Best lakes around Ottignies-Louvain-La-Neuve offers a mix of urban and natural water features. The region is home to the artificial Lac de Louvain-la-Neuve, designed for recreation and flood prevention. Nearby, Lake Genval provides a picturesque setting with historical villas. The area combines natural landscapes with cultural infrastructure, making it suitable for various outdoor activities.
Last updated: July 9, 2026
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Excellent quality hotel and restaurant
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To see and don't hesitate to get lost there
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Beautiful but very busy. Good to know!
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Early in the morning to avoid the crowds
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Le Château du Lac is best known today as a 5-star hotel. Events are also often organised there and that is why I know it from a professional long-gone past. But the building, whether you call it a castle or rather a glorified villa, it does have a fairly intense past. In the past, the mineral water of Genval was collected and bottled here. Together with the source of Bonne Fontaine, the Château du Lac was the true symbol of Genval-les-Eaux. The Etablissement des Eaux, as it was originally called, was built between 1905 and 1907 by the architect Julien Wendrickx, the future production director of the Compagnie Internationale des Eaux Minérales, to house the collection of sources and the bottling of the mineral water of Genval. After the First World War and the receivership of the companies that managed the Genval site, the castle became the property of an English company before being taken over by the Princes of Merode, who leased the facilities to Schweppes Belgium. The Belgian branch was then managed by John Martin, an English brewer based in Antwerp, who had been importing beers from Great Britain and Ireland to the continent since 1909, including the famous Guinness. He obtained the exclusive production rights for the Schweppes range, which he transferred to Genval in 1952 following the deterioration in the quality of Antwerp's drinking water, which was now pumped into the Albert Canal. Since the divestment of Schweppes in 1988, the John Martin group has further diversified its range, with speciality beers (Timmermans, Gordon, etc.), soft drinks (Orangina) and fruit juices (Looza). After the Schweppes factory moved to Rue du Cerf, the château, now owned by the Martin family, was converted into the five-star Château du Lac Source: https://www.parismatch.be/lifestyle/voyages/2020/08/23/le-lac-de-genval-et-ses-villas-2D3Q25DBTVANBFBV5WXJG3R2NI/
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The Genval lake is located in the Zilverbeek valley. The artificial lake is located for the most part on the territory of Overijse and was constructed by order of lawyer and businessman Gustave Smets - Mondez. The 18 ha lake was constructed in 1904 in an area with a series of spring-rich ponds and marshes through which the Zilverbeek or the Argentine flowed. The Zilverbeek still flows along the lake on the Overijse side. The area attracted many tourists from the very beginning. Around 1900, the urban development plans were also drawn up for the construction of the park on the Walloon side. Several impressive villas were built here that were reminiscent of copies of buildings from Versailles and monuments on the Swiss Lake Lucerne. On the Overijse side, there was less interest in the construction, which is why the slopes are less developed than on the Walloon side, where it was promoted as a spa. After the First World War, the lake was sold to John Martin (1886-1966), an English brewer from Antwerp. He would establish the Schweppes factory here (Belgian license) in the "Château du Lac" (until 1981). The lake is still in the hands of his heirs. On the Meerlaan there are still a few cottage-style villas overlooking the lake. These villas are depicted on various old postcards and are still recognizable today but have been heavily modified. Inventory of Immovable Heritage: Maleizen, https://id.erfgoed.net/themas/14294
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"La sirène du lac", as sculptor Michal named his statue, stands in the lake at the height of - of course - "Le Château du Lac", today a hotel. This siren apparently preferred an artificial lake to a river or sea, but people are said to sometimes think of eroticism when they are near water, and ultimately erotic song is the seductive weapon of sirens. We should not spoil the legacy of Hans Christian Andersen's "Lille Havfrue" by making comparisons, because that little mermaid grew up in the sea and has a statue in a harbour instead of a large lake that was created on behalf of a lawyer and businessman. The statue was commissioned by Jean Vanderbecken (RIP), former mayor of Rixensart for the MR, and fits in perfectly with the atmosphere of the "Château" and the "lake" as it has been developed on the French-speaking side.
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The region offers a diverse mix, from the urban and artificial Lac de Louvain-la-Neuve, designed for recreation and flood prevention, to picturesque natural settings like Lake Genval with its historical villas, and lakes nestled within forest estates such as the Bois des Rêves.
Yes, the Lac de Louvain-la-Neuve is specifically noted for its accessibility to people with reduced mobility, offering a 1.57 km pedestrian path around its perimeter.
Many lakes offer pleasant walking paths. The Lac de Louvain-la-Neuve features the 'Rêverie du Promeneur Solitaire' path, ideal for strolls or jogging. Lake Genval also has a picturesque path along its banks. For more extensive options, you can explore various hiking routes in the area, such as the 'Pond and Wetland Area' loop from Ottignies-Louvain-la-Neuve, which you can find in the Hiking around Ottignies-Louvain-La-Neuve guide.
The lake within the Bois des Rêves estate is part of a leisure park offering a natural setting for various family activities. The Lac de Louvain-la-Neuve is also family-friendly, with space for picnics and disc golf. Additionally, Lake Genval and the park surrounding Château de La Hulpe are popular choices for families.
Yes, animals are allowed at the Lac de Louvain-la-Neuve. It's always a good idea to keep them on a leash and clean up after them to ensure a pleasant experience for all visitors.
The Lac de Louvain-la-Neuve is popular for fishing, relaxation, and pleasant strolls along its 1.57 km pedestrian path. You can also enjoy picnics, disc golf, and reading by its banks. The area is also a cultural hub, bordered by the Aula Magna complex.
Lake Genval is known for its clear waters, stately old Belle Epoque villas, and shady trees. It has been a popular tourist spot for locals and visitors alike, offering picturesque walks, angling, sailing, and canoeing. The prestigious Château du Lac, a five-star hotel, is also located here.
Yes, the region offers various cycling opportunities. For example, you can find routes like the 'Entrance to the Bois des Rêves – Arenbergpark Lake loop from Louvain-la-Neuve' which is an easy cycling route. More options are available in the Cycling around Ottignies-Louvain-La-Neuve guide and the Gravel biking around Ottignies-Louvain-La-Neuve guide.
The Lac de Louvain-la-Neuve attracts numerous migratory and fixed bird populations, as well as various amphibian species, thanks to its varied depths and flora. The Long Tail Pond within Domaine Solvay is noted for its important aquatic vegetation and is part of a 227-hectare park with over 450 species of wild plants and many remarkable trees.
Yes, Lake Genval is surrounded by opulent Belle Epoque villas, including the prestigious Château du Lac. The Château de La Hulpe, a castle built in 1842, is set within a large park featuring a lake, offering historical charm and beautiful gardens.
The lakes are enjoyable year-round. Spring and summer offer lush greenery and opportunities for water activities, while autumn brings beautiful foliage. The Lac de Louvain-la-Neuve is open to the public daily, making it accessible whenever you wish to visit.
Near Lake Genval, there are several restaurants located directly on the water's edge, allowing you to enjoy dining with scenic views. The urban setting of Lac de Louvain-la-Neuve also means there are cafes and amenities within easy reach in Louvain-la-Neuve.


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