Best natural monuments around Auchel offer diverse landscapes for exploration. The region, situated in the Pas-de-Calais department of northern France, features a mix of redeveloped industrial sites and natural areas. These include former mining landscapes transformed into green spaces and natural lakes. Visitors can find various natural features that provide opportunities for outdoor activities.
Last updated: August 14, 2026
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Former site of Fosse 14 - Stabilized path.
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Also known as "terril de la cuisse maraine" (the slag heap of the thigh maraine), a slag heap where nature has reclaimed its rights, dotted with small paths.
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Located on the edge of the Artois hills, this slag heap dates back to 1855. It is surrounded by the Saint-Pierre woods. Ancient steps provide access to its summit.
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Carreau Valley redeveloped to highlight the mining heritage. The paths that were once dirt are now gravel, ideal for walking or cycling. Don't hesitate to go up to the terriloscope. By putting your eye at the level of the holes provided for this purpose you will see what the height of the slag heaps was in their heyday. This allows you to see the effects of time.
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when the weather is nice
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it's definitely worth the climb up
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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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The natural monuments around Auchel are largely shaped by the region's mining history, offering a unique blend of industrial heritage and natural reclamation. You'll find redeveloped mining slag heaps (terrils) that have been transformed into green spaces, as well as natural lakes formed from old quarries. These sites provide opportunities to witness nature reasserting itself on former industrial landscapes.
Yes, several natural monuments offer excellent panoramic views. For instance, the View of the Terrils du Pays à Part provides a super panorama after a short climb. Another notable spot is the Spoil tip in Saint-Pierre Wood, which offers views from its summit, accessible via ancient steps.
For families, Vallée Carreau Park is an excellent choice. It's a redeveloped historical site with gravel paths ideal for walking or cycling, and children can explore the terriloscope to understand the former height of the slag heaps. Lac de Beugin is also family-friendly, offering a peaceful spot for relaxation by the water.
The area around Auchel provides various outdoor activities. You can enjoy hiking on trails that wind through reclaimed industrial sites and natural areas. There are also opportunities for gravel biking and road cycling on routes that explore the local landscape. For more detailed routes, check out the hiking guide, gravel biking guide, and road cycling guide for Auchel.
Yes, you'll find trails suitable for different fitness levels. For example, the View of the Terrils du Pays à Part involves an intermediate 10-minute climb to the top, while Terril de Fouqureuil also features intermediate paths where nature has reclaimed the slag heap. Many redeveloped sites like Vallée Carreau Park offer easier, stabilized gravel paths for a more leisurely walk or cycle.
The natural monuments around Auchel can be enjoyed throughout the year. Spring and autumn offer pleasant temperatures and beautiful scenery, with changing foliage in the wooded areas. Summer is ideal for outdoor activities, while winter can provide a unique, tranquil experience, especially on the terrils, though some paths might be muddy. Always check local weather conditions before your visit.
The natural monuments around Auchel are deeply rooted in the region's coal mining history. Many sites, such as the terrils (slag heaps) like Terril de Fouqureuil and the Spoil tip in Saint-Pierre Wood, are man-made hills formed from mining waste. Over time, nature has reclaimed these sites, transforming them into unique ecosystems. Lakes like Lac de Beugin are often former quarries, showcasing how human activity has shaped the landscape, which then undergoes natural restoration.
Visitors particularly appreciate the blend of industrial history and natural beauty. Many enjoy the panoramic views from the terrils, such as the 'super panorama' from the View of the Terrils du Pays à Part. The transformation of former mining sites into green spaces, like Vallée Carreau Park, is also highly valued for its historical insight and recreational opportunities. The peaceful atmosphere and fishing opportunities at Lac de Beugin are also popular.
Absolutely. Vallée Carreau Park is a prime example. This redeveloped site highlights the mining heritage, with gravel paths for exploration and a terriloscope that illustrates the original height of the slag heaps. It's a testament to the region's past and the restorative power of nature.
Yes, Lac de Beugin is a significant natural lake in the area. This former quarry has a depth of 3 to 11 meters and covers an area of 2 hectares. It's a popular spot for fishing carp, trout, and pike, or simply for relaxing on the shore and enjoying the view.
The 'terrils' are former slag heaps from the coal mines, which are a defining feature of the Auchel landscape. These man-made hills, like Terril de Fouqureuil, have been reclaimed by nature, transforming industrial remnants into unique natural monuments. They offer panoramic views and serve as living testaments to the region's rich mining history and ecological resilience.


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