Best natural monuments around Tournai include a variety of landscapes, from significant wetlands to ancient geological formations. The region, part of the Plaines De L'Escaut Natural Park and near the Pays des Collines Nature Park, features diverse terrain. These areas offer insights into Wallonia's natural heritage and provide settings for outdoor activities. The geological bedrock of Tournaisis, composed of Carboniferous limestone, also reveals historical quarrying and palaeokarstic features.
Last updated: May 17, 2026
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Popular around Tournai
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As in many villages and towns, a Tree of Liberty was also erected in Rumillies, commemorating the Belgian Revolution of 1830(-1833). It was planted in 1980, on the occasion of the 150th anniversary of Belgian independence.
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Cobbled road with a view of Mont-Saint-Aubert (for those walking/climbing northwards) or Cain and Tournai (for those walking/descending southwards).
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Farm track that climbs gently. Passable on gravel.
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The language border runs right across the densely wooded Kluisberg. Various stories and legends are connected to this witness hill. One of these is the legend of Liedericq, a prince who was raised in the forest by a hermit. Near hiking junction 7 on the Walloon side of the hill is the first of three large giants, each of which depicts a part of the story. The path slowly climbs past the three giants. In 620, Prince Salvaert of Dijon and his entourage passed near the hill. They were attacked by the cruel giant Phineart and were killed. Only the pregnant Ermengaert, wife of Salvaert, managed to escape. She gave birth in the forest and hid her newborn before also falling into the hands of Phineart. A hermit (wink ‘Kluisbos’) took care of the baby. This Prince Liedericq later grew up to be a knight and is said to have been the ancestor of the Counts of Flanders.
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For scenic views and outdoor activities, consider visiting Mont-Saint-Aubert, a summit known for challenging climbs and panoramic vistas, ideal for cycling. Another popular spot is Kluisberg - Mont de l'Enclus, a hill in the Flemish Ardennes with a large forest area, the Kluisbos, perfect for cycling, tourism, and recreation.
Yes, several natural sites around Tournai are suitable for families. Coupure Deweer, a tranquil lake formed from a cut-off arm of the Scheldt, offers a peaceful environment to observe aquatic life. The Menhir of Pierre Brunehault is also family-friendly, providing benches to rest and enjoy the surrounding landscape and plantations.
The region offers unique natural landscapes. The Mer de Sable State Reserve, within the Plaines De L'Escaut Natural Park, features distinctive peat moors and young birch forests, home to exceptional flora like heather and carnivorous plants. It's also great for birdwatching. The Marais d'Harchies-Hensies-Pommerœul Nature Reserve is an extensive wetland complex crucial for bird migration, nesting, and wintering, recognized as a 'Ramsar' wetland of international importance.
You'll find a variety of hiking trails. For example, the Stream Path offers a rolling route with cobblestones and gravel, providing views of Mont-Saint-Aubert. For more options, explore the Easy hikes around Tournai guide, which includes routes like the 'Grand Large Loop' and 'Kluisbos Forest – Wooden Steps in Kluisbos loop'.
Absolutely. Areas like Mont-Saint-Aubert and Kluisberg - Mont de l'Enclus are popular cycling destinations with open roads and low traffic. The Pays des Collines Nature Park also offers diverse terrain suitable for cycling. You can find more routes in the Cycling around Tournai guide and the Road Cycling Routes around Tournai guide.
The Tournaisis area is known for its Carboniferous limestone, dating back 359 to 345 million years. While not singular monuments, the ancient quarries in areas like Gaurain-Ramecroix expose these formations and their palaeokarstic features, offering insights into the region's deep geological past. This dark limestone, sometimes called 'Tournai marble,' was historically used for building.
Visitors frequently praise the challenging climbs and beautiful panoramas at Mont-Saint-Aubert. The Kluisberg - Mont de l'Enclus is appreciated for its valuable nature, beautiful views, and recreational opportunities. Many also enjoy the tranquil balance of fish and plants in the still waters of Coupure Deweer.
Yes, the Menhir of Pierre Brunehault is an impressive megalith and one of Belgium's largest and oldest menhirs, dating back to prehistoric times and steeped in local legends. While not a natural monument, the Giant Liedericq is a man-made monument located within a forest, offering a blend of history and nature.
Beyond visiting the natural reserves, the Tournai Natural History Museum and Vivarium provides valuable context. It houses extensive collections and a vivarium with over 70 species, along with a 'Garden of Wonders' and an exotic butterfly greenhouse. You can find more information on their website: visitwallonia.com.
The region offers several beautiful forested areas. The Kluisbos, located on Kluisberg - Mont de l'Enclus, is a large forest area perfect for recreation. You can also explore the trails within Vert Bois de Blandain, which offers a natural setting for walks. The Mer de Sable State Reserve also features young birch forests with marked trails.
The Pays des Collines Nature Park is situated near Tournai and is characterized by its enchanting hilly landscapes. It's a remarkable natural space for various outdoor activities like hiking and cycling, making it a great option for exploring the regional ecosystem. You can find more details about the park on visitwallonia.com.


Find even more amazing natural monuments around Tournai by checking out the top Highlights region by region:
Extend your search for the best caves by checking out these guides of the top ones around Tournai: