Natural monuments around Hersin-Coupigny offer a diverse landscape shaped by both natural processes and historical industrial activity. The region features significant ecological areas and unique geological formations, including former mining landscapes that have been reclaimed by nature. These sites provide opportunities to explore local ecosystems and appreciate the area's natural heritage.
Last updated: June 21, 2026
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Beautiful panoramic view of Lens and the surrounding area. Be careful when you climb onto the spoil heap during a storm, it's a real hair-raiser!
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it's written like that on the sign
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legend of the fairies who dance around the dolmen
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This site is part of the unknown treasures of the Land of Artois. The various megalithic sites are good for a beautiful walk, among mysteries and legends, history and extraordinary landscapes
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This lake is an old quarry with a depth of 3 to 11 meters and an area of 2 hectares. Here you can fish for carp, trout, pike and other species, or simply relax on the shore and admire the view.
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Don't miss the Loos-en-Gohelle slag heap, an astonishing and unusual spectacle. There are five hills made of coal waste, and this one is the highest, reaching 146 meters, the highest in Europe! Hike to the top and admire the views. You can see how nature has transformed the hills with plants, animals and even grapes. Take the opportunity to learn about this UNESCO World Heritage site and discover its rich history and culture at Base 11/19.
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A must see if you are in the area.
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More than 4000 years old, is the sole survivor of a gigantic megalithic complex, unfortunately dismantled in the 19th century. Originally, this set was made up of: – 4 dolmens, arranged in a diamond shape, linked together by avenues of raised stones and thus forming a sacred enclosure; – 2 galgals (the 1st 26 m long by 1.60 m high, the 2nd 50 m long by 2 m high) which delimited the whole to the North-West. https://www.fresnicourtledolmen.fr/le-dolmen/
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The natural monuments around Hersin-Coupigny offer a unique blend of reclaimed industrial landscapes and ecological areas. You'll find significant former mining sites, known as slag heaps or "terrils," that have been transformed into natural zones, alongside ecological parks and leisure bases. These sites provide opportunities to explore local ecosystems and appreciate the area's natural heritage, shaped by both human activity and natural reclamation.
Yes, the region features significant historical sites. For instance, the Passage dolmen: The Fairy Table is an archaeological site more than 4000 years old. It's the sole survivor of a large megalithic complex, offering insights into ancient history and local legends. The former mining landscapes themselves, like the Loos-en-Gohelle slag heap, also hold historical significance as UNESCO World Heritage sites, showcasing the region's industrial past and its ecological rehabilitation.
Several natural monuments offer excellent panoramic views. The Loos-en-Gohelle slag heap, the highest coal waste hill in Europe at 146 meters, provides breathtaking views of Lens and the surrounding area from its summit. Similarly, Spoil heaps 74 and 74a and Terril 36 of Nœux-les-Mines also offer elevated viewpoints, with visitors praising the stunning vistas once at the top.
Absolutely. The Lac de Beugin is a family-friendly spot where you can relax by the water. Additionally, the Mont Coupigny Ecological Park is highlighted as an excellent site for children to discover ecological amenities and participate in seasonal activities and workshops focused on sensory discovery, the natural water cycle, insects, wetlands, and beekeeping. It's a great place for ecological education and family outings. You can find more information about activities at Mont Coupigny on the local tourism website: tourisme-bethune-bruay.fr.
Yes, the area around Hersin-Coupigny is well-suited for outdoor activities. Many of the natural monuments, especially the slag heaps, feature surrounding trails perfect for hiking. For cycling, you can explore routes like the "Olhain Castle – Chemin des chênes loop" or the "Old railway line – Lac de Beugin loop." There are also dedicated road cycling and running routes available. You can find more details on routes in the area in the Cycling around Hersin-Coupigny and Running Trails around Hersin-Coupigny guides.
The former mining landscapes, particularly the slag heaps (terrils), are significant because they represent a unique blend of industrial history and ecological reclamation. These man-made hills, once industrial waste, have been transformed over time into naturalized zones with diverse flora and fauna. They offer a powerful testament to the region's past while providing valuable green spaces and habitats today, making them a key part of the remarkable mining landscape ensemble.
Yes, Spoil heaps 74 and 74a are particularly popular among mountain bikers. They are described as a "great playground" with beautiful climbs and single tracks around the slag heaps, offering an exciting challenge for riders.
For tranquil green spaces, the Lac de Beugin offers a peaceful setting to relax by the water. Additionally, the Base de Loisirs de l'ex-fosse n°2 dite "Dupont" and Parc Germinal provide verdant environments for leisurely strolls and enjoying nature, serving as essential green lungs in the area.
The Lac de Beugin is an excellent spot for fishing. This former quarry, with depths ranging from 3 to 11 meters, is home to carp, trout, pike, and other species, making it a popular destination for anglers.
The reclaimed mining landscapes and ecological parks are becoming havens for local wildlife. While specific species aren't always highlighted, the transformation of slag heaps into naturalized zones means you can observe how nature has re-established itself with various plants and animals. Ecological parks like Mont Coupigny also focus on local ecosystems, suggesting opportunities to see insects, birds, and other small creatures that thrive in these rewilded environments.
Yes, if you're looking for a challenge, the climbs up the slag heaps can be quite demanding. For example, the Spoil heaps 74 and 74a are known for their challenging climbs. The Terril 36 of Nœux-les-Mines also features a final steep section that is best done on foot, offering a good workout with a rewarding view.
Visitors frequently praise the unique panoramic views from the top of the slag heaps, describing them as breathtaking and astonishing. The transformation of industrial sites into natural areas is also a point of fascination, showcasing how nature reclaims landscapes. The historical significance of sites like the dolmen and the rich history of the mining basin also resonate with visitors, offering a blend of natural beauty and cultural heritage.


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