Best natural monuments around Gosnay include a mix of historical sites and reclaimed natural landscapes. The region, situated in Pas-de-Calais, features diverse terrain from the Artois hills to former mining areas. Visitors can explore unique natural features that blend industrial heritage with rewilded environments. This area offers opportunities to discover both ancient megalithic structures and transformed slag heaps.
Last updated: June 21, 2026
Highlight • Historical Site
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Highlight • Lake
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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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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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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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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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A must see if you are in the area.
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The region around Gosnay offers a unique blend of natural and re-naturalized landscapes. You can discover ancient megalithic structures like Passage dolmen: The Fairy Table, tranquil lakes formed from old quarries such as Lac de Beugin, and reclaimed industrial sites like Vallée Carreau Park and various 'terrils' (slag heaps) that have been reforested and transformed into green spaces.
Yes, several natural monuments provide excellent viewpoints. The Vallée Carreau Park features a terriloscope that allows you to visualize the former height of the slag heaps and offers views of the redeveloped mining heritage. Additionally, the Belvedere at Olhain Park, though not listed as a highlight, is the highest point in Pas-de-Calais and provides breathtaking panoramic views of the Artois hills and former mining basin.
For families, Vallée Carreau Park is an excellent choice, offering stabilized gravel paths ideal for walking or cycling. Lac de Beugin is also family-friendly, providing a peaceful setting for relaxation by the water. Olhain Park, near Gosnay, offers recreational activities like a slide and zip line, making it a fun destination for all ages.
Absolutely! The redeveloped sites like Vallée Carreau Park have gravel paths perfect for walking or cycling. The terrils, such as Terril de Fouqureuil and Terril 36 of Nœux-les-Mines, offer trails for hiking with varying difficulties. For more options, you can explore numerous hiking routes and cycling tours around Gosnay.
Yes, the region is rich in history. Passage dolmen: The Fairy Table is a megalithic complex over 4,000 years old, representing an ancient aspect of the region's heritage. Vallée Carreau Park is a former mining site redeveloped to highlight the area's industrial past, offering a unique blend of history and nature.
Spring and autumn are generally ideal for visiting the natural monuments around Gosnay. The weather is pleasant for outdoor activities like hiking and cycling, and the landscapes offer beautiful seasonal colors. Summer can also be enjoyable, especially around Lac de Beugin, but trails on the terrils might be warmer.
Many natural areas and trails around Gosnay, especially those on the reforested terrils like Terril de Fouqureuil, are generally dog-friendly. However, it's always recommended to keep dogs on a leash and check specific regulations for each site to ensure a pleasant visit for everyone.
Parking is typically available near the entrances of major sites like Vallée Carreau Park and Lac de Beugin. For terrils and trailheads, designated parking areas are often provided. It's advisable to check local signage upon arrival for specific parking instructions.
Sites like Vallée Carreau Park feature stabilized gravel paths, making them relatively easy to navigate for most visitors. Lac de Beugin also offers accessible areas along its shores for relaxation. While some terrils involve climbs, many have well-maintained trails suitable for a moderate walk.
The terrils, such as Terril de Fouqureuil and Terril Number 5 of Lapugnoy, are unique because they are former industrial slag heaps that have been reclaimed by nature. They offer elevated natural spaces with ecological value, providing habitats for diverse flora and fauna, and serve as reminders of the region's mining heritage while offering panoramic views of the surrounding countryside.
Yes, Lac de Beugin is a popular spot for fishing. This old quarry lake, with depths ranging from 3 to 11 meters, is home to various species including carp, trout, and pike. Visitors can enjoy fishing or simply relax on the tranquil shores.


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