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France
Hauts-De-France
Lens

Fouquières-Lès-Lens

Top 6 Natural Monuments around Fouquières-Lès-Lens

Natural monuments near Fouquières-Lès-Lens are characterized by the region's industrial heritage, with former mining sites transformed into natural spaces. These areas offer diverse landscapes and recreational opportunities, showcasing ecological rehabilitation efforts. The unique natural attractions include artificial hills formed from mining waste, known as slag heaps, which have been naturally re-vegetated. These sites provide opportunities for hiking and nature observation within a transformed landscape.

Best natural monuments around Fouquières-Lès-Lens

  • The most popular natural monuments is Loos-en-Gohelle slag heap, a…

Last updated: May 24, 2026

Ostricourt slag heap

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Small slag heap (n ° 120 said Fosse 6 d'Oignies Nord) with a few bumps to have fun at the start, then a long single around the Ostricourt karting. A …

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Vimy Foundation Centennial Park

Highlight (Segment) • Historical Site

Vimy Foundation Centennial Park

Vimy Foundation Centennial Park offers visitors a unique and reflective space to reflect on the horrors that occurred on these lands during the Great War, contrasting …

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Loos-en-Gohelle slag heap

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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 …

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Ladder Tree

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Remarkable century-old oak, having participated in the history of the First World War.
It is easily accessible by bicycle.
Which is not the path that goes deep into the forest.

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Spoil heaps 74 and 74a

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Great place, nice climb and a breathtaking view once at the top !!

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Tips from the Community

rustang75
October 19, 2025, Terril de Loos-en-Gohelle

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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Vimy Foundation Centennial Park Vimy Foundation Centennial Park offers visitors a unique and reflective space to reflect on the horrors that occurred on these lands during the Great War, contrasting with the solemnity and grace of the adjacent Canadian National Memorial. The main attraction of the four-acre park is 100 Vimy Oak trees, grown from acorns collected on the battlefield in 1917, along with the Borden bugle, the Centennial Flagpole, and 360-degree memorial views of the First World War battlefield. One hundred years after the war, the Park ensures that we never forget the sacrifice of all those who served our country. The Vimy Foundation The Vimy Foundation is a national charitable organization whose mission is to preserve and promote Canada's legacy of the First World War, symbolized by the victory at Vimy Ridge in April 1917. This momentous event is widely considered a pivotal moment in our history, Canada's first steps onto the world stage. Through youth education programs, awareness campaigns, and legacy projects, including the new Vimy Visitor and Education Centre and Centennial Park, the Vimy Foundation provides Canadians with opportunities to learn how the First World War transformed our nation. Vimy Oaks The park's oak trees are directly descended from acorns collected on the Vimy Ridge battlefield by a Canadian soldier, Lieutenant Leslie Miller of Scarborough, Ontario, and later planted on his farm in Canada, which he named The Vimy Oaks. A number of these majestic oaks are still alive today in Canada, while virtually none of the Vimy Ridge oaks survived the First World War. The Vimy Oaks Legacy Society, a Canadian non-profit volunteer association, was created to repatriate young Vimy oaks descended from acorns collected after the battle. Volunteers landscaped and planted these repatriated Vimy oaks, which now stand guard in this park adjacent to the Canadian National Vimy Memorial.

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This oak, 200 to 300 years old, would have been used by the German army during the First World War as an observation post. The panel states: "The soldiers could thus observe the artillery and enemy movements. We can still observe some of the iron bars which would have been inserted into the trunk in order to constitute a ladder. The tree having continued to grow, the majority of the bars have been absorbed by the bark."

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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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Max
March 26, 2023, Arbre à Échelles

Remarkable century-old oak, having participated in the history of the First World War. It is easily accessible by bicycle. Which is not the path that goes deep into the forest.

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Difficult to drive on the site at this time because of the "luxuriant" vegetation. Access to the karting level is blocked by padlocked gates.

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Great playground for mountain bikers! Beautiful climbs and single around the slag heaps!

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Small slag heap (n ° 120 said Fosse 6 d'Oignies Nord) with a few bumps to have fun at the start, then a long single around the Ostricourt karting. A nice climb will be waiting for you in the middle, followed by a very steep descent to be taken with care! At the exit, a small single in height will be accessible before reaching the main road (which will lead you to the Oignies slag heap or to the pleasant Bois de l'Emolière). Watch out for the brambles just after the bumps and 2 footbridges that provide access to the place. The first is narrow but passable by mountain bike, but the second just before the slag heap has been reduced and therefore almost impossible to pass by bike. So pay attention to this place so as not to fall into the ditch ...

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Frequently Asked Questions

What are the most popular natural monuments around Fouquières-Lès-Lens?

