popular around La Chaux-Du-Dombief
🌿 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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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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The monks of Saint-Claude are credited with establishing a monastery in the 6th century to the southwest of the Abbey Lake on the island known as sur la Motte. Then, probably having fallen into disuse for several centuries, a second monastery succeeded it in the 12th century (1172) built to the northeast of the lake on the current site of the hamlet of l'Abbaye by the canons of the Abbey of Abondance (Augustinians of Haute-Savoie). The status of abbey, served by a particular abbot, remained for a century, until the monastery was the subject of an exchange of goods between the abbot of Abondance and that of Saint-Claude. Once again dependent on the Abbey of Saint-Claude, the Abbey of Grandvaux regained the status of priory. From the fortified buildings of the 12th century, which were accessed by a drawbridge, there remains today an old farm building (called La Joséphine after the former owner of the place), a presbytery and a church, dedicated to Notre-Dame de la Nativité, like that of Abondance. The site has been listed since September 15, 1966. A site to discover through a stroll in 4 scenes, evoking the history of the site.
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The tour of the lakes is not of much interest, mainly being wide paths, without much relief, and with no view worthy of the name, including on the lakes (which we see very little, except on the eastern part, which is a shame). The western part is even difficult (we follow the road for 2km...). In short, a walk to forget, except perhaps for a running outing, or a detour via the Eagle peak.
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A magnificent hike from the parking lot of the first lake via the Pic de l'Aigle and then the Belvederes overlooking the lakes, a magnificent site
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Among the most popular lakes in the area are Lake Narlay, known for its serene beauty and deep waters, and Petit Maclu Lake, part of the ecologically rich 'four lakes' complex. Lake Ilay, with its distinctive island and historical significance, is also a favorite.
The lakes around La Chaux-Du-Dombief are primarily glacial in origin, nestled amidst dense forests, alpine meadows, and peat bogs. You'll find diverse landscapes, from the dark, profound waters of Lac de Narlay to the turquoise hues of Lac d'Ilay on clear days. The area is also rich in wetlands, providing exceptional habitats for various animal species, particularly dragonflies.
Yes, the region offers several stunning viewpoints. The Three Lakes Viewpoint provides a breathtaking panorama of three lakes, showcasing their unique whitish rim. The Belvédère des Quatre Lacs offers magnificent panoramic views of Lac de Narlay, Lac d'Ilay, Lac du Petit Maclu, and Lac du Grand Maclu. For Lac de Bonlieu, the Belvédère de la Ronde is highly recommended for elevated views.
The lakes are ideal for various outdoor activities. Hiking and cycling are popular, with trails offering varied landscapes around lakes like Lac de Narlay, Lac d'Ilay, and the Maclu lakes. Fishing is also a favored activity, especially in Lac de Narlay and Lac d'Ilay. Swimming is permitted in Lac de Narlay, though the water is cold. For more structured routes, you can explore MTB trails, gravel biking routes, and road cycling routes in the area.
Many areas around the lakes are suitable for families. For instance, Petit Maclu Lake is categorized as family-friendly, offering an easy, shaded path perfect for cooling off. Lake Ilay also offers a nice, easy walk around its shores. When visiting, it's important to stay on marked paths and respect the natural environment.
Absolutely! Hiking is a primary activity around these lakes. A signposted path encircles Lake Narlay through forests and meadows. The area around Lac d'Ilay and the Maclu lakes also offers numerous trails, including parts of the popular 'Tour of the 4 Lakes' route. You can find various MTB trails and gravel biking routes that incorporate lake views.
The lakes are beautiful year-round, but the best time for outdoor activities like hiking and cycling is generally from spring to autumn when the weather is milder. Summer offers opportunities for swimming in permitted areas like Lac de Narlay. The vibrant flora and fauna are particularly active during warmer months, making it ideal for nature observation.
Yes, the region has historical significance. Lake Ilay, also known as Lac de la Motte, features an island where archaeological digs have revealed human occupation since the Neolithic period, and a priory was built around the year 1000. Additionally, the Church of Our Lady of the Nativity of the Abbey and Abbey Site of Grandvaux offers a glimpse into the region's monastic history.
While specific parking details vary by lake, generally, access to the lakes is well-managed. It's important to note that the Petit and Grand Maclu lakes are private. For popular spots like the viewpoints and main lake access points, designated parking areas are usually available. Always check local signage for specific regulations, especially regarding Natura 2000 sites where environmental protection is paramount.
Visitors frequently praise the serene natural beauty and tranquil atmosphere of the lakes. The stunning panoramic views from viewpoints like the Three Lakes Viewpoint are highly appreciated. Many enjoy the easy, shaded paths around lakes like Petit Maclu Lake, perfect for a refreshing walk, and the opportunity for swimming in Lake Narlay.
Swimming is permitted in Lake Narlay, though the water is known to be cold due to its depth. In Lac d'Ilay, swimming is tolerated but at one's own risk. It's crucial to always check local regulations and signage at each lake, as rules can vary, and environmental protection is a priority in these Natura 2000 sites.
While the region is great for outdoor activities, it's important to respect the environment, especially in Natura 2000 areas. When visiting the lakes, particularly those within protected sites, it is generally advised to keep dogs on leads to avoid disturbing wildlife and to stay on marked paths.
Lac de Bonlieu is considered one of the most picturesque lakes in the Jura, nestled in a forest and overlooked by a rocky ridge. Its waters can appear a dark blue due to the surrounding peat bogs, limestones, and marls. Notably, it is one of the sources of the Hérisson River, which feeds the famous Hérisson Waterfalls, adding to its unique natural significance.


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