Top 10 Lakes around Fort-Du-Plasne
Best lakes around Fort-Du-Plasne are characterized by their natural beauty and ecological significance. The region features Lac de Fort-du-Plasne, a private natural lake situated at an altitude of 885 meters, known for its glacial origin and surrounding peat bogs. This area is recognized for its biodiversity, serving as a refuge for rare species and playing a role in water resource preservation. Visitors can explore a 6-kilometer hiking trail around the lake, offering views of the natural landscape.
Best lakes around…
Last updated: July 7, 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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Church of Our Lady of the Nativity of the Abbey and Abbey Site of Grandvaux
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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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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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Frequently Asked Questions
What unique natural features can I expect to see at the lakes around Fort-Du-Plasne?
The lakes in the Fort-Du-Plasne region are known for their diverse natural characteristics. You can find glacial lakes, peat bog lakes, and interconnected lake systems. For instance, the Three Lakes Viewpoint offers a panorama where you can observe the distinctive whitish rim of some lakes, a result of a chemical phenomenon involving chalk. Petit Maclu Lake, located in a Natura 2000 area, provides an exceptional habitat with rich wetlands featuring water lilies, reeds, and sedges. The private Lac de Fort-du-Plasne is surrounded by significant peat bogs, recognized for their rare biodiversity and role in water resource preservation.
Are there family-friendly lakes or activities suitable for children in the area?
Yes, several lakes offer family-friendly experiences. Petit Maclu Lake and Lake Ilay are both noted as family-friendly. The path around Petit Maclu Lake is easy and shaded, perfect for a comfortable stroll. While swimming is prohibited in Lac de Fort-du-Plasne, its 6-kilometer hiking trail is suitable for families looking to explore nature.
Can I swim in the lakes around Fort-Du-Plasne?
Swimming is permitted in some lakes, such as Lake Narlay. However, it is prohibited in others, including the Lac de Fort-du-Plasne, due to its ecological significance. Always check local signage before entering the water.
What kind of hiking opportunities are available near the lakes?
The region offers various hiking opportunities. A 6-kilometer trail circles the Lac de Fort-du-Plasne, providing a peaceful walk through meadows and past peat bogs. Ridge walks in the area also offer scenic views of the lakes and surrounding landscapes. For more extensive options, you can explore routes like the 'Shore of Lac de Narlay – Grand Maclu Lake loop' which is a moderate gravel biking route, or the 'Abbey Lake – Saut Girard Waterfall loop' for cycling. You can find more hiking routes in the Lakes around Fort-Du-Plasne guide.
Are there any historical or cultural sites near the lakes?
Yes, the area has historical significance. Near Lake Ilay, you can find the Church of Our Lady of the Nativity of the Abbey and Abbey Site of Grandvaux. This site has a rich history, with monastic establishments dating back to the 6th and 12th centuries. Today, you can see an old farm building, a presbytery, and the church, which is listed as a historical site.
What outdoor activities, besides hiking, can I do near these lakes?
Beyond hiking, the area around Fort-Du-Plasne is excellent for cycling and mountain biking. You can find various routes, such as the 'Shore of Lac de Narlay loop' for mountain biking or the 'Abbey Lake – Abbey Lake loop' for touring bicycles. For detailed routes and difficulty levels, check the MTB Trails around Fort-Du-Plasne, Cycling around Fort-Du-Plasne, and Gravel biking around Fort-Du-Plasne guides.
Is fishing allowed in the lakes?
Fishing is permitted in some lakes, but specific rules apply. For instance, the Lac de Fort-du-Plasne is a private lake belonging to the municipality. If you wish to fish there, you must request fishing rights from the owner, and a fishing license can be obtained from the town hall.
What is the best time to visit the lakes around Fort-Du-Plasne?
The region offers beauty throughout the year, but for hiking and outdoor activities, the warmer months from spring to autumn are generally ideal. This allows for comfortable exploration of the trails and enjoyment of the natural landscapes. The area's 'natural patchwork' of forests, pastures, peat bogs, and lakes is particularly vibrant during these seasons.
What do visitors enjoy most about the lakes around Fort-Du-Plasne?
Visitors frequently appreciate the breathtaking panoramas, especially from spots like the Three Lakes Viewpoint. The tranquil setting, wild yet welcoming landscapes, and the opportunity for peaceful walks through forests and meadows are also highly valued. The ecological significance and unique natural features, such as the peat bogs and the distinctive whitish lake rims, also draw considerable interest.
Is there parking available for visitors to the lakes?
Yes, parking is generally available. For example, convenient parking can be found in front of the Fort-du-Plasne church, providing access to the Lac de Fort-du-Plasne and its surrounding trails.
Are there any interconnected lake systems in the Fort-Du-Plasne area?
Yes, the region features interconnected lake systems. The Grand Maclu, Lac d'Ilay, and Petit Maclu Lake together form a string of lakes connected by a small stream, offering a unique landscape to explore.
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