Best natural monuments around Péruwelz are found within the Parc Naturel des Plaines de l'Escaut, an expansive natural park covering over 46,500 hectares. This region features a mosaic of forests, wetlands, and agricultural areas, shaped by the Escaut river. The landscape offers diverse ecosystems, including ancient forests and unique nature reserves, providing opportunities for walking routes and nature observation.
Last updated: June 28, 2026
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Michel Raulier: The Nail Tree of Stambruges Tree worship in our region is very ancient. Proof of this is the discovery in Blicquy, in the place called "Ville d'Anderlecht," of a set of 120 posts up to 90 cm in diameter. These may have served as supports for offerings, as evidenced by the numerous iron pins found in the filling holes. This could correspond to an artificial sacred grove housing deities, similar to Lucan's description of petrified forests in Pharsalia. In the past, trees, with their longevity and majestic shape, aroused a sense of sacredness in the minds of our ancestors. They were also believed to be capable of helping people solve their problems, particularly health problems. Many customs exist: walking around the tree, driving nails to fix the ailment, and tying cloths or fabrics to bind it. These trees were often Christianized by the installation of religious images or a chapel nearby. One example among others is that of Notre Dame de Foy. In Foy, near Dinant, a woodcutter discovered a 15th-century statuette in the heart of a very ancient oak tree in 1609. Long forgotten, the figurine bearing the image of the Virgin had been placed in a niche carved into the trunk. Over time, the wood completely covered it and erased its memory. In Stambruges, there is one of these remarkable trees, and beside it is a chapel, called "the chapel of Erconpuch" or, by another name, "the chapel of Arc-au-Puche," dedicated to the Virgin Our Lady of Arc-au-Puits, formerly called the Virgin of the Woods.
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The Mer de Sable nature reserve is a 22-hectare protected area, renowned for its peat moors and young birch forests. Formerly a pond that dried up in the 19th century, the site is home to exceptional flora, including heather and carnivorous plants such as the sundew. The reserve, classified as a major heritage site in Wallonia, offers marked trails for hiking and observing local biodiversity.
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Ornithological nature reserve, with magnificent species. Several observation points set up for bird watching. accessible to PMR.
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Special, that sandy area and a nice place to eat (there is also a restaurant)
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There are two viewing huts on the route. But especially many ornithologists. This must clearly be a special place!
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Located in the heart of the Haine valley, between Mons and Tournai, the marshy complex of Harchies-Hensies-Pommeroeul, better known as the Marais d'Harchies, is a major site for the fauna and flora of Wallonia. Covering an area of 550 hectares, this site of great biological interest is home to many species and constitutes an important transit site during bird migration and offers ideal conditions for the nesting and wintering of numerous species. Its registration as a “Ramsar” wetland confirms its importance on an international scale. https://oiseaumaraisdharchies.be/
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In the forest of Stambruges is 'la Fontaine bouillante', the bubbling spring where, according to legend, a mistress of the Prince De Ligne drowned with her coach and the crew of the coach tries to surface. In reality, it is spring water bubbling up through a crack in the earth. https://nl.wikipedia.org/wiki/Bos_van_Stambruges
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The region around Péruwelz is primarily characterized by the Parc Naturel des Plaines de l'Escaut. This expansive park features a mosaic of forests, wetlands, and agricultural areas, shaped by the Escaut river. You'll find diverse ecosystems, including ancient forests like the Forêt Domaniale de Bonsecours, unique nature reserves, and significant wetland areas.
Yes, you can visit The bubbling spring of Stambruges and its mysteries. This natural monument, located in a forest, is known for its constantly agitated water surface with fine bubbles. This phenomenon is caused by air crossing a sandy layer through a fault, creating a unique visual effect.
The Marais d'Harchies-Hensies-Pommerœul Nature Reserve is an excellent choice. This crucial ornithological site in Wallonia offers diverse habitats, including ponds, reed beds, and meadows. Over 300 bird species have been observed here, making it an important transit point for migratory birds. Another unique spot is the Mer de Sable State Reserve, known for its peat moors, young birch forests, and exceptional flora like heather and carnivorous plants.
The region offers a variety of outdoor activities. You can explore numerous hiking and walking trails within the Parc Naturel des Plaines de l'Escaut. For more specific routes, there are options for MTB Trails, Running Trails, and Gravel biking, with routes ranging from easy to difficult.
Yes, several natural sites are suitable for families. Mer de Sable State Reserve offers marked trails for exploring its unique landscape. L'Escale forestière in Bon-Secours, within the Péruwelz municipality, provides interpretive spaces and recreational facilities, including a 'Promenoir des Cimes' treetop walkway and a barefoot trail, offering interactive experiences for all ages. The The Nail Tree of Stambruges is also a unique cultural and natural monument that can be interesting for families.
Absolutely. The Marais d'Harchies-Hensies-Pommerœul Nature Reserve is a prime location for birdwatching. It's a crucial ornithological site with over 300 observed bird species and around 100 breeding species. A 6.5 km circuit with seven observation points allows visitors to explore the marshes and their inhabitants, making it ideal for spotting diverse birdlife.
The Marais d'Harchies-Hensies-Pommerœul Nature Reserve offers assistance for people with reduced mobility along its 6.5 km circuit, which includes observation points. It's advisable to check specific accessibility details for other sites directly with local visitor centers or park authorities.
The natural monuments around Péruwelz can be enjoyed year-round, but each season offers a different experience. Spring brings blooming flora and active wildlife, especially in the wetlands. Summer is ideal for longer walks and cycling. Autumn showcases vibrant foliage in the forests, while winter offers a serene, quiet beauty. For birdwatching, spring and autumn are excellent due to migratory patterns at sites like Marais d'Harchies.
Many trails within the Parc Naturel des Plaines de l'Escaut and the Forêt Domaniale de Bonsecours are suitable for dog walking. It's generally recommended to keep dogs on a leash to protect local wildlife and ensure a pleasant experience for all visitors. Always check specific site regulations before your visit.
Parking facilities are typically available at the main entrances or visitor centers of the larger natural sites, such as L'Escale forestière and the Marais d'Harchies. For smaller, more remote natural monuments or trailheads, parking might be limited to roadside spots. It's best to check specific location details before your trip.
L'Escale forestière, located in Bon-Secours within Péruwelz, serves as a gateway to the natural park, specifically the Bon-Secours forest. It provides interpretive spaces and recreational facilities to help visitors understand the forest ecosystem. A key feature is the 'Promenoir des Cimes,' a 50-meter long walkway that allows visitors to ascend to the treetops, offering a unique perspective of the forest at 16 meters high. It also includes a sensory area and a barefoot trail.
The Forêt Domaniale de Bonsecours is an ancient forest, part of which lies within Péruwelz. It's a remnant of the historical 'forêt charbonnière' and spans approximately 1,200 hectares. The forest is characterized by diverse tree species like beeches and oaks and offers numerous marked trails for hiking. It's also recognized for its historical significance, having once been a border in Salic law, and features a remarkable old oak tree.


Extend your search for the best caves by checking out these guides of the top ones around Péruwelz: