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Silsombos

Attractions and Places To See in Silsombos - Top 12

Best attractions and places to see in Silsombos include a natural area known for its wet forests, marshy grasslands, and diverse flora and fauna. This region, part of "De Groene Vallei," is characterized by perpetually bubbling calcareous groundwater, supporting unique plant life like wild orchids and giant horsetails. The area also features significant watercourses, including the Weesbeek and Molenbeek, which contribute to its wetland ecosystem. Silsombos offers a range of outdoor experiences, from marked walking and cycling routes to cultural landmarks.

Best attractions and places to see in Silsombos

  • The most popular attractions is Along the Molenbeek, a river that flows through the Silsombos. This stream is notable for its connection to local legends and can be very muddy in certain sections.
  • Another must-see spot is Bezoekerscentrum Groene Vallei, a cafe and visitor center. It serves as a base for exploring the wider Green Valley area, offering information, a cafe, and a picnic area.
  • Visitors also love The Black Madam statue in Silsombos, a man-made monument. This statue of Our Lady is situated under an ancient oak tree and is central to local folklore, with legends of voices luring travelers into the Molenbeek.
  • Silsombos is known for its natural features like wet forests and diverse flora, as well as cultural sites and historical monuments. The area offers a variety of attractions to see and explore, from tranquil river paths to visitor centers and legendary statues.
  • The attractions in Silsombos are appreciated by the komoot community, with 116 upvotes and 81 photos shared by visitors.

Last updated: May 8, 2026

The Black Madam statue in Silsombos

Highlight • Monument

She has been there for a long time and would lure people like a siren and drown them in the Molenbeek. But for me she is a moment to stop and during this period the beautiful blue dragonflies love the wet environment and streams where she can be found. Nice to see.

The official reading according to the site of Natuurpunt: "The black madam is a statue of Our Lady on a high stone pedestal, located on the border with Nederokkerzeel and Erps-Kwerps. There are various legends about this statue. For example, there is the story that is told on this place around midnight voices were heard. These lured visitors into the Molenbeek, where they drowned. Later, the owners of the Balkemolen castle erected a statue of the Virgin Mary here." natuurpunt.be/pagina/erfgoed-groen-vallei

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Along the Molenbeek

Highlight • River

The Molenbeek is the most important stream in the municipality of Kortenberg, where it also originates. In the first part of its course it is called the Aderbeek and then Wasbeek. It flows into the Dyle at Boortmeerbeek. But first it also flows along the Silsombos where you will also find the Weesbeek that originates in Erps. At the Stenen Goot it even flows above the Weesbeek. More info about this highlight during your walk in Silsombos: komoot.com/nl-nl/highlight/5771050

The Molenbeek stream also flows to the Zwarte Madam in this area: komoot.com/nl-nl/highlight/3856012

The area here can be very muddy and the boardwalks and pieces of wood are not in the best condition for every walker.

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Stenen Goot Aqueduct

Highlight • Monument

De Stenen Goot is a well-known spot for the inhabitants here. Sometimes (especially in spring and summer when there is a lot of vegetation) you see less of the overall picture, so stop for a moment and take a good look around.

What is it? We quote: "The Stenen Goot is an aqueduct that transports the water of the Molenbeek over that of its sister course, the Weesbeek. It ensured that the water of the Molenbeek, after it had fed the Heersemmolen in Veltem-Beisem (Herent) , could be transported to the water mill of Ter Balkt (Kampenhout)."

You can clearly see one of the two streams, the Molenbeek, because it is higher than the other, the Weesbeek, which it crosses via the aqueduct. However, if you look at the Weesbeek you will also see some stone remains of the entire construction. Attention: the Weesbeek, which runs under the Molenbeek gutter, is a bit deeper here than you might think, so don't slide out. More: natuurpunt.be/pagina/erfgoed-groen-vallei

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This is the only place for a snack/drink we passed on our walk. And it was closed.

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Boardwalks of Silsombos

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Watch carefully, the decking is not all that good, planks are missing and there are butterflies lying loose. If possible, it's better to walk next to the ramps, I think it's safer

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Tips from the Community

Philippe
September 3, 2025, Langs de Molenbeek

I think this one has been cleaned properly.

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Those paths are great, they're renovating them. Many rot during wet periods.

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Bar Bruis has moved to the old Kortenberg Abbey. At this location, you'll find the Groene Vallei visitor center. There is an information desk, café, and picnic area. Open on: Wednesday: 2:00 PM - 6:00 PM Friday: 2:00 PM - 6:00 PM from June 6th, during the summer months Saturday: 2:00 PM - 6:00 PM Sunday: 11:00 AM - 6:00 PM

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Beautiful and a bit adventurous due to the "rustic character" of some paths.

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JP
November 19, 2024, Boardwalks of Silsombos

Silsombos is a series of boardwalks, each one better than the other. Best to wear boots if it has rained a lot and in dry springs and summers just walk next to the boardwalks.

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Discover the old stories in the dark forest and meet the Black Madame...

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Jeff S
November 19, 2023, Langs de Molenbeek

The path takes you along the Molenbeek, in a mysterious atmosphere...

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It can be very muddy here...

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Frequently Asked Questions

What kind of natural features and wildlife can I expect to see in Silsombos?

Silsombos is a significant nature and forest area, characterized by wet forests, marshy grasslands, and oak forests. It's renowned for its diverse plant life, including wild orchids and giant horsetails, especially in late May and early June. In spring, you can admire buttercups and slender primroses, while autumn showcases the European spindle tree. The area is also a haven for birds, with over 70 breeding species like nightingales, bluethroats, and kingfishers, and is home to roe deer. A viewing wall is available for observing marsh birds.

Are there any historical or cultural landmarks in Silsombos?

Yes, Silsombos features intriguing landmarks. One notable site is The Black Madam statue in Silsombos, a statue of Our Lady under an ancient oak tree at a sharp meander of the Molenbeek. Local legends claim the 'Black Madam' lures travelers into the Molenbeek. Another interesting spot is the Stenen Goot Aqueduct, a unique construction where the Molenbeek flows over the Weesbeek.

What makes the Silsombos Nature Reserve unique?

The Silsombos Nature Reserve is unique due to its perpetually bubbling calcareous groundwater, which creates a rich and diverse ecosystem. This marsh forest environment supports an exceptional variety of flora and fauna, including rare wild orchids and impressive giant horsetails. It's also an integral part of the larger 'De Groene Vallei' (The Green Valley), providing a crucial green lung in the region.

Are there marked walking routes in Silsombos?

Yes, Silsombos is a popular destination for hikers, offering five marked walking routes. The area's accessibility has been improved, making it pleasant for walks. Paths can be muddy, so sturdy shoes or boots are recommended. You can explore trails like Zwarte Madam Road, which leads to the legendary Black Madam statue, or walk Along the Molenbeek.

What kind of cycling opportunities are available in Silsombos?

Silsombos and the surrounding 'De Groene Vallei' offer extensive cycling routes. You can find options for various cycling styles, including gravel biking, touring, and mountain biking. For more detailed routes, explore guides like Gravel biking in Silsombos, Cycling in Silsombos, or MTB Trails in Silsombos.

What are the terrain conditions like for walking in Silsombos?

The terrain in Silsombos can be quite varied. Due to its marshy nature and the presence of watercourses like the Molenbeek and Weesbeek, paths can often be muddy, especially after rain. Sturdy, waterproof footwear is highly recommended. Some sections, like parts of Zwarte Madam Road, may have damaged decking or slippery step stumps, requiring careful navigation.

Is Silsombos suitable for families with children?

Yes, Silsombos is suitable for families. The area offers family-friendly walks, and the Bezoekerscentrum Groene Vallei (Green Valley Visitor Center) provides a playground for children, making it an ideal base for family outings. The natural environment offers opportunities for children to explore and connect with nature.

Can I bring my dog to Silsombos?

Yes, Silsombos is dog-friendly. The Green Valley Visitor Center, located on the western edge of Silsombos, features a designated off-leash area for dogs, allowing your canine companions to enjoy the natural surroundings freely.

When is the best time of year to visit Silsombos?

Silsombos offers beauty throughout the year, but specific seasons highlight different aspects. Late May and early June are ideal for seeing wild orchids in bloom. Spring brings buttercups and slender primroses, while autumn showcases the European spindle tree. The marshy environment can be particularly atmospheric when mist shrouds the area at dawn.

Are there facilities or places to eat near Silsombos?

Yes, the Bezoekerscentrum Groene Vallei (Green Valley Visitor Center) in Erps-Kwerps serves as an excellent base. It includes a 'SilsomCafé' (Bar Bruis), a shop with natural products, and a picnic area. The nearby villages of Erps-Kwerps and Nederokkerzeel also offer places for refreshment.

What are the main water features in Silsombos?

Silsombos largely encompasses the wet valley of the Weesbeek, just before it converges with the Molenbeek. These watercourses, particularly the Molenbeek, contribute significantly to the unique wetland ecosystem and the area's mysterious atmosphere. The Stenen Goot Aqueduct is a notable point where the Molenbeek flows over the Weesbeek.

What do visitors enjoy most about Silsombos?

Visitors appreciate the tranquil natural beauty and the diverse flora and fauna of Silsombos. The unique marsh forest environment, with its bubbling groundwater and wild orchids, is a highlight. Many also enjoy the marked walking and cycling routes, the local legends surrounding landmarks like the Black Madam, and the peaceful escape offered by 'De Groene Vallei'.

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