Best natural monuments around Ville-Houdlémont include a variety of natural features. This commune in northeastern France is situated in a region known for its diverse natural landscapes, including protected areas. The Cussignière marshes, extending into Belgium, are a significant natural attraction in the vicinity. The area offers 12 natural monuments for exploration.
Last updated: July 2, 2026
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The Trench of Gates: Gateway to Gaume, Gateway to Legends 1. What is it? Physical Description The Trench of Gates is a deep and spectacular rocky gorge, naturally carved by the Vire River (a tributary of the Semois) into the sandstone plateau of the Gaume forest. Located in the village of Dampicourt (commune of Rouvroy), on the French border, it forms a narrow and winding notch, framed by high sandstone walls and strangely shaped rocks. Its name comes from its topography: the site gives the impression of crossing several successive natural "gates." 2. A Strategic Position: Military History The true fame of the Trench of Gates comes from its historical role as a natural fortress and strategic border post. A Gallic Stronghold? : Its easily defensible configuration suggests that it was used as a refuge since the Gallic era. The Roman Fort: Its strategic role became evident during the Roman era. The Romans established a castellum (a fortified camp) there to control the passage between Belgic Gaul and Imperial Trier, and to protect the nearby Roman road. Remains of these fortifications were still visible several centuries ago. A Millennial Challenge: Due to its position on the border, the site has been contested and fortified throughout history, from the Middle Ages to modern wars. It offered an ideal control point over one of the few passable passages through the region's wooded terrain.
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The trail from this viewpoint is a real balancing challenge towards the end, very rocky with large gravel. It seems to me that a few years ago the trail was not so perilous. It is part of the official permanent route "La Croix Renson en Gaume" which advises to do it clockwise, so this uphill trail is impossible! Except for a trialist with Hulk legs and a motorcycle traction. 🙄
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It depends which way... 😀😇
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It stings a little 😂
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The origin of the place's name is mysterious. According to some, this name comes from a transcription of the name "Trou du Perdu" (Perisher's Hole). Amidst pine trees, heather, and blueberry bushes, this place represents a steep landscape where the Fourneau stream has shaped a gorge with a waterfall. A little higher up, a waterfall has formed and accentuates the erosion downstream. Above, the stream trickles over a slab of black sandstone. This formed above a significant layer of waterproof marl that stopped the infiltration of the sand present here to above it. A beautiful waterfall has formed due to the presence of the stream and the erosion that followed.
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The Tranchée des Portes covers an area of 100 hectares. It is the largest Iron Age stronghold in Belgium. This development required an abundant workforce. The construction and maintenance of the rampart suggest a well-organized social entity. Unlike Montauban, which was occupied occasionally, the Tranchée des Portes is not a refuge but an oppidum, that is to say, a fortified site where people settled for the long term with their livestock and crops. It is a fortification that owes its name to the deep ditch (5 m) that precedes its rampart. Consisting of an earthwork over 3 m high, formerly surmounted by a palisade, this barrier, pierced by 3 gates, extends over 1 km. This type of defensive site is called a barred spur. It was often used in the protohistoric period (Iron Age). We chose a place with 2 or 3 steep and almost impassable sides and we blocked access by building a wall on the vulnerable side with what we found on the site (stones, trees, earth)
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Very beautiful course & very pleasant paths for running!
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Nice view and Luxembourg bench ;)
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Ville-Houdlémont is home to diverse natural features. You can discover the unique petrifying limestone springs and remarkably contrasting vegetation at Cron de Montauban, where rare plant species like parnassia thrive. Another notable site is the Trou du Pérou Waterfall, known for its steep landscape and a gorge shaped by the Fourneau stream.
Yes, the region offers natural monuments with significant historical context. The Tranchée des Portes Oppidum is an ancient fortified site dating from the Neolithic period, later occupied by Celts and Romans. It features remains of an earthen rampart and a deep ditch, showcasing protohistoric defense systems. Another site, the Éperons Barrés Viewpoint, offers panoramic views of the Neuve Forge valley and two Iron Age fortifications, the Châtelet and the Dent de Chien, which are examples of barred spurs.
The natural monuments around Ville-Houdlémont are rich in biodiversity. At Cron de Montauban, you might spot rare flora such as blue sesleria and flea sedge, alongside a rare dragonfly, the bidentate cordulegaster. The Cussignière Marshes, a protected natural area extending into Belgium, are also a vital haven for diverse plant and animal species, making it an ideal spot for wildlife observation.
While specific family-friendly activities are not detailed for all sites, the Éperons Barrés Viewpoint is categorized as family-friendly, offering an accessible way to enjoy scenic views and historical context. The Cussignière Marshes also provide a peaceful environment for walks and nature immersion, suitable for families looking to appreciate local wildlife and natural heritage.
The area around Ville-Houdlémont is excellent for various outdoor activities. You can find numerous routes for gravel biking, mountain biking, and running. For example, there are MTB trails like the 'Cussignière marsh – La Cussignière Marsh loop from Ville-Houdlémont' and running trails such as 'La Cussignière Marsh – Cussignière marsh loop from Ville-Houdlémont'. You can explore more options on the Gravel biking around Ville-Houdlémont, MTB Trails around Ville-Houdlémont, and Running Trails around Ville-Houdlémont guide pages.
Yes, there are several hiking opportunities. For instance, a hike of approximately 8 km begins in the village of Saint-Léger to explore the Tranchée des Portes Oppidum. The Cussignière Marshes also offer ample space for walks and connecting with nature. You can find detailed routes and guides for various sports, including hiking, on komoot.
The Cussignière Marshes (Réserve naturelle de Cussigny) is a protected natural area that spans across Ville-Houdlémont, Gorcy, and into nearby Belgian municipalities. It's recognized as a vital haven for diverse flora and fauna, making it particularly valuable for nature enthusiasts. The reserve offers a peaceful environment for nature immersion, traversed by the Cussigny stream, and highlights the shared natural heritage of the cross-border region.
Visitors appreciate the diverse natural landscapes and historical insights. The Trou du Pérou Waterfall is loved for its beautiful ruggedness hidden within dense forests, making it a great stop during a walk. The Tranchée des Portes Oppidum is noted as a place steeped in history, offering a glimpse into ancient fortifications.
Beyond Ville-Houdlémont, the broader Meurthe-et-Moselle department features other natural attractions. These include the Limestone lawn from Rudemont and the Colline de Sion (Sion Hill). While the Cussignière Marshes are the primary natural monument directly associated with Ville-Houdlémont, these other sites offer additional opportunities for natural exploration in the region.
The Halanzy Iron Mine Ruins are considered a historical site with natural monument aspects. You can explore the traces of mining activity, including entrances to underground tunnels and remains of the processing plant. The site also offers panoramic views of wooded hills and red sandstones, typical of the region's iron-rich sedimentary rock, blending industrial heritage with natural beauty.
A 'cron' refers to petrifying limestone springs, which are unique geological formations. You can see a prominent example at Cron de Montauban. Here, crystal-clear rivulets tumble down a steeply sloping clearing, fed by springs, creating a remarkably contrasting environment with diverse vegetation and ecological conditions.
The area around Ville-Houdlémont offers a total of 12 natural monuments for exploration, ranging from waterfalls and unique geological formations to historical sites integrated with natural landscapes.


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