Best natural monuments around Marquette-En-Ostrevant showcase a landscape shaped by both natural features and historical industrial activity. The region, located in the Nord department of France, offers unique natural areas, including former mining spoil heaps that have been reclaimed by nature, alongside marshlands. These sites provide opportunities for outdoor exploration and offer distinct viewpoints of the surrounding area.
Last updated: July 2, 2026
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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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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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fairly steep climb but not too high (40m D +)
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Heap and nice natural area with schist tracks. Accessible by mountain bike and gravel. Possibility of reaching the top, which is not very high, but which allows to have a panoramic view of the surroundings.
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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 Marquette-En-Ostrevant are unique, often featuring reclaimed mining spoil heaps and marshlands. These sites, shaped by both industrial history and natural processes, offer distinct landscapes and opportunities for outdoor exploration. You'll find areas like Terril des Argales with its ornithological reserve, and Terril de Roeulx offering panoramic views from its summit.
Yes, several natural monuments are suitable for families. The Germignies Marsh and Spoil Heap is a great option, featuring multiple ponds and a birch forest, offering a rich natural environment to explore. Additionally, 'the stone that grows' is listed as a family-friendly historical site within a natural setting.
For impressive views, consider visiting Terril des Argales, which provides different promontories with unobstructed views of the region. Another excellent choice is Terril de Roeulx, where reaching the top offers a panoramic perspective of the surroundings.
Absolutely. The Terril des Argales features a pond that serves as an ornithological reserve, making it ideal for birdwatching. The Germignies Marsh and Spoil Heap is also a rich natural environment known for rare plant species and is frequented by the European nightjar during its nesting period.
Beyond the reclaimed spoil heaps, you can discover 'the stone that grows,' a menhir listed as a historical monument. This block of Landenian sandstone is steeped in local history and tradition, with stories suggesting it continues to grow. It's a magical place, sheltered in a small clearing.
Yes, cycling is possible in some areas. Terril de Roeulx features schist tracks accessible by mountain bike and gravel. A small part of Terril 125 of Sainte-Marie is also accessible by bicycle, though you might encounter some rocks.
The region offers a variety of outdoor activities. You can find numerous running trails, such as the 'Étang du Grand Clair loop,' or explore road cycling routes like 'The Féchain Polishing Stone loop.' For mountain biking, options include the 'Étang des Argales – The Erchin Cave loop.' You can find more details on these activities in the dedicated guides for Running Trails, Road Cycling Routes, and MTB Trails around Marquette-En-Ostrevant.
Visitors particularly appreciate the unique blend of industrial heritage and natural reclamation. The diverse landscapes, from the ornithological reserve at Terril des Argales to the panoramic views from Terril de Roeulx, are highly rated. The komoot community has shared over 30 photos and given more than 20 upvotes, highlighting the appeal of these distinct natural areas.
When visiting spoil heaps like Terril des Argales, it's important to be aware that due to internal combustion, gases and smoke can occasionally escape. Always exercise caution and follow any local signage or warnings.
Many of the natural monuments, such as Terril des Argales, Terril de Roeulx, and Terril 125 of Sainte-Marie, are classified as intermediate difficulty, often involving moderate climbs or varied terrain. While some parts may be accessible by bike, be prepared for schist tracks or rocky sections. The 'stone that grows' and Germignies Marsh and Spoil Heap are generally more family-friendly and offer easier exploration.
The natural monuments can be enjoyed throughout the year, but spring and autumn often offer pleasant temperatures for outdoor activities and vibrant natural scenery. Spring brings blooming flora, while autumn showcases beautiful foliage. Summer is also suitable, though it can be warmer, and winter offers a different, often quieter, experience.


Extend your search for the best caves by checking out these guides of the top ones around Marquette-En-Ostrevant: