Best natural monuments around Chemy are found in the Nord department of northern France. This region, characterized by a mix of natural and repurposed industrial landscapes, offers unique outdoor exploration opportunities. While Chemy itself is a small commune, the surrounding area features several natural monuments that provide insight into the local environment and history. These sites are often former industrial features that have been reclaimed by nature, offering distinct geological and ecological interest.
Last updated: July 2, 2026
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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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Be careful on a narrow path, in some places a slippery plastic coating covers part of the path
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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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Nice place typical of the North. Difficult in gravel in wet weather.
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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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Beautiful slag heap accessible to the most athletic 3 switchbacks without a plateau to reach the top and admire the beautiful view of the Harnesien and the Carvinois and other summits of the slag heaps that surround it.
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The natural monuments around Chemy are unique, often consisting of former industrial features like slag heaps that have been reclaimed by nature. These sites offer a mix of geological interest, challenging climbs, and serene natural settings, providing distinct outdoor exploration opportunities in the Nord department of northern France.
Yes, for a family-friendly experience, consider visiting the Rest area at Behnenwald. This spot features a pleasant lake and forest area, ideal for enjoying nature. Another option is the Ladder Tree, a remarkable century-old oak that is easily accessible by bicycle and holds historical significance from the First World War.
For those seeking outdoor activities, the Leforest slag heap is a highly popular choice, especially for mountain bikers and gravel cyclists, offering challenging climbs and panoramic views. The Ostricourt slag heap also provides varied terrain for exploration with both gentle and steep sections.
Many of the natural monuments, particularly the slag heaps, offer excellent viewpoints. From the summit of the Leforest slag heap, you can enjoy magnificent panoramic views of the surrounding area. Similarly, the Terril Estevelles provides a beautiful vista of the Harnesien and Carvinois regions, along with other nearby slag heaps.
Absolutely. The Leforest slag heap is known for its challenging climbs and a very steep, technical descent, making it a favorite for experienced mountain bikers and gravelists. The Ostricourt slag heap also features challenging sections, including a nice climb and a very steep descent that requires care.
The Ladder Tree is a notable historical site. This century-old oak is believed to have been used by the German army during the First World War as an observation post, with iron bars inserted into its trunk to form a ladder. The tree has since grown around many of these bars, making it a living piece of history.
The area around Chemy is excellent for cycling. You can find various routes for touring bicycles, road cycling, and gravel biking. For example, explore routes like the 'Three Canals Loop from Seclin' or the 'Deûle Canal – Canteraine Park loop from Seclin' for touring. Road cyclists might enjoy the 'La Carembault — Seclin loop', while gravel bikers can tackle the 'Val de Marque Greenway – Seclin Canal loop from Seclin'. You can find more details on these and other routes in the Cycling around Chemy guide.
While specific seasonal tips are limited, the Rest area at Behnenwald is particularly recommended for visits at sunrise or sunset to fully appreciate its natural beauty. Generally, autumn can offer beautiful foliage around forested areas, though the reclaimed industrial landscapes have their own unique charm year-round.
While the main slag heaps are well-known, the Terril Estevelles, though accessible to the athletic, might be considered a slightly less frequented gem compared to the more popular Leforest slag heap. It offers a rewarding climb and beautiful views for those willing to seek it out.
Many of the slag heaps feature varied and sometimes challenging terrain. For instance, the Ostricourt slag heap can be difficult to navigate due to 'luxuriant' vegetation, and some footbridges may be challenging or impossible to pass by bike. The Leforest slag heap has a summit inaccessible by mountain bike, requiring you to proceed on foot for the final ascent. Always be mindful of steep descents and potentially slippery paths, especially on the slag heaps.
Visitors frequently appreciate the unique blend of natural beauty and industrial heritage. The panoramic views from the slag heaps, the challenging terrain for mountain biking, and the serene atmosphere of places like the Rest area at Behnenwald are often highlighted. The historical context of sites like the Ladder Tree also adds a fascinating dimension to the experience.


Extend your search for the best caves by checking out these guides of the top ones around Chemy: