Best castles around Braine-L'Alleud offers a blend of historical sites and natural landscapes in Walloon Brabant. The region features significant historical locations, including the site of an ancient seigneurial castle, alongside preserved 19th-century estates. Visitors can explore extensive parks and gardens that complement these historical structures. The area provides opportunities for outdoor activities within these scenic domains.
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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Excellent quality hotel and restaurant
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To see and don't hesitate to get lost there
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This castle is worth a visit, there are regular cultural events
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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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Among the most popular are Château de La Hulpe, known for its 19th-century architecture and extensive, freely accessible park. Domaine Solvay, which houses the Château de Béthune within its vast public park, is also highly regarded. Additionally, Feluy Castle, a historical water castle dating from the 14th century, attracts many visitors.
Yes, several estates offer great experiences for families. The park surrounding Château de La Hulpe is freely accessible and features gardens and sculptures, perfect for a family outing. Domaine Solvay also offers a large public park with forests, lawns, and ponds, ideal for exploring with children. The Coloma Estate, with its 18th-century moated castle and Europe's largest rose garden, is another excellent family-friendly destination.
Château de La Hulpe is set within a beautiful large park featuring French gardens, remarkable trees, rhododendron and azalea beds, and water features. Domaine Solvay encompasses 227 hectares of forest, lawns, and ponds with diverse plant life. The Coloma Estate boasts winding paths and the largest rose garden in Europe, offering a fragrant and colorful experience.
Yes, the Château du Cheneau, a prestigious residence from the early 20th century, is set within a 5-hectare wooded park. While the château itself is often used for events, the surrounding park is communal and freely accessible every day. It features tennis courts, a tennis club, a playground, and the Jardin du Docteur Arouete.
While the original structure no longer stands, the site of the Ancien Château de Braine-l'Alleud holds significant historical value. Located at the bottom of Rue du Château, this former seigneurial castle was protected by a triple water barrier. Remnants of the old manor are incorporated into houses on Rue du Château, and a bas-relief provides a glimpse of its appearance in the late 17th century.
The region around Braine-L'Alleud offers various outdoor activities. You can find numerous cycling routes, including those around the Sonian Forest, with options for moderate to difficult rides. For gravel biking, explore trails like the Grasdelle Trail Clearing loop. There are also mountain hiking opportunities, such as the Bois des Rocs loop. You can find detailed routes and guides for these activities on the Gravel biking around Braine-L'Alleud, Cycling around Braine-L'Alleud, and Mountain Hikes around Braine-L'Alleud guide pages.
The park and associated domain of Château de La Hulpe are noted as wheelchair accessible, allowing visitors to enjoy the extensive grounds and gardens.
Feluy Castle, a 14th-century water castle transformed into a luxurious residence, has a rich history. Château de La Hulpe and Domaine Solvay (Château de Béthune) are both 19th-century historical sites modeled after Loire castles. The Coloma Estate also features an 18th-century moated castle with a long history.
While specific dog policies vary, many public parks and outdoor domains associated with castles in the region are dog-friendly, often requiring dogs to be on a leash. For example, the extensive grounds of Château de La Hulpe and Domaine Solvay are generally welcoming to leashed dogs.
Visitors frequently praise the beautiful, extensive parks and gardens that surround many of the castles, such as those at Château de La Hulpe and Domaine Solvay. The blend of historical architecture with lush natural landscapes, offering opportunities for walks and relaxation, is a common highlight. The unique features like the round tower portal at Feluy Castle and the rose garden at Coloma Estate are also much appreciated.
The Château du Cheneau in Braine-l'Alleud is available for organizing events and ceremonies. Additionally, the Château du Lac on Lake Genval, while not explicitly listed as a castle highlight in this guide, serves as a five-star hotel and was originally a bathhouse built in 1904.


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