Natural monuments around Loffre offer insights into the region's landscape, characterized by its historical marshlands and transformed industrial sites. While the commune of Loffre itself is a small village in the Nord department, the surrounding area features several notable landmarks and natural features. These include re-naturalized slag heaps, which are prominent elements of the local terrain, and preserved marsh areas. The landscape provides diverse opportunities for outdoor exploration and observing regional ecology.
Last updated: July 2, 2026
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beautiful mountain bike playground
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The menhir is located in the marsh of Aubigny-au-Bac, on a footpath leading to Brunémont. It is a block of Landenian sandstone 2.90 m high (including 1.48 m above ground) by 2.15 m wide and 0.70 m thick. It is said to have been sunk to about 2.40 m. Shaped like a horse's head, it is associated with a prehistoric megalith despite the absence of evidence.
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You can enjoy this site composed of several natural and artificial ponds. It is a rich natural environment with a birch forest. There are many rare plant species and the European nightjar frequents the site during the nesting period.
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You can enjoy this site composed of several natural and artificial ponds. It is a rich natural environment with a birch forest. There are many rare plant species and the European nightjar frequents the site during the nesting period.
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Mandatory and iconic stopover in the region
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Very beautiful monument of local history to discover during a walk in nature.
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It is a magical place, sheltered in a small clearing, which is accessed by a footbridge. Don't make (too much) noise ...
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Accessible by gravel if you follow the trail. Please note that the entrance on the Bruille lez Marchiennes side has been blocked off to prevent the passage of cars. it will be necessary to climb some rocks to pass.
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The natural monuments around Loffre primarily consist of re-naturalized slag heaps, which are former industrial sites transformed into green spaces, and preserved marsh areas. These sites offer unique ecological environments and often provide viewpoints over the surrounding landscape. Examples include Terril des Argales and Germignies Marsh and Spoil Heap.
Yes, you can visit the stone that grows, a menhir listed as a historical monument since 1979. This ancient stone is nestled in a small clearing and is part of the local history and folklore.
The slag heaps, such as Roost-Warendin Slag Heap 138, often feature varied terrain with numerous single tracks winding through birch trees. Some sections can include very steep climbs, offering a challenge for more athletic visitors, particularly mountain bikers.
Yes, several natural monuments are suitable for families. the stone that grows is a historical site that can be enjoyed during a walk in nature. The Germignies Marsh and Spoil Heap is also family-friendly, offering a rich natural environment with ponds and a birch forest to explore.
The area around Loffre offers various outdoor activities. You can find numerous trails for running, mountain biking, and road cycling. For example, there are several running trails around Loffre, including loops through Bois d'Erchin and Bois de Lewarde. Mountain biking enthusiasts can explore routes like the Argales Pond loop. You can find more details on these activities in the Running Trails around Loffre, MTB Trails around Loffre, and Road Cycling Routes around Loffre guides.
Many of the re-naturalized slag heaps offer excellent viewpoints. For instance, Terril des Argales features different promontories that provide unobstructed views of the region. Roost-Warendin Slag Heap 138 is also known as a viewpoint.
Yes, cycling is possible on some trails. Terril 125 of Sainte-Marie has a portion accessible by bicycle, though you might encounter some rocks. Mountain biking is particularly popular on the slag heaps, with sites like Roost-Warendin Slag Heap 138 offering a 'mountain bike playground' with numerous single tracks.
The natural monuments, especially the marshlands and re-naturalized sites, are rich in biodiversity. The pond at Terril des Argales is an ornithological reserve. The Germignies Marsh and Spoil Heap is a significant natural environment with rare plant species and is frequented by the European nightjar during nesting periods.
Visitors appreciate the unique blend of industrial heritage and re-naturalized landscapes. The varied terrain of the slag heaps provides opportunities for challenging hikes and mountain bike rides, while the marsh areas offer peaceful environments for nature observation. The unobstructed views from the promontories are also highly valued.
When visiting slag heaps like Terril des Argales, be aware that due to internal combustion, gases and smoke can occasionally escape. Always follow local signage and safety recommendations. For cycling on sites like Terril 125 of Sainte-Marie, be prepared for rocky sections.
While Loffre itself is a small village, the surrounding area includes natural features like the Germignies Marsh and Spoil Heap, which features a birch forest alongside its ponds. These re-naturalized sites serve as important green spaces and natural habitats.


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