Castles around Huldenberg offer a glimpse into the region's rich history and diverse architectural styles. This Belgian municipality in Flemish Brabant features several historic estates, many of which are privately owned but notable for their external grandeur and historical significance. The area provides picturesque rural settings, often with surrounding parks and walking routes, allowing visitors to appreciate these landmarks from afar. Huldenberg's landscape combines historical sites with natural beauty, making it a compelling destination for those interested in heritage and…
Last updated: July 6, 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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Many beautiful walks start from here.
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Excellent quality hotel and restaurant
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very nicely maintained castle and park surrounding it.
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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 castles around Huldenberg showcase a variety of architectural styles, reflecting their long histories. You'll find structures with medieval origins, Neoclassical reconstructions, Flemish Neo-Renaissance designs, and even early 20th-century eclectic styles, often built with traditional brick and sandstone.
While many castles in Huldenberg, such as Huldenberg Castle and Loonbeek Castle, are privately owned and not open for internal visits, their exteriors and surrounding parks can often be appreciated. For example, the park around Huldenberg Castle offers walking and cycling routes. The Château de La Hulpe and Domaine Solvay (housing Château de Béthune) are notable exceptions, with their extensive parks and domains freely accessible to the public, though the castles themselves are generally not open for tours.
Huldenberg Castle boasts a complex history dating back to the Middle Ages as a moated fortress. It underwent significant transformations, including a Neoclassical reconstruction and a Flemish Neo-Renaissance renovation. A unique aspect of its history is its role in the development of Belgian grape-growing techniques in the 19th century, pioneered by gardener Felix Sohie, which is commemorated by a bronze plaque at its entrance.
Loonbeek Castle, also known as Kasteel Van der Vorst, is a distinctive 17th-century castle built in a U-shape using traditional brick and sandstone. It features a well-preserved section of its 17th-century castle wall, including a monumental gate adorned with a coat of arms, offering a glimpse into the region's aristocratic heritage.
Yes, several castle domains offer family-friendly experiences. The parks surrounding castles like Château de La Hulpe and Domaine Solvay are freely accessible and provide ample space for families to explore, enjoy nature, and discover sculptures or historical sites. These areas are often suitable for walks and picnics.
Many outdoor areas around the castles, especially public parks and walking routes, are generally dog-friendly. For instance, the extensive parks of Château de La Hulpe and Domaine Solvay are popular for walks with pets. It's always advisable to keep dogs on a leash and respect any local signage regarding pet access.
The castles around Huldenberg are often set amidst beautiful natural landscapes. For example, Château de La Hulpe is surrounded by lush gardens, woods, and water features. Domaine Solvay covers 227 hectares of forest, lawn, and ponds, home to over 450 species of wild plants. Loonbeek Castle is situated near the Yse River and the Margijsbos forest.
The region around Huldenberg's castles offers various outdoor activities. You can enjoy walking and cycling routes in the parks surrounding castles like Huldenberg Castle. For more structured activities, there are numerous MTB trails, mountain hikes, and running trails available, catering to different difficulty levels. For example, you can find easy to difficult MTB loops or moderate running trails like the 'Loop from Huldenberg'.
Yes, the areas around Huldenberg's castles are well-suited for hiking. The surrounding parks, such as those near Huldenberg Castle, offer scenic walking routes. Additionally, the broader region provides various hiking trails, including options like the 'Fourmilière loop' or 'Heverleebos loop', which allow you to explore the natural beauty and historical context of the area.
Visitors particularly appreciate the picturesque rural settings, the historical significance, and the architectural beauty of the castles, even when viewed from the outside. The extensive, freely accessible parks like those at Château de La Hulpe and Domaine Solvay are highly valued for their natural beauty, walking opportunities, and tranquil atmosphere.
For publicly accessible domains like Château de La Hulpe, parking facilities are typically available to accommodate visitors. For privately owned castles like Huldenberg Castle and Loonbeek Castle, while direct access to the castle grounds is restricted, you can often find public parking in nearby villages or designated areas that allow you to access the surrounding public walking routes and view the castles from a distance.
The best time to visit the castles and their surroundings in Huldenberg is generally during spring, summer, and early autumn. These seasons offer pleasant weather for exploring the parks and walking routes, with lush greenery in spring and summer, and beautiful foliage in autumn. While winter walks can be charming, some facilities or paths might be less accessible depending on conditions.


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