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Belgium

Wallonia

Top 20 Lakes in Wallonia

Best lakes in Wallonia are found in the southern region of Belgium, offering diverse natural landscapes and recreational opportunities. The area features a collection of artificial lakes, often nestled within nature parks or surrounded by forests. These lakes serve various purposes, including drinking water supply and hydroelectric power, while also providing extensive facilities for outdoor activities.

Best lakes in Wallonia

  • The most popular lakes include Robertville Dam, a man-made monument that serves as a starting point for walks and offers views of the surrounding area. This dam lake is situated within the High Fens-Eifel Nature Park.
  • Another must-see spot is Bütgenbach Reservoir, a lake known for its recreational offerings. It is an artificial lake created by the Warche dam, spanning approximately 120 hectares.
  • Visitors also love Brackvenn Moor Lakes, a lake area characterized by unique peat formations. These lakes are often referred to as palsas or pingos, formed at the end of the last ice age.
  • Wallonia is known for its dam lakes and moor lakes, providing varied natural environments. These include large reservoir complexes and smaller, serene ponds.
  • The lakes in Wallonia are appreciated by the komoot community, with over 2000 upvotes and more than 800 photos shared across various highlights.

Last updated: April 23, 2026

Robertville Dam

Highlight • Monument

The dam itself is not crazy but it is a good starting point for walks in the surroundings, and in particular the one that leads to the very close Reinhardstein castle.

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Brackvenn Moor Lakes

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What is often called a lake in the Fens is often e.g. Palsas.
The palsen or pingos in the High Fens were formed around 10,000 to 11,000 years ago at the end of the last ice age. When the ground froze deep down during the cold winters of the Ice Age, the wet ground expanded and frost mounds developed. Over the years these mounds grew and the soil material that was on top slid down the sides of the mounds and over time formed a ring-shaped wall around the mound of frost. With the end of the ice age, the ice melted, the frost mound sagged and the wall was preserved. The water in the middle is called bog scour or bog eye.
Source: euregio-im-bild.de/fotos/palsen-im-brackvenn-bei-m-tzenich.html

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Weser Reservoir (Eupen Dam)

Highlight • Monument

Beautifully situated lake with a navigable dam. The circumnavigation of the dam is worthwhile.

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Eupen Reservoir (Wesertalsperre)

Highlight • Monument

Great to achieve, great trails for hiking or mountain biking. There is good gastronomy where you can comfortably enjoy the view with a cup of coffee.

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Gileppe Dam Lion

Highlight • Monument

An extraordinarily beautiful dam wall, which is also the oldest in Europe. The dam wall is crowned by a sandstone lion, which is the emblem of the Gileppe dam. A pedestrian street leads over the dam wall, on the sides of which there are several very interesting information boards. The dam is the starting point for many family-friendly hiking trails. The entire infrastructure at the dam is designed for tourists - trips with the family are fun here.

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Two glass-enclosed elevators take you up to the 77m high lookout tower and that too without a fee. Up here, where there is also a restaurant, you have a dream view over the Gileppe dam. Location information for orientation is attached to the outer pane in a panoramic view. Well done! An absolute highlight!

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Château de La Hulpe

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Castle in a beautiful large park... Beautiful hedges and ivy give it a green tint...

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Bütgenbach Reservoir

Highlight • Lake

Beautiful swimming lake in great nature. From here you can make beautiful bike tours. We recommend e.g. the approximately 10km long circular route around the lake.

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Lake Bütgenbach

Highlight • Lake

The Bütgenbach Dam with Lake Bütgenbach is a great destination for active people. There is a bathing beach, a campsite and a beautiful circular path for cyclists and hikers.

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Casino Pond

Highlight • Lake

Good starting point for tours through the state forest, to the climbing wall, Emmaburg and so on. Beautiful to look at in the sunshine.

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Tips from the Community

Mike80
May 7, 2026, Bütgenbach Reservoir

An overall beautiful lake with a great path to go around. Although in the summer with warm weather it can also be very busy. Via the adjacent Vennradweg it is also top to reach by bike.

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The Bütgenbach dam was built between 1929 and 1932. The main function of the dam is to regulate the course of the Warche river. This created the lake of Bütgenbach. It is a starting point for beautiful, popular hiking routes: for example, a 10-kilometer walk can be made around the lake.

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Didada
June 13, 2025, Casinoweiher

Nice pond and nice for a break.

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Nadia
February 24, 2025, Château de La Hulpe

Beautiful but very busy. Good to know!

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Early in the morning to avoid the crowds

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Jeff S
October 29, 2024, Château de La Hulpe

The ivy-wrapped castle...

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The lake/dam is beautiful to look at from the Vennbahn. Access to the water is limited. I have to mention that I don't know my way around there.

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The Bütgenbach reservoir is always a great destination for a day trip. It is also easy to reach via the Vennbahn cycle path. There are great landscapes along the way.

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Frequently Asked Questions

What kind of natural features can I expect to see around Wallonia's lakes?

Wallonia's lakes are nestled within diverse natural landscapes. You'll find lush forests, such as those surrounding Lac de Robertville and Lac de Nisramont, and extensive meadows. The region also features unique geological formations like the peat formations at Brackvenn Moor Lakes, which are ancient palsas or pingos formed at the end of the last ice age. Many lakes are artificial, created by impressive dams like the Robertville Dam and the Barrage de Plate Taille at the Lakes of Eau d'Heure, offering scenic viewpoints.

