Best natural monuments around Wallers include 3 distinct natural features. The region is characterized by its unique post-industrial landscape, featuring former mining sites transformed into natural areas. These locations offer opportunities to explore green spaces and observe local flora and fauna. Visitors can discover a blend of historical significance and natural beauty.
Last updated: July 2, 2026
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Beautiful route in summer and panoramic view and quite a bit of elevation gain
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You can enjoy this site composed of several natural and artificial ponds. It is a rich natural environment with a birch forest. There are many rare plant species and the European nightjar frequents the site during the nesting period.
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You can enjoy this site composed of several natural and artificial ponds. It is a rich natural environment with a birch forest. There are many rare plant species and the European nightjar frequents the site during the nesting period.
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Very mobile with magnificent view of the gorial pond
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Wide view! In the distance you can see the tower of Saint-Amand-les-Eaux.
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The Goriaux pond (former pig pond as its dialect name indicates) is a mining subsidence pond in the North, in France, and a national biological reserve since 1982. A very significant mining subsidence created three ponds in 1916, which ended up joining around 1930 to form a single pond, located at the foot of slag heap no. 171, Mare à Goriaux, partly recolonized by vegetation. The site of the body of water and the slag heap of the pond in Goriaux is part of the Raismes-Saint-Amand-Wallers national forest.
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Nice spot, possibility to land, soak your feet in the water. Not far from the Arenberg gap. Accessible slag heap along the Mate in Goriaux which gives a view from above. Be careful, very narrow and sloping path if you want to go along the pond on the slag side.
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fairly steep climb but not too high (40m D +)
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The natural monuments around Wallers are unique, characterized by a transformed post-industrial landscape. You'll discover former mining sites, known as slag heaps or "terril," which have been reclaimed by nature, alongside subsidence ponds. These areas offer a blend of historical significance and natural beauty, providing diverse settings for exploration and various viewpoints.
Yes, Goriaux Pond is considered family-friendly. It's a mining subsidence pond and a national biological reserve where you can enjoy a nice spot to relax and even soak your feet in the water. There's also an accessible slag heap nearby that offers a view from above.
Many natural monuments around Wallers offer impressive panoramic views. For instance, View from Terril Sabatier Nord provides a wide vista where you can even spot distant landmarks like the tower of Saint-Amand-les-Eaux. Similarly, Terril des Argales offers unobstructed views of the region from its promontories.
Yes, you can. Goriaux Pond is a national biological reserve, making it an excellent spot for observing local flora and fauna. Additionally, Terril des Argales is laid out around a pond that serves as an ornithological reserve, perfect for birdwatching.
Absolutely. The region offers numerous hiking opportunities. You can find various trails, including loop routes, that take you through these unique landscapes. For detailed routes and difficulty levels, explore the Hiking around Wallers guide.
The trails vary in difficulty. While some areas like Goriaux Pond have accessible paths, others like Terril des Argales, Terril 125 of Sainte-Marie, Terril de Roeulx, and View from Terril Sabatier Nord are generally rated as intermediate due to steeper sections or uneven terrain. For example, Terril de Roeulx involves a fairly steep but not very high climb.
Yes, some natural monuments and nearby areas are suitable for cycling and mountain biking. For instance, a small part of Terril 125 of Sainte-Marie is accessible by bicycle, though you might encounter some rocks. Terril de Roeulx also features schist tracks accessible by mountain bike and gravel bike. You can find more cycling routes in the Cycling around Wallers guide and Gravel biking around Wallers guide.
Visitors particularly appreciate the unique landscapes, the panoramic views from the slag heaps, and the tranquility of the natural reserves. Many enjoy the opportunity to explore the transformed mining sites and experience the blend of industrial heritage with natural beauty. The chance to observe wildlife, especially birds, at locations like Terril des Argales and Goriaux Pond, is also a highlight.
When visiting Goriaux Pond, you'll find a pleasant spot to relax and even dip your feet in the water. There's an accessible slag heap nearby offering great views. Be aware that if you choose to walk along the pond on the slag side, the path can be quite narrow and sloping.
Terril des Argales offers a beautiful layout around an ornithological reserve pond, with the slag heap providing unobstructed regional views. It's an intermediate climb. A unique aspect to be aware of is that, due to internal combustion, gases and smoke can occasionally escape from the slag heap.
Yes, many of the slag heaps, or "terril," offer summit access for enhanced views. For example, you can reach the top of Terril de Roeulx, which, despite not being very high, provides a panoramic view of the surroundings. Similarly, View from Terril Sabatier Nord is a viewpoint at a summit offering a wide vista.
Terril 125 of Sainte-Marie is partially accessible by bicycle, though you might encounter some rocks. The entrance on the Bruille lez Marchiennes side has been blocked to prevent motor vehicles, so you may need to navigate some rocks if approaching from that direction.


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