Lakes around Thann, a town in the Haut-Rhin department of France, are primarily of glacial origin and are nestled within the Vosges Mountains. This region offers a picturesque landscape with opportunities for outdoor recreation. The area's geography features diverse natural settings, from peat bog lakes to dam lakes and high-altitude glacial cirques. Visitors can explore a variety of aquatic environments and their surrounding natural beauty.
Last updated: June 17, 2026
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Popular around Thann
I liked this pleasant lake, its welcoming terrace. We wanted to return, from the woods, but had to turn back (Spring 2026). Access is now blocked by palisades with warning signs and monitored by cameras. The marked trails of the Club Vosgien have been rerouted. As a result, the desire to go to the bar was forgotten!
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Beautiful view of the surrounding hills.
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If you are passing through the region I strongly recommend you go and see this lake!! Whatever the season it is magnificent!
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All audiences Along the water along the river. Very beautiful tarmac, wooded circuit in the Thur valley
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Attention: very steep descent and ascent on loose ground. Swimming prohibited
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An observation tower well worth taking a short break from your run to appreciate the view from the top.
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The lakes around Thann are primarily of glacial origin, nestled within the Vosges Mountains. You'll find a variety of aquatic environments, including unique peat bog lakes like Lac de Sewen, dam lakes such as Lac d'Alfeld and Michelbach Lake, and high-altitude glacial cirque lakes like Ballon Lake and Lac des Perches.
Yes, the region offers extensive hiking opportunities. Lac de Sewen has trails leading to the Ballon d'Alsace, and Lac d'Alfeld is a starting point for walks, including a 40-minute path to the Chalet and Wasserfall cascade. Lac des Perches and Lacs du Neuweiher are only accessible on foot, making them havens for hikers. You can find more detailed routes for various sports, including mountain hikes, by exploring the Mountain Hikes around Thann guide.
Several lakes are family-friendly. Michelbach Lake features a 4 km pedestrian circuit perfect for bird watching and easy walks. Lac de Kruth-Wildenstein offers sandy and grassy beaches and a 6 km path around the lake, ideal for family strolls. Ballon Lake and Lac du Ballon are also popular for their natural beauty and accessible surroundings.
Swimming is generally restricted in many lakes to protect their ecosystems or because they serve as water reservoirs. For example, swimming is prohibited in Lac de Sewen, Lac d'Alfeld, Lac des Perches, and the Neuweiher lakes. While swimming is technically forbidden in Lac du Ballon, some visitors find the water irresistible. Lac de Kruth-Wildenstein is an exception, offering swimming at the swimmer's own risk as it is unsupervised, along with other water activities.
Yes, fishing is a popular activity in several lakes. You can fish in Lac de Sewen, Lac d'Alfeld (known for trout, char, and salmon), Lac des Perches, and the Lacs du Neuweiher. Always check local regulations and permit requirements before fishing.
The lakes boast diverse natural features. Lac de Sewen is a unique peat bog lake with rich, protected fauna and flora, including European beavers and carnivorous plants like sundews. Lac d'Alfeld is notable for its impressive 30-meter high dam and surrounding rocks, waterfalls, and dark forests. Lac des Perches sits within an ancient glacial cirque, offering pristine nature and clear waters reflecting the bordering forest.
Beyond hiking, you can enjoy various outdoor activities. Lac de Kruth-Wildenstein is a hub for activities like canoeing, climbing, and even diving. The wider region around Thann offers extensive routes for mountain biking, gravel biking, and mountaineering. You can explore these options in guides such as MTB Trails around Thann and Gravel biking around Thann.
Lac d'Alfeld, a dam lake of glacial origin, was built between 1884 and 1887 and serves as a water reserve for the Doller valley. Similarly, the Lacs du Neuweiher were historically dammed to provide hydraulic energy for local industries. Ballon Lake also has historical significance, with its dam being built by Vauban in 1699 to supply water for the construction of the Neuf-Brisach Fortress.
Lac de Kruth-Wildenstein stands out for its wide range of activities. Besides swimming (unsupervised), you can enjoy canoeing, climbing, and diving. It also features sandy and grassy beaches and a 6 km path for walks, making it a versatile destination for various interests.
While specific cafes are not detailed for every lake, the Auberge du Neuweiher and Ferme-auberge du Gresson offer accommodation near the Lacs du Neuweiher. Lac de Kruth-Wildenstein also has a popular campsite, particularly favored by cyclists. For other lakes, it's advisable to check local listings in nearby villages.
The lakes are beautiful year-round, but the best time depends on your preferred activities. Spring and autumn offer pleasant temperatures for hiking and enjoying the changing foliage. Summer is ideal for water activities at Lac de Kruth-Wildenstein and general outdoor recreation. Some lakes, like Lac des Perches, are only accessible on foot, making them more challenging in winter but potentially offering unique snowy landscapes.
Lac de Sewen is easily accessible by car from Sewen, about 30 km from Thann. Lac d'Alfeld is also readily accessible. However, lakes like Lac des Perches and the Lacs du Neuweiher are only accessible on foot, preserving their pristine nature. Public transport options directly to all lakes may be limited, so checking local bus schedules or considering car access for some locations is recommended.


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