The region's natural monuments are primarily its unique slag heaps, remnants of the mining past, now reclaimed by nature. Among the most popular are the Loos-en-Gohelle slag heap, which is the highest in Europe, offering panoramic views. Visitors also highly rate Spoil heaps 74 and 74a for their challenging terrain and views, and the Ostricourt slag heap, known for its varied trails.

What unique natural features can I expect to see?

The natural monuments around Fouquières-Lès-Lens are characterized by the 'terrils' or slag heaps, which are artificial hills formed from mining waste. These have been naturally re-vegetated, creating unique ecological environments. You can also find diverse woodlands like the Bois de l'Offlarde, with ponds and varied flora and fauna, and transformed industrial sites like Parc des Îles, which features intimate islets and meadows.

Are there any historical natural monuments in the area?

Yes, the region's natural monuments are deeply intertwined with its industrial and wartime history. The slag heaps themselves are historical landmarks, showcasing the transformation of mining landscapes. Additionally, the Vimy Foundation Centennial Park, while a natural space, is a profound historical site commemorating the First World War, featuring 100 Vimy Oak trees grown from acorns collected on the battlefield. The Ladder Tree, an ancient oak, also bears witness to its use as an observation post during the war.

What outdoor activities can I do near these natural monuments?

The natural monuments offer a variety of outdoor activities. You can enjoy hiking, trail running, and Nordic walking on the signposted trails across the terrils. Mountain biking is particularly popular on sites like Spoil heaps 74 and 74a and the Ostricourt slag heap. The Parc des Îles is excellent for cycling, kite flying, and nature walks. For more specific routes, explore the MTB Trails around Fouquières-Lès-Lens, Cycling around Fouquières-Lès-Lens, and Gravel biking around Fouquières-Lès-Lens guides.

Are there family-friendly natural monuments around Fouquières-Lès-Lens?

Absolutely! The Vimy Foundation Centennial Park is designed to be a reflective and educational space suitable for families. The Parc des Îles, near Hénin-Beaumont, is also ideal for family outings, offering various play areas and diverse landscapes for gentle walks. The Bois de l'Offlarde provides pleasant, easy walks to observe wildlife. Many of the re-vegetated slag heaps also have accessible trails suitable for families.

What is the best time of year to visit the natural monuments?

Spring and autumn are generally ideal for visiting, as the weather is mild and the landscapes are vibrant with new growth or autumnal colors. Summer offers longer daylight hours for exploration, though some trails on the slag heaps might experience dense vegetation. Winter walks can be beautiful, especially after a fresh snowfall, but ensure you wear appropriate gear for potentially muddy or slippery conditions.

Where can I find parking for these natural monuments?

Parking availability varies by site. For the Terrils du Marais de Fouquières and Parc des Îles, dedicated parking areas are typically available. For specific slag heaps like Loos-en-Gohelle, parking is usually found near the base or visitor centers. It's advisable to check local signage upon arrival, as some smaller access points might have limited parking.

How long does it take to visit the natural monuments?

The duration of your visit depends on the monument and your activity. A quick hike to the summit of a slag heap like Loos-en-Gohelle for panoramic views might take 1-2 hours. Exploring the Bois de l'Offlarde or Parc des Îles with a leisurely walk and enjoying the scenery could take 2-4 hours. If you plan to combine multiple sites or engage in longer cycling or mountain biking routes, you could easily spend a full day.

Are there cafes or restaurants near the natural monuments?

While some natural monuments are primarily natural spaces, you can often find cafes and restaurants in the nearby towns and villages. For example, areas around the Terrils du Marais de Fouquières and Parc des Îles are typically close to amenities in Fouquières-Lès-Lens, Hénin-Beaumont, or Lens. It's a good idea to pack snacks and water, especially for longer excursions, and plan your meals in the surrounding communities.

What makes the Terrils (slag heaps) of Fouquières-Lès-Lens so unique?

The Terrils are unique because they are direct remnants of the region's extensive mining past, transformed into vibrant natural spaces. They offer a 'volcanic' appearance with distinct geological features like black and red shale, and some even experience combustion, creating fumeroles. These sites provide unique ecological environments, panoramic views, and a blend of industrial heritage with revitalized green spaces, making them significant examples of ecological restoration.

Can I access these natural monuments using public transport?

Public transport access varies. Major towns like Lens, which is well-connected, can serve as a hub. From there, local bus services might reach some of the more accessible natural sites or their vicinity. However, for many of the slag heaps and more remote natural areas, driving or cycling might be the most convenient options. It's recommended to check local bus schedules for specific destinations.

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Extend your search for the best caves by checking out these guides of the top ones around Fouquières-Lès-Lens:

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