Best natural monuments in Walloon Brabant offer a blend of natural beauty and recreational opportunities. The region, often referred to as the "Garden of Brussels," features diverse landscapes including expansive estates, tranquil lakes, and historical sites. These areas provide opportunities for outdoor activities and nature observation. Walloon Brabant's natural features contribute to its appeal as a destination for those seeking natural environments.
Last updated: May 14, 2026
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These old trees are the last witnesses of the Battle of Waterloo. Currently, only 1 of the 3 is still alive, but a new tree has been planted to succeed the other 2.
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Monument representing the loss of the French imperial army during the Battle of Waterloo. It is located along a busy road, but there is a footpath where you can walk.
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Silent living witnesses of Europe's historic turning point.
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One of a total of two birdwatching huts in this part of the nature reserve of the former sedimentation ponds of the Genappe sugar factory. This one offers by far the best view with a beautiful large pond. The lookout hut is accessible via a simple gate (everything else is fenced) and a few stairs. A wonderfully quiet place too and well maintained. The classic information boards with birds that you could observe are present. The surroundings are also beautiful with a lovely path that leads you to the access to the stairs to the hut and offers beautiful views since you are already at a height before you climb to the lookout hut.
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Beautiful long sunken road👏👏
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The cobbled section is recognized as landscape heritage. The Oude Geldenaaksebaan leads from the hamlet of Bet past Mareveld southwards and changes into the Nieuwe Geldenaaksebaan towards Mollendaal. It is a mixed cobbled road constructed in half-brick bond with an alternation of porphyry, Petit Granit and Tiense quartzite. The cobbled road has a reasonably flat profile and was recently reconstructed and provided with sewerage and drainage channels. In a limited number of places, there are still kerbs in Petit Granit. The cobbled road is briefly interrupted and continues as an unpaved sunken road to change into a cobbled road again at the intersection with the Smisstraat. In the course of the 18th and 19th centuries, many previously unpaved connecting roads were cobbled to improve driving comfort. The Oude Geldenaaksebaan had lost its importance in the 19th century in favour of the road that passed through the centre of Bierbeek and was probably not paved until around the middle of the 20th century. The section of road that gave access to the Bergenhof reclamation farm was the first to be paved. The rest of the road only served as a loading road for the surrounding agricultural land and was only paved in the 1970s in function of the increasing development. Inventory of Immovable Heritage: Kasseiweg Oude Geldenaaksebaan, https://id.erfgoed.net/erfgoedobjecten/307633
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To see and don't hesitate to get lost there
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Among the most appreciated natural monuments in Walloon Brabant are the expansive Domaine Solvay, known for its ancient trees, tranquil lakes, and the Château de La Hulpe. Visitors also highly rate the Round Pond and Waterfall, Solvay Park, offering picturesque views within the freely accessible Solvay Park. The Bois des Rêves is another popular spot, especially for families, with its focus on biodiversity and recreational facilities.
Yes, several natural monuments in Walloon Brabant are ideal for families. The Domaine Solvay offers wide paths and beautiful scenery suitable for all ages. The Bois des Rêves in Ottignies-Louvain-la-Neuve is particularly family-oriented, featuring a large pond, a playground, a spray park, and educational trails. Pécrot Pond is also a great spot for a quiet family outing.
Walloon Brabant's natural monuments showcase diverse features. You can explore vast forests with ancient trees, tranquil lakes like Long Tail Pond and Pécrot Pond, and landscaped vistas. Some sites, like the Round Pond and Waterfall, Solvay Park, even feature waterfalls. The region is also home to unique seasonal spectacles, such as the bluebell carpet in Hallerbos during spring.
The natural monuments in Walloon Brabant are excellent starting points for various outdoor activities. You can enjoy extensive walking and hiking trails, such as those found in Domaine Solvay. Cycling is also very popular, with options for gravel biking and road cycling. For detailed routes and inspiration, check out the guides for Gravel biking in Walloon Brabant, Cycling in Walloon Brabant, and Road Cycling Routes in Walloon Brabant.
Yes, Walloon Brabant's natural monuments often blend natural beauty with historical significance. For instance, Domaine Solvay houses the Château de La Hulpe. You can also explore historical roads like Oude Geldenaaksebaan - Historic road and Via Longa (Sunken Lane Haspengouw), which offer a glimpse into the region's past while surrounded by nature. The Hougoumont Chestnut Trees are another example, linked to historical events.
The best time to visit depends on your interests. Spring (April-May) is spectacular, especially for witnessing the bluebell bloom in Hallerbos. Summer (June-August) offers pleasant weather for walking, cycling, and enjoying the lakes and parks. Autumn (September-October) brings beautiful fall foliage. Many sites, like Domaine Solvay, are enjoyable year-round for their serene landscapes.
While specific accessibility details vary by site, many natural monuments in Walloon Brabant feature well-maintained paths that can accommodate a range of visitors. For example, Domaine Solvay offers broad, landscaped paths. It's always recommended to check specific site information for detailed accessibility features before your visit.
Many natural areas in Walloon Brabant are dog-friendly, often requiring dogs to be kept on a leash. Domaine Solvay is generally welcoming to dogs. However, rules can vary between specific parks and nature reserves, so it's advisable to check local regulations for each monument you plan to visit.
Walloon Brabant's natural parks are havens for diverse wildlife. Sites like Domaine Solvay and Pécrot Pond are known for supporting various bird species, including water birds. The extensive forests and natural reserves provide habitats for small mammals, amphibians, and a rich variety of insects and plant life. The Bois des Rêves, in particular, focuses on biodiversity preservation.
Yes, several natural monuments offer excellent viewpoints. The Observatory at Réserve Naturelle Domaniale des Dicentraires at the Sucrerie de Genappe is a dedicated observation site. Additionally, the Biodiversity Observation Site provides opportunities to appreciate the natural surroundings. Many trails, such as the Hill path, also lead to scenic vistas.
Visitors frequently praise the tranquility and natural beauty of the region. They appreciate the well-maintained paths for walking and cycling, the opportunity to connect with nature, and the blend of historical elements with natural landscapes. The sense of peace, the diverse flora and fauna, and the family-friendly atmosphere of places like Domaine Solvay are often highlighted as key attractions.
Many natural monuments in Walloon Brabant offer easy walking routes. Domaine Solvay, for example, has three mapped walking routes, each around 5 km, on relatively flat terrain. The paths around Lake Genval and in Parc de la Dodaine also provide gentle strolls. These areas are perfect for leisurely walks and enjoying the scenery without strenuous effort.


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