Best castles around Overijse are found in a region characterized by its natural landscapes and historical significance. While Overijse itself hosts some historical castle domains, many are not publicly accessible. The surrounding area, however, offers several notable castles worth exploring. This area provides a blend of historical sites and natural features, making it suitable for outdoor activities.
Last updated: May 9, 2026
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Two important lordships formed the basis of the current Hoeilaart: the lordship of Ter Heyde south of the IJse on the one hand, and the lordship of Holaer or Hoeilaart north of the IJse on the other. Here once stood the castle of the Ter Heyde lordship from the fifteenth century. That lordship ceased to exist after the abolition of the ancien régime. The current castle was built in 1858 on the orders of baron Jean de Man d’Attenrode (mayor of Hoeilaart from 1854-1878) and his wife Maria Carolina d’Ormesson. It is therefore not a remnant of the old lordship. BUT: the chapel and former closed farm next to it are. This building has now, as others have mentioned, been given a different function and dominates the view in the park. Inventory of Immovable Heritage: Kasteel van Hoeilaart, https://id.erfgoed.net/erfgoedobjecten/39785
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The veneration of Saint Hubert in Tervuren, the presumed place of death of the patron saint of hunters, dates back to at least the 16th century and is probably even older. Every year on the last Sunday in October, an open-air mass is celebrated there in honor of Saint Hubert, and horses and dogs are blessed to protect them from running amok.
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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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While many historical castle domains in Overijse are private or serve other functions, Beersel Castle is a well-preserved medieval water castle that is publicly accessible. Additionally, the expansive parks of Château de La Hulpe and Domaine Solvay are freely accessible, though the castles themselves are generally not open to the public. The historical site of Castle Pond, Tervuren Park, also offers a glimpse into medieval history.
Yes, several locations offer family-friendly experiences. The parks surrounding Château de La Hulpe and Domaine Solvay are ideal for families, with lush gardens and open spaces. Castle Pond, Tervuren Park, is also family-friendly, offering historical exploration and natural beauty. Beersel Castle, with its medieval architecture, can be an engaging visit for older children interested in history.
Visiting Beersel Castle offers a deep dive into medieval Flemish architecture and military defense, showcasing its 14th-century origins, red brick construction, and role in historical conflicts. At Castle Pond, Tervuren Park, you can explore the site of a former ducal castle and the nearby Sint-Hubertus Chapel, providing insights into medieval history and architecture, including its embellishment by Archdukes Albert and Isabella.
The castles are often set within beautiful natural landscapes. Château de La Hulpe and Domaine Solvay are surrounded by extensive parks with lush gardens, woods, and water features. Beersel Castle is encircled by a scenic moat, and its surroundings offer lovely views and opportunities for walks. Castle Pond, Tervuren Park, features a large lake and is part of a vast parkland with diverse flora.
Yes, the region around Overijse is excellent for outdoor activities. You can find numerous routes for walking, cycling, and running. For instance, the area around Tervuren Park offers cycling routes like 'Tervuren Park Ponds – Ponds in Tervuren Park loop' and running routes like 'Castle Pond, Tervuren Park – Tervuren Park Ponds loop'. You can explore more options on the Cycling around Overijse or Running Trails around Overijse guide pages.
The best time to visit is generally during spring, summer, and early autumn (April to October) when the weather is pleasant for exploring the outdoor parks and castle grounds. Spring brings blooming gardens, while autumn offers beautiful foliage. Beersel Castle is open year-round, but checking specific opening hours for all sites is recommended.
Yes, parking is generally available. Beersel Castle offers free parking nearby. Château de La Hulpe and Castle Pond, Tervuren Park also have parking facilities for visitors to their extensive domains.
Many of the outdoor park areas, such as those around Château de La Hulpe and Domaine Solvay, are typically dog-friendly, often requiring dogs to be on a leash. For specific castle interiors or protected areas, it's always best to check the individual site's regulations beforehand.
While the castles themselves might have limited accessibility due to their historical nature, the surrounding parks and domains often offer more accessible options. The domain of Château de La Hulpe is noted as being wheelchair accessible, allowing visitors to enjoy the gardens and exterior views.
The duration of a visit can vary. Exploring Beersel Castle, including its towers and walls, might take 1-2 hours. For the larger domains like Château de La Hulpe or Domaine Solvay, you could easily spend half a day or more enjoying the extensive parks, gardens, and walking trails.
Visitors frequently appreciate the blend of historical significance and natural beauty. The well-preserved medieval architecture of Beersel Castle, the serene lakes and historical remnants at Castle Pond, Tervuren Park, and the expansive, beautifully landscaped gardens of Château de La Hulpe and Domaine Solvay are often highlighted as favorite aspects.
Yes, the areas around these popular sites often have dining options. For instance, the vicinity of Château de La Hulpe and Domaine Solvay, being close to towns, offers cafes and restaurants. Beersel Castle also has picnic areas nearby, and local eateries can be found in the village of Beersel.


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