Natural monuments around Nandrin are situated within the Condroz region of Wallonia, Belgium, characterized by undulating plateaus, wooded ridges, and valleys. This area offers diverse natural landscapes for exploration. The region's geology includes limestone formations and river valleys, such as that of the Hoyoux. Visitors can experience the natural beauty through various outdoor activities.
Last updated: June 26, 2026
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When I was young, I used to climb from the bottom of the cave and we would reach the very top of the site. With a beautiful panorama of the city.
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It's a very beautiful place for a walk. You can start from the Trixhes, go down a small path along the quarry. When you get to the bottom, you arrive at the Carrière des Roches. From there, you pass by two sides with different rocks. If you continue, you arrive in "Houlbouse" street. And finally, at Chokier. Very beautiful hike. To do with dogs and especially children.
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The Seraing Arboretum boasts a rich collection of tree species, including a giant sequoia measuring approximately 38 meters tall with a circumference of 6.60 meters (approximately 2.10 meters in diameter). The giant sequoia is renowned for its ability to withstand impacts (its bark is approximately 3 cm thick) and was used in firebreaks because its moist bark provides good resistance to forest fires. There are also Vancouver firs measuring approximately 51 meters tall, though some have died standing. If you'd like to see for yourself, you can make the "lumberjack's cross," an easy and fun activity. Please respect the trees by not tearing the bark off the sequoia and by staying on the paths. We wish you a pleasant walk.
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This spectacular ridge walk follows the rocky heights above the Ourthe valley and offers several breathtaking views, including the iconic La Roche aux Faucons. The route winds through forest, over stony paths and past clearings where you can spot lizards and orchids bloom in spring. Along the way you pass three viewpoints, two of which have benches. The paths are well marked but sometimes narrow and uneven – sturdy shoes are recommended!
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Parc du Mary is a vast forest area of approximately 100 hectares on the western slope of the Ourthe valley, within walking distance of the centre of Esneux. The park offers a mix of deciduous forest, ponds, streams and gently sloping paths, ideal for walkers, joggers and nature lovers.
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A quiet, wooded park on the edge of Esneux, ideal for a relaxing walk or trail run. The loop-shaped route of approx. 8 km takes you past majestic trees, ponds and babbling brooks. The path is largely unpaved and offers a mix of serene nature and slight elevation changes
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Very beautiful natural place at the foot of the rocks.
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The region around Nandrin offers several interesting natural monuments. You can explore the Roche-aux-Faucons Ridge Trail, known for its panoramic views of the Ourthe valley. Another significant site is Modave Castle, which, in addition to its historical significance, is considered a natural monument dominating the Hoyoux valley. For a quieter experience, Parc du Mary provides a peaceful wooded area for walks and trail running.
The Nandrin area, situated in the Condroz region, is characterized by undulating plateaus, wooded ridges, and river valleys. You'll find limestone formations, diverse forests of oaks and hornbeams, and impressive rock formations along rivers like the Hoyoux. The region is also known for its scenic viewpoints and varied terrains, offering a tranquil escape into nature.
Yes, the area around Nandrin is excellent for outdoor activities. You can find numerous hiking trails, such as those around Roche-aux-Faucons Ridge Trail and Parc du Mary. For more structured routes, you can explore options for running, gravel biking, and mountain biking in the wider region.
The region boasts unique geological features, particularly along the Le Hoyoux River, which is known for carving its way through limestone and creating impressive rock formations and rare travertines. Another specific example is the Poudingue d'Ombret Trail, where you can observe ancient river delta deposits forming a unique type of natural concrete with quartz pebbles.
Yes, several natural monuments are suitable for families. Modave Castle, with its gardens, is a family-friendly historical and natural site. Parc du Mary is also ideal for relaxing walks with children, offering gentle paths through a wooded area.
The difficulty varies. Sites like Parc du Mary offer gentle paths suitable for most. However, trails like the Roche-aux-Faucons Ridge Trail can be intermediate, with some narrower, stony sections. The Trou Manto cave involves a challenging, steep climb over a rocky path. It's advisable to check specific highlight details for difficulty levels.
Parking availability varies by location. For instance, Parc du Mary is noted to have parking. For the Poudingue d'Ombret Trail, parking near the Pavillon des landes d'Ombret can be limited, and alternative spots might be needed. It's best to check specific location details before your visit.
The natural monuments are generally enjoyable throughout the year. Spring and autumn offer pleasant temperatures and beautiful scenery, with blooming flora or vibrant fall colors. Summer is ideal for longer days and outdoor activities. Some sites, like Modave Castle, have specific opening seasons, typically from spring to mid-November.
Many natural monuments, especially outdoor trails and viewpoints, are accessible in winter. However, conditions can be challenging with wet or icy paths, particularly in areas like Trou Manto where caution is advised in wet weather. Always wear sturdy walking shoes and check local weather conditions before heading out.
While specific regulations for each natural monument are not always detailed, generally, dogs are welcome on trails and in natural areas in Belgium, often on a leash. It's always a good idea to check for specific signage at the entrance of parks or protected areas like Parc du Mary or the Roche-aux-Faucons Ridge Trail for any restrictions.
The Le Hoyoux River is notable for being one of Wallonia's steepest rivers, carving through limestone landscapes to create impressive rock formations and terraces. Its valley is rich in biodiversity, featuring diverse forests and wildlife such as wild boars and deer. It's also recognized for its travertines, which are a rare geological phenomenon in Europe.
Yes, for those seeking a more challenging experience, Trou Manto is a collection of limestone caves in the Solières valley. It features a complex network of tunnels and requires a steep climb over rocky paths. Access to the main cave is restricted to protect bats and requires a guide or caving association due to its protected status.


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