Best canyons in Wallonia are found within a region characterized by Ardennes forests, rolling hills, and dramatic rock formations. This area features numerous gorges and valleys carved by rivers, offering diverse natural landscapes. These geological formations provide varied outdoor experiences, from tranquil hikes to more adventurous exploration. Wallonia's canyons are notable for their natural beauty and ecological significance.
Last updated: May 10, 2026
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Here, the Warche River carves deep into the Ardennes rock, creating a series of natural rapids and small waterfalls. The river's power is particularly evident between Bevercé and Bellevaux, with swirling waters swirling between dark rocks and forests teeming with moss and ferns.
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Theoretically, you could even walk across the river today, as there was only a little water. The bridge has no railing and some wooden beams are missing, but you can still get across easily ;)
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A difficult path not easy. You should always be careful when hiking and it is better to go in pairs in case something happens
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The Fondry des Chiens in Nismes, also known as the Belgian Grand Canyon, is a natural hollow formed by the seepage of rainwater through the limestone bedrock. It is a unique geological phenomenon and one of the few places in Belgium where you can see such natural gorges. The hollow is approximately 100 metres long and 20 metres deep. The area is surrounded by limestone grassland and dotted with rocks, crevices and caves. The site is rich in rare flowers such as wild orchids and ball daisies, and offers a habitat for various butterflies and lizards. The area is recognised as a nature reserve and is protected because of its vulnerable flora and fauna.
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a small gorge, a river and ...the beautiful Reinhardstein Castle!
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Adventurous path along the 'crêtes de Warche'
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Left or right, always beautiful...
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Visitors frequently enjoy the Trôs Marets Valley, known for its wild river and serene setting. Another favorite is Ninglinspo Valley, offering a unique hike along the stream. The Fondry des Chiens Gorge, a narrow, deep gorge formed by rainwater erosion, is also highly appreciated for its unique geological features and biodiversity.
Wallonia's gorges are characterized by dramatic rock formations, flowing rivers, and lush vegetation. You can find unique geological formations like the 20-meter deep Fondry des Chiens Gorge with its large boulders, or the towering limestone cliffs of Les Aiguilles de Chaleux along the Lesse River. Waterfalls, such as the Bayehon Waterfall, are also prominent features.
Yes, several gorges are suitable for families. The Bayehon Waterfall and its gorge are particularly appealing due to their accessibility and proximity to the Moulin de Bayehon watermill, which offers parking and services. The Trôs Marets Valley is also considered suitable for families and hikers with dogs, offering a varied landscape.
The region offers diverse outdoor activities. You can enjoy tranquil hikes through scenic valleys like the Trôs Marets Valley or more adventurous canyoning experiences, especially in areas like Les Hautes Fagnes. For hiking, you can explore routes such as 'Tour 4: ‘Wild gorge of the Trôs-Marets’' or 'Pleasure tour 8: "A castle sits enthroned in the Warche valley"'. Find more options in the Easy hikes in Wallonia guide or the Hiking in Wallonia guide.
Canyoning in Wallonia, particularly in areas like Les Hautes Fagnes, is best enjoyed in spring, summer, and autumn. It's advisable to avoid dry periods to ensure sufficient water flow for the activity.
Absolutely. The Fondry des Chiens Gorge near Nismes is a natural monument formed over millions of years by rainwater erosion, creating a ravine with large boulders and a rich biodiversity. Another notable site is Les Aiguilles de Chaleux, featuring towering limestone cliffs along the Lesse River that vary in color.
Visitors frequently praise the natural beauty and the feeling of being immersed in untouched landscapes. Many highlight the serene natural setting of places like the Trôs Marets Valley and the impressive scenery of Ninglinspo Valley, where some feel like they are walking through the stream itself. The picturesque photo opportunities at the Bayehon Waterfall are also a big draw.
Yes, the Trôs Marets Valley is noted as being suitable for hikers with dogs, offering a varied and enjoyable landscape for both you and your pet.
While many gorges are well-known, the Sawe Valley is a beautiful area reminiscent of other popular torrents, featuring mighty quartzite blocks in the riverbed and numerous small waterfalls. It offers a less frequented but equally rewarding experience.
Hiking difficulty varies. Some paths, like those around the Bayehon Waterfall, can be challenging with roots and slippery sections, requiring sturdy shoes. The trail to the top of the Fondry des Chiens Gorge can be technical but has short difficult sections. Many trails are intermediate, offering a rewarding experience for most hikers.
Le Hérou, with its dramatic rock formations along the Ourthe River, has been recognized as a heritage site since 1937, making it a place of both natural beauty and historical significance in the Ardennes.
For runners, there are various trails available. You can find routes like 'Exploring in the Kluisbos' or the 'Great Trail of Lakes & Castles'. More options are detailed in the Running Trails in Wallonia guide.


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