Best lakes in Hainaut offer diverse natural landscapes and recreational opportunities within Wallonia, Belgium. This province features significant water bodies, including large artificial lake complexes and nature reserves. The region is characterized by its blend of forests, meadows, and waterways, providing varied environments for outdoor activities. These lakes contribute to Hainaut's ecological significance and serve as focal points for nature observation and recreation.
Last updated: May 3, 2026
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The Plate-Taille Dam is located in southern Belgium in Wallonia, on the border of the provinces of Namur and Hainaut. The dam is situated near the villages of Froidchapelle and Cerfontaine and forms the central element of the Lacs de l’Eau d’Heure lake district, the largest artificial lake complex in the country. This area covers approximately 1800 hectares and consists of several interconnected lakes that together form a unique landscape of open water, wooded hills, and extensive recreational zones. Due to its location between the Ardennes and the Fagne, the area has a varied and gently rolling terrain. The origin of the dam dates back to the 1970s when Belgium faced water management problems. The Sambre River, an important waterway for industry and shipping, experienced highly fluctuating water levels. During dry periods, the water level dropped too low, which had economic consequences. To solve this problem, an ambitious project was launched, including the construction of a series of dams on the Eau d’Heure River and its tributaries. The construction of the Plate-Taille dam began around 1974 and was completed in 1981. As a result of its construction, five lakes were created: * Plate Taille (the largest and deepest) * Eau d’Heure * Falemprise * Ry Jaune * Féronval The construction brought about a major change for the region. Certain areas were submerged, and residents had to relocate. At the same time, this project laid the foundation for a new economic model based on tourism and recreation. The Plate-Taille dam is the largest dam in Belgium and an impressive example of modern hydraulic engineering. The Plate Taille lake itself has a surface area of approximately 350 hectares and is the largest and deepest lake in Belgium. The dam holds back an enormous mass of water and literally forms the heart of the entire lake district. One of the dam's main functions is energy generation through a pumped-storage power plant. * Capacity: ± 140 megawatts * Number of turbines: 4 (reversible) * Type: pumped-storage power plant System Operation The system operates on a clever principle: * During low energy demand, water is pumped to a higher reservoir. * During high energy demand, the water flows back down through turbines, generating electricity. This makes the plant particularly valuable for stabilizing the electricity grid, especially in combination with renewable energy sources such as wind and solar power. Around the dam lies a surprisingly rich nature reserve. The combination of water, forests, and open plains ensures great biodiversity. The landscape is characterized by: * Dense deciduous and coniferous forests * Open grasslands * Reed beds along the banks * Quiet bays and small islands Animals found here include: * Roe deer * Foxes * Waterfowl such as grebes and cormorants * Birds of prey The creation of the lakes has led to new ecosystems where flora and fauna have adapted to the water-rich environment. For someone who enjoys long and challenging hikes, like myself, this area is ideal, and you can easily create routes of several hours here without much crowds. 🚴♂️ Cycling and Recreation Besides hiking, the area is also popular with: * Road cyclists (hilly terrain) * Mountain bikers * Families (flat cycling paths around the lakes) There are well-maintained cycling routes that connect the entire lake district. 🚤 Water Sports and Activities The Lacs de l’Eau d’Heure are the center for water sports in Belgium. Possibilities: * Sailing * Kayaking * Windsurfing * Diving (in certain zones) * Swimming Motorized water sports are permitted to a limited extent, which contributes to a relatively calm and natural atmosphere. 🧭 Tourist Facilities The area is highly developed for visitors without losing its natural charm. Key attractions: * Skywalk Plate-Taille – a panoramic tower with views over the entire area * Natura Parc L’Eau d’Heure – adventure park with climbing routes and zipline * Marinas and beach areas * Holiday parks and campsites This makes the area suitable for both day trips and longer stays.
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Beautiful hike, I was just expecting to see the lake but that is not the case, we go around it but not close!
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Chateau de Beloeil, otherwise known as the little Belgian Versailles.
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Beautiful little lake, the path leading to it is full of nettles, long trousers are useful
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Hello to all Komoot users, Le Grand Bois Commun (SC) is a cooperative in Braine-le-Comte. www.legrandboiscommun.be In 2019, just under 2,000 citizens purchased this 80 hectares of forest for protection. Recently, approximately 75% of its surface area was declared a Nature Reserve. Please be sure to stay on the paths and keep dogs on leashes. The cooperative remains open to new members. info@legrandboiscommun.be 🌳🌳Welcome🌳🌳
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quietness of the pond where we observe birds
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Hainaut's lakes offer a wide range of outdoor activities. At the Lacs de l'Eau d'Heure, you can enjoy watersports like kayaking, windsurfing, waterskiing, and swimming. On land, there are numerous marked trails for hiking and biking. The Grand Large de Péronnes is excellent for cycling along RAVeL routes and birdwatching. For hiking, you can explore various trails, including easy loops like the Grand Large Loop or more moderate routes such as the Ronde des Lacs.
