Best natural monuments around Huldenberg are found within the "Green Belt" surrounding Brussels, characterized by rolling hills and the meandering Dyle river and its tributaries, the Ijse and the Laan. This landscape provides diverse natural areas suitable for nature lovers, hikers, and bikers. The region features extensive nature reserves and forests, offering opportunities for outdoor exploration. These natural monuments showcase the area's rich biodiversity and tranquil environments.
Last updated: August 6, 2026
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Known for its distinctive shape with three protrusions that resemble the toes of a goose foot.
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The Duisburg Dolmen Stone is a large historical erratic boulder in Duisburg (a district of Tervuren). It is often associated with prehistoric rituals and may have been part of an ancient burial monument (dolmen), although this has not been proven with certainty. The stone is primarily considered a local archaeological and folklore monument, commemorating the very early settlement of the region.
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To see and don't hesitate to get lost there
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In 1652, in the middle of the Meerdaalwoud, Lord van Steenbergen had a chapel built on the site where there had previously been a miraculous statue of Mary who cured people suffering from marsh fever.
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Regardless of how many paths, lanes, avenues, and other sunken roads converge here, this place is known as the Zevenster (Seven Star). And in the middle lie those famous stones. They too have a name: together, they form the Duisburg Dolmen Stone. Specifically, it refers to three remaining fragments of this Dolmen Stone, which originally, in their unbroken state, had a diameter of approximately 2.45 meters. The stone (a chunk of quartzite, or compressed sandstone) was unearthed in 1883 in a field near Duisburg. Locals initially thought it was an impacted meteorite, which subsequently earned it the name "dry thunderstone." After considerable debate, it is now believed to be polishing stones. So, no remains of a megalithic monument, although several Stone Age artifacts have been found in the Sonian Forest. The stone was unbroken when it was found. This happened during its transport to the Warande Park or the Warande (Tervuren Park) here, where it was brought by horse and cart in 1897 and was a showpiece at the World's Fair—although the 267 Congolese who were forcibly brought to Belgium to be exhibited as animals in a zoo that same year likely attracted more attention. The Zevenster itself is, of course, a rather special spot with all its avenues and paths converging. You can enjoy it from various benches, including a picnic table and a "wooden throne." Incidentally, the Zevenster isn't that old. In the past, it was entirely laid out in a checkerboard pattern. The redevelopment of the Warande, with a star-shaped instead of checkerboard pattern, took place under Charles of Lorraine in the eighteenth century. Quote: "The Warande itself also received a thorough facelift, and the original checkerboard pattern was changed to a star-shaped layout, with the various avenues converging into the 'Zevenster'." Sources: https://ernstguelcher.blogspot.com/2024/02/dolmen-in-tervuren-en-chaumont-gistoux.html http://www.megalitica.be/megasite/belgie7a.htm https://inventaris.onroerenderfgoed.be/erfgoedobjecten/300554
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The path which crosses the Solvay estate and which passes near the Château de La Hulpe is in good condition and has only a few holes filled with water... but easily avoidable.
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Huldenberg's natural monuments are appreciated for their diverse landscapes. Among the most popular are Domaine Solvay, a vast public park with forests, lawns, and ponds, and the Geographic Arboretum of Tervuren, which features over 400 tree species from around the world. Visitors also frequently enjoy Ganzepoot Pond, a serene lake that forms part of the Ijse river's source area.
Yes, Huldenberg is home to significant nature reserves. The
Doode Bemde Nature Reserve is one of the largest in Flanders, spanning 250 hectares with 9 kilometers of walking paths through grasslands, lakes, and marshes. It's considered very accessible for peaceful walks. Another notable area is the Sint-Agatha-Rode Forest, a national nature reserve covering about 171 hectares, offering varied landscapes with small creeks, wet hayfields, and dense forests.
Absolutely. The region boasts several diverse forests. The Geographic Arboretum of Tervuren is a unique forest experience with over 400 tree species planted in miniature forests. The Margijsbos is a 120-hectare mixed woodland ideal for nature activities, while the Sint-Agatha-Rode Forest features beeches, oaks, and birches, providing a tranquil oasis for walks.
Many natural monuments in Huldenberg are suitable for families. The Domaine Solvay and the Geographic Arboretum of Tervuren are both listed as family-friendly. The Margijsbos is particularly recommended for children, offering a variety of trees for activities like bark rubbings. The Dolmen Stone of Duisburg in the Sonian Forest is also a family-friendly spot with historical interest.
The natural monuments around Huldenberg are excellent starting points for various outdoor activities. You can enjoy mountain hikes, with routes like the 'Fourmilière loop from Walloon Brabant' available. Cycling is also popular, with options ranging from easy paths along the Ijse to more challenging routes through forests. For gravel biking enthusiasts, there are routes like the 'World Gravel Cup towards Leuven'. You can find more details on these activities in the Mountain Hikes around Huldenberg, Cycling around Huldenberg, and Gravel biking around Huldenberg guides.
Yes, there are numerous hiking trails. The Doode Bemde Nature Reserve alone offers 9 kilometers of paths. The Margijsbos is part of a five-mile hiking trail connecting Huldenberg and Loonbeek. For more structured routes, you can explore options in the Mountain Hikes around Huldenberg guide, which includes trails like the 'Fourmilière loop from Walloon Brabant'.
While primarily natural, some sites have historical significance. The Domaine Solvay houses the historic Château de Béthune. The Chapel of Our Lady of Steenbergen and the Minnebron is a 17th-century Baroque building with a nearby ancient spring, both attributed with miraculous healings. The Dolmen Stone of Duisburg, though not a natural formation, is a large historical erratic boulder in the Sonian Forest with archaeological and folklore importance.
Yes, dogs are generally allowed in many natural areas, often on a leash. For instance, the Sint-Agatha-Rode Forest explicitly permits dogs on a leash, making it a great option for walks with your canine companion.
Huldenberg's natural monuments showcase a variety of features. You'll find rolling hills, meandering rivers like the Dyle, Ijse, and Laan, and extensive wetlands in areas like the Doode Bemde Nature Reserve. There are also dense mixed woodlands, serene lakes such as Ganzepoot Pond, and unique arboretums like the Geographic Arboretum of Tervuren with its diverse tree species.
Visitors frequently highlight the tranquility and diverse beauty of the region. Many appreciate the peaceful walks amidst varied natural landscapes, from the extensive grasslands and marshes of Doode Bemde to the dense forests of Margijsbos and Sint-Agatha-Rode. The changing landscapes around Ganzepoot Pond and the unique botanical experience at the Geographic Arboretum of Tervuren are also highly praised.
The Doode Bemde Nature Reserve is considered the most accessible nature reserve in Flemish-Brabant, offering 9 kilometers of walking paths. This makes it a great option for those seeking easy access to natural beauty.
While specific viewpoints are not extensively detailed for all natural monuments, areas like Domaine Solvay and Ganzepoot Pond offer scenic spots and views of their respective landscapes. The varied terrain of Huldenberg, characterized by rolling hills, often provides picturesque vistas throughout its natural areas.


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