Best natural monuments around Billy-Berclau include unique landscapes shaped by both nature and historical industry. The area features reclaimed industrial sites, such as slag heaps, which now offer natural areas near Billy-Berclau for outdoor activities. These formations provide elevated viewpoints and diverse ecosystems, making them notable features of the local terrain. Visitors can explore various walking trails around Billy-Berclau that traverse these distinctive natural monuments.
Last updated: June 20, 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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The Tilleul de Joncquoy is a historic lime tree in Aubers. This tree was planted in 1490 and is an important landmark in the region. Despite the many wars and changes in the landscape, this tree has survived for more than five centuries.
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Be careful on a narrow path, in some places a slippery plastic coating covers part of the path
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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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Lime tree dating from the 15th century
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Beautiful view of the mining basin and the hills of Artois on a clear day. Trail training heap.
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Beautiful slag heap accessible to the most athletic 3 switchbacks without a plateau to reach the top and admire the beautiful view of the Harnesien and the Carvinois and other summits of the slag heaps that surround it.
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The natural monuments around Billy-Berclau are unique, often shaped by both nature and historical industry. You'll primarily find reclaimed industrial sites, such as slag heaps, which have been rewilded and now offer elevated viewpoints and diverse ecosystems. There are also historic natural features like ancient trees.
Yes, the Loos-en-Gohelle slag heap is recognized as a UNESCO World Heritage site. It is the highest coal waste hill in Europe, reaching 146 meters, and offers panoramic views.
For expansive vistas, the Loos-en-Gohelle slag heap provides panoramic views from its 146-meter summit. Additionally, the View of the mining basin and the hills of Artois, a 60-meter high viewpoint, offers a clear perspective of the surrounding landscape.
Yes, the Tilleul de Joncquoy, a historic lime tree planted in 1490, is considered family-friendly. It's an important landmark with a rich history that has survived for centuries.
Yes, the View of the mining basin and the hills of Artois is a dog-friendly natural monument, offering trails suitable for walks with your pet.
The area around Billy-Berclau offers various outdoor activities. You can find numerous routes for running, cycling, and gravel biking. The slag heaps, like Spoil heaps 74 and 74a, are particularly popular for mountain biking with their climbs and single trails.
Yes, for those seeking a challenge, Spoil heaps 74 and 74a offer climbs and single trails ideal for mountain bikers. The Terril Estevelles is also accessible to the more athletic, featuring three switchbacks to reach the top and admire the view.
While specific conditions vary, spring and autumn generally offer pleasant temperatures for exploring the trails and enjoying the views. Winter visits are possible, but be aware that paths on slag heaps can be slippery, especially after rain or frost.
Yes, the Tilleul de Joncquoy is a significant historical natural monument. This ancient lime tree, planted in 1490, has stood for over five centuries and is a notable landmark in Aubers.
Visitors frequently highlight the unique experience of exploring the reclaimed slag heaps, appreciating the panoramic views from their summits, and the transformation of industrial landscapes into natural areas. The opportunity for activities like mountain biking and hiking on these distinctive formations is also highly valued.
When visiting slag heaps like Loos-en-Gohelle, be prepared for climbs to reach the top. Some paths, such as on Terril Estevelles, can be narrow and slippery in places, so appropriate footwear is recommended. Always be mindful of weather conditions, especially during storms.


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