Yes, several lakes in Hainaut are ideal for families. The Lacs de l'Eau d'Heure feature an Aquacentre with water games, an adventure park (Natura Parc), and the unique 'Red Crocodile' amphibious vehicle. The Plate-Taille Dam also offers tours. The Lac de Virelles is home to the Aquascope Virelles, a nature interpretation center with exhibitions, an educational trail, and a large playground. The Grand Large de Péronnes provides flat cycling circuits suitable for children.
For birdwatching and nature observation, the Lac de Virelles and the Grand Large de Péronnes are prime destinations. The Lac de Virelles is a significant nature reserve known for its rich biodiversity, including over 245 bird species. The Aquascope Virelles offers observation points and educational insights. The Grand Large de Péronnes is particularly renowned as a haven for birdwatching, especially during winter and spring, with various uncommon waterbirds and gulls.
Yes, you can visit the dams at the Lacs de l'Eau d'Heure. The Plate-Taille Dam, the largest in Belgium, can be visited from the inside. It offers breathtaking views from its 107-meter tower and allows you to walk through underground galleries. The Eau d'Heure Dam is also a notable man-made monument and viewpoint.
Yes, some areas around Hainaut's lakes offer wheelchair-accessible paths. For instance, the Marais d'Harchies-Hensies-Pommerœul Nature Reserve is noted for having wheelchair-accessible categories, providing opportunities to enjoy the wetlands. It's always recommended to check specific trail conditions for the most up-to-date accessibility information.
The best time to visit the lakes in Hainaut largely depends on your preferred activities. Summer is ideal for watersports and enjoying the recreational facilities at the Lacs de l'Eau d'Heure. Spring and autumn offer pleasant temperatures for hiking and cycling, with beautiful natural scenery. For birdwatching, winter and spring are particularly rewarding at locations like the Grand Large de Péronnes and Lac de Virelles due to the presence of migratory birds.
Absolutely. The Marais d'Harchies-Hensies-Pommerœul Nature Reserve is a significant wetland area, recognized as the largest reed-covered area in Wallonia. It's formed in subsidence caused by mining and is home to a diverse and rare flora and fauna. The Lac de Virelles is also a celebrated nature reserve, known for its rich biodiversity and the Aquascope Virelles interpretation center.
Yes, especially around the larger lake complexes. The Lacs de l'Eau d'Heure area offers various amenities, including restaurants and accommodation options, such as villas and hotel rooms. The holiday complex near the Plate-Taille Dam provides wonderful restaurants, a spa, and wellness areas. The Grand Large de Péronnes has picnic areas, and the Lac de Virelles offers unique overnight stays in bubbles or cabins.
While specific regulations can vary by location, dogs are generally welcome on many outdoor trails in Hainaut. For example, dogs are allowed in the park surrounding Beloeil Castle, which features a lake. However, it's always best to check local signage or specific park rules, especially concerning nature reserves like Lac de Virelles, to ensure compliance and protect wildlife.
Hainaut's lakes offer several scenic viewpoints. The Plate-Taille Dam provides breathtaking views from its 107-meter tower, including a thrilling Skywalk with a glass platform. You can also find beautiful perspectives like the View over the Étang de Virelles, offering serene natural vistas. The Hyon Waterfall and Ponds also present a picturesque spot for a break.
Many of Hainaut's lakes are artificial, created for various purposes. The Lacs de l'Eau d'Heure, for instance, were created in the 1970s primarily for hydroelectric power. The Lac de Virelles, near Chimay, was formed in the 16th century to serve the metallurgical industry. The Marais d'Harchies-Hensies-Pommerœul Nature Reserve's wetlands were formed in subsidence caused by mining in the mid-1920s.
Yes, cycling is a popular activity around Hainaut's lakes. The Lacs de l'Eau d'Heure offer numerous marked trails for biking. The Grand Large de Péronnes is particularly well-suited for cycling, with RAVeL routes running along its banks, including a 15 km loop around the lake and a 20 km route connecting to Tournai. These flat circuits are ideal for families.


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