4.4
(1938)
8,483
hikers
437
hikes
Family friendly hiking trails in Marais D'Harchies-Hensies-Pommerœul traverse a distinctive wetland ecosystem, characterized by extensive marshlands, ponds, and the largest reed-covered area in Wallonia. The landscape also features historical mine heaps, known as "terrils," which offer a contrast to the wet environments. These varied terrains provide accessible paths through diverse flora, including pollard willows and wet groves, making it an ideal location for nature observation.
Last updated: September 1, 2026
4.6
(154)
585
hikers
6.34km
01:36
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.7
(113)
423
hikers
6.12km
01:33
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.4
(5)
51
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.3
(4)
12
hikers
10.9km
02:46
30m
30m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3.8
(5)
20
hikers
21.0km
05:25
110m
110m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
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magnificent view
2
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The Harchies Marshes, located in Wallonia, have a rich and eventful history. In the 18th century, the Haine Valley was bordered by wet and marshy meadows, but no body of water existed. Between 1925 and 1930, mining caused subsidence, creating depressions invaded by the water table. In the 1950s, the surface area covered by water increased, promoting exceptional biodiversity. Between 1968 and 1971, the site drained, threatening its ecosystem. From 1973-1974, preservation efforts allowed the marsh to revive. In 1986, the site was recognized as a Ramsar area, highlighting its ecological importance. Today, it covers approximately 550 hectares and is classified as a Special Protection Area. It is home to a wide variety of habitats and more than 250 bird species. It remains a popular birdwatching site for birdwatchers and nature lovers.
1
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Splendid little walk. Easy and marked paths. Beautiful views of the wildlife.
1
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When in Bernissart, a visit to the Iguanodon Museum is a must! This cool museum clearly explains how the dinosaurs were discovered and how they found their way to the museum. Follow the dinosaur footprints and let them take you along in their story! 🦕
2
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Dozens of dinosaur skeletons were found in a coal mine in Bernissart. Small interesting museum
0
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Ornithological nature reserve, with magnificent species. Several observation points set up for bird watching. accessible to PMR.
3
0
Brilliant, great passage between 2 lakes
1
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The Marais D'Harchies-Hensies-Pommerœul area offers a wide selection of easy hiking trails, with over 150 routes specifically categorized as easy, making them ideal for families. In total, there are nearly 400 hiking routes to explore.
Families can expect mostly flat paths through extensive wetlands and marshlands, which are characteristic of the region. Some routes might also feature unique landscapes shaped by historical mining, such as dry mine heaps (terrils), offering varied environments. The trails are generally accessible and well-maintained.
Yes, there are several excellent circular routes perfect for families. For example, the Hunting Avenue – Les Catillons loop from Bernissart is an easy 6.5 km trail that takes about 1 hour 40 minutes, offering flat paths through the marshland. Another great option is the Les Catillons – Hunting Avenue loop from Pommerœul, an easy 6.1 km path with beautiful wetland views.
Families can discover a rich natural environment. The area is known for its extensive wetlands, reed beds, and diverse birdlife, making it a fantastic spot for nature observation. You can explore the Marais d'Harchies-Hensies-Pommerœul Nature Reserve, observe the unique Harchies-Hensies-Pommerœul Marsh, and even see the historic Harchies-Pommeroeul Lock Complex, the last of its kind in Belgium.
Many of the easy trails in Marais D'Harchies-Hensies-Pommerœul are suitable for strollers, especially those with robust wheels, as they feature flat and well-maintained paths through the marshland. These gentle routes are also ideal for young children who are just starting to hike, offering an accessible way to enjoy nature.
Generally, dogs are welcome on many trails in the Marais D'Harchies-Hensies-Pommerœul area, but it's important to keep them on a leash, especially within the nature reserve, to protect the abundant wildlife. Always check local signage for specific restrictions on certain paths or protected areas.
Spring and autumn are particularly rewarding for families. In spring, the wetlands burst with new life and migratory birds, while autumn offers beautiful colors and comfortable hiking temperatures. Summer is also pleasant, but remember to bring sun protection and water. Winter walks can be serene, but some paths might be muddy.
Parking is generally available near the main access points to the trails, particularly in and around the villages of Harchies, Bernissart, and Pommerœul. Specific parking information can often be found on individual route descriptions or local visitor information boards.
While the area is best accessed by car, some public transport options might connect to nearby towns. For detailed information on bus routes or train connections to the closest villages like Harchies, Bernissart, or Pommerœul, it's advisable to check regional public transport websites.
The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the tranquil atmosphere, the unique wetland scenery, and the abundance of birdlife. Many highlight the flat, easy paths as perfect for a relaxed family outing, allowing everyone to enjoy nature without strenuous climbs.
Yes, the Regional Center for Environmental Initiation (CRIE) in Harchies offers guided visits. These can be a fantastic way for families to learn more about the local nature, biodiversity, and the unique ecosystem of the Marais D'Harchies-Hensies-Pommerœul. You can find more information about their offerings on their website: CRIE d'Harchies.


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