Lakes around Saignelégier, located in the Jura & Three-Lakes region of Switzerland, offer diverse natural landscapes. The area is characterized by its unique moorland environments and tranquil waters. These lakes provide opportunities for nature observation and outdoor activities. The region's geography includes both natural and historically modified lake formations.
Last updated: May 19, 2026
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A beautiful natural gem and a magical place. Those who visit during off-peak times can avoid the crowds and enjoy the tranquility here.
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It is difficult to take your eyes off the lake, but it is worth it here, because the raised bog itself in which the lake lies is just as spectacularly beautiful.
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Bring time! The black water of the lake has a mystical effect.
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The Etang de la Gruère nature reserve is a paradise for nature lovers. Opt for a morning hike to enjoy the calm, and to observe the rising mists over the water.
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The Plain-de-Saigne pond is a small artificial lake located in Montfaucon. It's a great place to picnic and admire the reflections of the sky and trees on the water. You can also learn about the history of the lake, which was once home to a mill and peat extraction site.
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A lovely rest area by a pond (Etang). It's truly one of the highlights of the tour.
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Beautiful pond! Very nice for hiking!
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The Étang de Plain de Saigne is located in the municipality of Montfaucon in the canton of Jura. It lies embedded in lush alpine meadows in a high moor area at an altitude of 860 meters above sea level. The pond is under nature protection.
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The most popular lake is Étang de la Gruère, known as Switzerland's largest moor lake and a protected nature reserve. Another highly regarded spot is Étang Plain-de-Saigne, a raised bog of national importance offering a peaceful retreat. Visitors also appreciate Étang de Bollement, a beautiful natural oasis that was originally a hydroelectric reservoir.
Yes, several lakes are well-suited for families. Étang de la Gruère features an easy 2.7 km loop trail that is accessible for all-terrain strollers, and offers designated swimming and picnic areas in summer. Étang Plain-de-Saigne provides benches and tables for resting, making it a peaceful stop for families. Étang de Bollement also offers a family-friendly natural setting with facilities.
The region is renowned for its unique moorland environments. Étang de la Gruère is Switzerland's largest moor lake, featuring a peat bog accumulated over 12,000 years, supporting diverse and endangered flora and fauna. Étang Plain-de-Saigne is also a significant raised bog and peat bog of national importance, offering a unique ecosystem for birdwatching.
The lakes provide excellent opportunities for various outdoor activities. You can enjoy hiking around the lakes, with trails like the La Gruère Lake and High Moor Circular Trail. In summer, swimming and picnicking are popular at Étang de la Gruère. For more extensive adventures, you can explore numerous hiking routes such as the 'Etang de la Gruère' or 'La Randoline' found in the hiking guide for Saignelégier. Cycling and gravel biking routes are also available, including those that pass by Étang de la Gruère, as detailed in the cycling guide and gravel biking guide for Saignelégier.
The lakes offer different experiences throughout the year. Summer is ideal for swimming, picnicking, and hiking, with designated areas at Étang de la Gruère. For nature lovers, a morning hike at Étang de la Gruère allows you to enjoy the calm and observe rising mists. In winter, when temperatures drop sufficiently, both Étang de la Gruère and Lac des Brenets can transform into natural ice rinks, offering unique winter activities.
Yes, despite its natural appearance, Étang de la Gruère has historical significance. It was formed in the 17th century by an artificial dam built for a mill, showcasing a blend of natural evolution and human intervention. Étang de Bollement was also originally built for hydroelectric power before becoming a nature reserve.
Yes, swimming is possible in designated areas during summer. Étang de la Gruère is a popular spot for swimming. Lac des Brenets also features shaded beaches along its rocky and pebble shore, perfect for swimming. However, swimming is not permitted in the bog areas, such as at Étang Plain-de-Saigne, due to its nature reserve status.
Visitors frequently praise the tranquil atmosphere and unique natural beauty. Many highlight the peacefulness of places like Étang Plain-de-Saigne and the mystical effect of the black water at Étang de la Gruère. The well-maintained trails and opportunities for nature observation, especially the diverse flora and fauna of the moorlands, are also highly appreciated.
Yes, a notable circular trail is the La Gruère Lake and High Moor Circular Trail, which offers a chance to explore a wonderful nature reserve and high moor. This trail is recommended in every season for its magical and powerful atmosphere.
While specific direct public transport routes to every lake might vary, the region is generally accessible. For Étang de la Gruère, it is located approximately halfway between Saignelégier and Tramelan, suggesting bus connections might be available to nearby points. It's advisable to check local transport schedules for the most current information on reaching specific lake access points.
Yes, picnic areas are available. At Étang de la Gruère, there are designated picnic areas with fire pits near the start of the trail, though fires are not permitted on the lakeshore itself due to its nature reserve status. Étang Plain-de-Saigne also has benches and tables, and a fireplace at the exit of the lake on the right side. Étang de Bollement also features a simple fireplace right on the lake.
Lac des Brenets is a picturesque lake formed by the River Doubs, which marks the natural border between Switzerland and France. It offers boat tours from April to autumn, providing panoramic views and leading to the impressive Saut du Doubs waterfall. Canoeing, fishing, and strolling are popular activities. In winter, it can become one of Europe's largest natural ice rinks. The lake is known for its unspoilt nature and tranquil, fjord-like environment.
While specific rules for every lake vary, many natural areas in Switzerland are dog-friendly, often requiring dogs to be on a leash, especially in protected nature reserves like Étang de la Gruère. It's always best to observe local signage and respect wildlife, particularly in moorland environments and birdwatching spots like Étang Plain-de-Saigne.


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