Best natural monuments around Marly offer diverse natural features, from unique geological formations to serene forest landscapes and significant water bodies. The region presents opportunities to explore ancient rock formations and expansive woodlands. These sites provide a blend of natural beauty and local lore, making them suitable for various outdoor activities. The area is characterized by its varied terrain, including valleys and forests, which contribute to its appeal as a destination for nature enthusiasts.
Last updated: June 18, 2026
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a beautiful place to rest
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Beautiful walk between countryside and village. Pretty paths and alleys. To discover
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The Bois d'Angre, located in Honnelles, is a forest renowned for the Caillou-qui-Bique, a 370 million year old pudding rock. This forest is home to rich biodiversity with oaks, ash trees and various rare species. A place of legends and hikes, the Angre woods is a precious natural site in Wallonia, managed by Natagora and other organizations to preserve its unique fauna and flora.
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magnificent view of the Ecaillon valley
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Nice place in good weather. Easy access. Families, athletes... nothing bad and a small bench to take a break before going back to the countryside :-)
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Very mobile with magnificent view of the gorial pond
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This rock formation is very special in the forest!
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A legend has been perpetuated for generations on this 25 meter high stone planted on a ridge (in patois we say that it rocks). A little step back in time... Saint-Ghislain completes the construction of its abbey. The devil decides that he will take advantage of the inauguration day to destroy the abbey and its occupants, by throwing an enormous stone found in the Pyrenees at the community. An angel warns Saint-Ghislain of the imminent danger weighing on the abbey. He gathers as many pairs of worn shoes as possible, which he slips into a huge bag and takes to the road to meet the evil one. Coming across a poor fellow in rags with holes in his shoes at this place, the devil, quite exhausted by the heavy load, questions him: “Is the abbey of Saint-Ghislain still far away? ". - “I’m coming from there, if it’s far!” » replies the old man while emptying his bag, filled with threadbare shoes, in front of the devil. Discouraged and disappointed, Satan preferred to give up, dropping his heavy stone on the ground and walking away blaspheming, fooled by the subterfuge. An hour and a half. N.B.: some historians say that this is the legend of Saint Remacle, during the construction of Stavelot Abbey. You are therefore free to substitute Remacle for Saint-Ghislain since this substitution does not modify the spirit of the story. In both cases, the devil is defeated. Cfr de informatiesteen ter hoogte van Le Chalet de Garde.
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Around Marly, you can discover diverse natural features. For instance, Goriaux Pond is a national biological reserve formed from mining subsidence, located at the foot of a slag heap. Another unique spot is Le Caillou-qui-Bique, a 20 to 25 meter high rock formation known for its geological composition and local legends. The Bois d'Angre forest is also notable for its rich biodiversity and ancient pudding rock formations.
Yes, several natural monuments around Marly are suitable for families. The Bois d'Angre forest offers various walks to explore its natural riches. Goriaux Pond is also considered family-friendly, providing a nice spot to land and soak your feet in the water. Additionally, the Menhir known as Le Gros Caillou or Grès Montfort is an easy-access site with a beautiful view, perfect for a family break.
The region around Marly offers various outdoor activities. You can find numerous hiking trails, such as the 'Vineyard Pond – Boardwalks loop' or the 'Bunker in Northern France loop'. For runners, there are several running loops available from Saultain, Valenciennes, or Marly itself. Road cycling enthusiasts can explore routes like the 'Paris-Roubaix Cobbles Loop'. You can find more details on these activities in the Hiking around Marly, Running Trails around Marly, and Road Cycling Routes around Marly guides.
While specific leash requirements are not detailed for all sites, natural areas like the Bois d'Angre and the Forêt Domaniale de Marly are generally welcoming to dogs, especially on trails. It's always advisable to keep dogs on a leash to protect local wildlife and ensure a pleasant experience for all visitors.
The natural monuments around Marly, including the Forêt Domaniale de Marly and the Royal Domaine, offer a serene environment that can be enjoyed throughout the year. The changing atmosphere from season to season provides different experiences, from lush greenery in spring and summer to vibrant colors in autumn. For extended walks and hikes, pleasant weather conditions are ideal, typically from spring through early autumn.
Yes, the region boasts significant historical sites. The **Royal Domaine of Marly** in Marly-le-Roi, France, is a historical domain that was once a private retreat for Louis XIV. While the original château is gone, the park retains its structured design, featuring open avenues, wooded areas, and the notable Abreuvoir de Marly with its sculpted horses. This domain offers a blend of historical grandeur and natural beauty.
Parking availability varies by location. For the Royal Domaine of Marly, access is generally free, and parking options are usually available nearby. For specific natural monuments like Le Caillou-qui-Bique, which is located on the edge of a path in the forest, parking might be found at designated forest entrances or trailheads. It's recommended to check local signage upon arrival for the most accurate parking information.
Public transport options depend on the specific natural monument you wish to visit. For the Royal Domaine of Marly in Marly-le-Roi, France, local bus services often connect from nearby train stations. For other natural monuments like Goriaux Pond or Bois d'Angre, public transport might involve a combination of regional trains and local buses, potentially requiring some walking to reach the exact location. Planning your route in advance using local transport apps is advisable.
Visitors frequently appreciate the unique blend of natural beauty and local lore. For example, Le Caillou-qui-Bique is loved for its incredible history and geological formation. The Bois d'Angre is valued for its rich biodiversity and ancient pudding rock. The Menhir known as Le Gros Caillou or Grès Montfort offers a magnificent view of the Ecaillon valley, providing a peaceful break. The overall appeal lies in the variety of landscapes and the sense of disconnection from urban life.
Yes, there are options for easier walks. The Menhir known as Le Gros Caillou or Grès Montfort is easily accessible and offers a beautiful view without requiring strenuous effort. The Bois d'Angre also features several walks, some of which are gentle and suitable for discovering its natural riches at a relaxed pace. The Forêt Domaniale de Marly, bordering the Royal Domaine, has numerous trails with gentle inclines, perfect for extended but not overly challenging walks.
Yes, the natural monuments around Marly offer opportunities for wildlife spotting. The Bois d'Angre is renowned for its rich biodiversity, including various plant and animal species. The Forêt Domaniale de Marly provides a serene environment where you might encounter local fauna. Goriaux Pond, being a national biological reserve, is also a good spot for observing aquatic and forest wildlife.
Many of the natural areas around Marly, particularly within the Bois d'Angre and the Forêt Domaniale de Marly, offer networks of trails that can be combined to create circular walks. While specific named circular routes for each monument aren't always highlighted, the extensive trail systems allow visitors to plan their own loops, providing a varied experience of the natural surroundings.


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