Natural monuments around Hulluch are characterized by their unique landscape, shaped by former industrial activity. The area features several re-naturalized slag heaps, which are artificial hills formed from mining waste. These sites have evolved into distinct natural areas, offering elevated viewpoints and diverse ecosystems. The region provides opportunities to explore these transformed landscapes, which are now recognized for their ecological and historical significance.
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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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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Beautiful view of the mining basin and the hills of Artois on a clear day. Trail training heap.
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Nice view on the heights of Noeux and in particular on the ski slope
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Terril 36 de Noeux les mines with a beautiful view of the ski slope. The last part of the slag heap will be done on foot by the sliers
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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 Hulluch are unique because they are largely shaped by the region's industrial past. These are primarily re-naturalized slag heaps, which are artificial hills formed from mining waste. They have undergone ecological succession, transforming into distinct natural areas that offer elevated viewpoints and diverse ecosystems, blending historical significance with renewed biodiversity.
Among the most notable natural monuments, you should visit the Loos-en-Gohelle slag heap, which is the highest of five coal waste hills in the area, reaching 146 meters and recognized as a UNESCO World Heritage site. Another excellent choice is Spoil heaps 74 and 74a, known for its challenging climb and breathtaking panoramic views.
From the elevated positions of these natural monuments, you can expect clear, panoramic views of the surrounding mining basin and the hills of Artois. For instance, the View of the mining basin and the hills of Artois offers expansive vistas on a clear day, while the Terril 36 of Nœux-les-Mines provides a unique perspective, including views of the local ski slope.
Yes, the Loos-en-Gohelle slag heap is recognized as a UNESCO World Heritage site. It offers not only stunning views but also an opportunity to learn about the rich history and culture of the region at Base 11/19.
The natural monuments near Hulluch offer various outdoor activities. You can enjoy hiking to the summits for panoramic views, mountain biking on sites like Spoil heaps 74 and 74a, and even trail training on heaps such as the View of the mining basin and the hills of Artois.
Absolutely. The re-naturalized slag heaps provide excellent opportunities for hiking. You can find detailed routes and guides, such as the "Hiking around Hulluch" guide, which includes trails like "The 11/19 pit – Spoil heaps 74 and 74a loop from Loos-en-Gohelle." Explore more options at Hiking around Hulluch.
Yes, the area around Hulluch is suitable for cycling. You can explore various routes for both road cycling and gravel biking. For instance, the "Road Cycling Routes around Hulluch" guide features routes like "Béthune – Waterfall of Nave river in Bourecq loop." For off-road adventures, check out the "Gravel biking around Hulluch" guide. Find more cycling routes here: Road Cycling Routes around Hulluch and Gravel biking around Hulluch.
Many of the natural monuments offer experiences suitable for families. While some climbs can be athletic, sites like the View of the mining basin and the hills of Artois are noted as dog-friendly, suggesting a generally accessible environment for walks. It's advisable to check specific highlight details for difficulty levels.
The natural monuments can be visited year-round, but spring and autumn often offer the most pleasant weather for hiking and enjoying the views, with vibrant flora or colorful foliage. Summer provides longer daylight hours, while winter can offer a unique, stark beauty, though paths might be slippery.
While not a hidden gem in the traditional sense, the Terril Estevelles offers an athletic climb with three switchbacks to reach the top, rewarding visitors with beautiful views of the Harnesien and Carvinois regions, and other surrounding slag heaps. It's a great option for those looking for a more challenging ascent.
Yes, some natural monuments are dog-friendly. For example, the View of the mining basin and the hills of Artois is explicitly mentioned as a dog-friendly trail. Always ensure your dog is on a leash and you clean up after them to preserve the natural environment.


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