Which lakes in Wallonia are suitable for water sports?

The Lakes of Eau d'Heure are a prime destination for water sports, offering swimming, diving, windsurfing, paddleboarding, kayaking, fishing, sailing, jet skiing, and water skiing at the Spin Cable Park. Lac de Bütgenbach is excellent for sailing, windsurfing, kayaking, canoeing, stand-up paddleboarding, and pedal boating. At Lac de Robertville, you can rent electric boats, pedal boats, rowboats, or kayaks, and there are designated swimming areas. Lac de Nisramont allows non-motorized water sports like stand-up paddleboarding, kayaking, canoeing, and packrafting, while Lac de Warfaaz offers pedal boat rentals.

Are there family-friendly activities at Wallonia's lakes?

Yes, many lakes in Wallonia offer family-friendly activities. The Lakes of Eau d'Heure provide a wide array of options, including swimming, an adventure park with ziplining, and the Aquascope nature center. Lac de Bütgenbach features the 'VENNtastic Beach' with monitored swimming zones, trampolines, pedal boats, and play areas. Lac de Robertville has designated swimming areas with a water trampoline and diving board, plus mini-golf. Lac de Warfaaz includes picnic tables and a children's playground, and the Château de La Hulpe also offers a family-friendly park environment.

What are the best times of year to visit Wallonia's lakes?

The best time to visit Wallonia's lakes largely depends on your preferred activities. For swimming and water sports, the summer months (May to September) are ideal, with designated swimming areas often open and lifeguards on duty. Spring and autumn offer pleasant temperatures for hiking and cycling, with beautiful foliage changes. Even in winter, the High Fens region, near lakes like Robertville and Bütgenbach, can be breathtakingly beautiful, though specific lake activities might be limited.

Are there hiking trails around Wallonia's lakes?

Absolutely. The Lakes of Eau d'Heure boast extensive hiking and biking trails ranging from 2.2 km to 24 km. Lac de Robertville is surrounded by marked trails, including routes to nearby attractions like Castle Reinhardstein. Lac de Bütgenbach has a popular 10.5 km route circling the lake. Lac de Nisramont offers a challenging 14 km trail with significant elevation changes and magnificent viewpoints. You can find many more options for mountain hikes in Wallonia by exploring Mountain Hikes in Wallonia.

Can I go cycling near Wallonia's lakes?

Yes, cycling is a popular activity around Wallonia's lakes. The Lakes of Eau d'Heure offer numerous biking trails, including the RAVeL Eau d'Heure Lakes Tour. Lac de Bütgenbach has a popular 10.5 km route that circles the lake, suitable for cycling. The area around the Weser Reservoir (Eupen Dam) also provides great trails for mountain biking. For more cycling routes, check out the Cycling in Wallonia guide.

Are there accessible paths for people with reduced mobility around the lakes?

Yes, some lakes offer accessible paths. Lac de Warfaaz, near Spa, features a gentle 1 km paved stroll around the lake that is accessible to people with reduced mobility. Additionally, the park surrounding Château de La Hulpe, which includes a lake, is also noted as wheelchair accessible.

Where can I find cultural or historical sites near Wallonia's lakes?

Near Lac de Robertville, you can explore the historic Castle Reinhardstein. The Lakes of Eau d'Heure feature the Barrage de Plate Taille, the largest dam in Belgium, which offers tours and a skywalk. The Château de La Hulpe, a castle built in 1842, is surrounded by beautiful gardens and is freely accessible, though the castle itself is not. The Gileppe Dam Lion is another notable man-made monument with historical significance.

Can I go running on trails near Wallonia's lakes?

Yes, the diverse terrain around Wallonia's lakes provides excellent opportunities for running. Many of the hiking trails are also suitable for running, offering varied distances and difficulty levels. For dedicated running routes, you can explore guides like Running Trails in Wallonia, which includes routes like the 'Great Trail of Lakes & Castles' and the 'Tour of Lake Gileppe'.

Are there places to eat or stay near Wallonia's lakes?

Yes, many lake areas in Wallonia offer amenities for visitors. The Eupen Reservoir (Wesertalsperre) has an excursion restaurant with delicious food and views. Lac de Nisramont features a tavern near the dam. The Lakes of Eau d'Heure region is well-developed with various facilities, including wellness options. You'll often find cafes, pubs, and accommodation options in the towns and villages surrounding the more popular lakes like Robertville and Bütgenbach.

What makes the Lakes of Eau d'Heure a popular destination?

The Lakes of Eau d'Heure form the largest lake complex in Belgium, offering an unparalleled variety of activities. With 600 hectares of water and extensive surrounding forests, it's a hub for water sports like swimming, diving, windsurfing, and jet skiing. Beyond the water, visitors can enjoy mountain biking, an adventure park, and extensive hiking trails. The area also features cultural attractions like the Aquascope nature center and the impressive Barrage de Plate Taille with its skywalk, making it a comprehensive destination for adventure and relaxation.

Can I fish in Wallonia's lakes?

Yes, fishing is generally permitted in many of Wallonia's lakes, often with a regional Walloon license. Lac de Nisramont allows fishing, and Lac de Warfaaz is a popular spot for catching species like roaches, tenches, and carps. Always check local regulations and licensing requirements before you go.

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