Best natural monuments around Ormesson-Sur-Marne include a variety of green spaces and natural areas that contribute to the region's character. The landscape features a mix of historically significant parks, woodlands, and river systems. These sites provide opportunities for walks and appreciating local flora and fauna. Ecologically sensitive areas are preserved, highlighting the region's biodiversity.
Last updated: June 18, 2026
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Popular around Ormesson-Sur-Marne
An old legend has it that this megalith (pierre-fitte: fixed or erected stone) has the power to emit sounds at certain times of the year. This menhir is mentioned in ancient archival documents from 1621. (source https://www.ville-boussy.fr/la-ville/son-patrimoine.html)
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In the Grosbois regional forest, a majestic oak tree stands proudly among the heather, well marked by an explanatory sign. This century-old oak tree, nestled in the heart of the forest, is a true natural monument and shows the richness and biodiversity of this wooded area. This site is accessible via a hiking trail.
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Its originality and beauty!
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Located to the south-east of the Bois de Vincennes, Lac de Gravelle is the smallest of the four lakes in the area. Its area is around one hectare. Formerly supplied by the Marne, today the water is brought back from the Seine thanks to a hydraulic system provided by the pumping plant of the Austerlitz bridge. This preserved natural site is in fact completely artificial. But no less charming!
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Small, idyllic lake with many water lilies. It is the smallest of the four lakes in the Bois de Vincennes!
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Died in 2003, this oak has been present in the park since the reign of Henry IV, approximately 400 years. This giant has a total height of 29 m. Its circumference at 1 m 30 from the ground is 6 m. Its presence still contributes to the preservation of biodiversity today. Indeed, its trunk and branches offer refuge to several species of animals. (source aev-iledefrance)
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Nature gives us a beautiful lesson in life ... Never give up !!
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Destroyed by the storm in 1999, this tree has survived, and a dozen of its branches stand vertically over 10m to fetch the sun
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Beyond specific monuments, the region boasts several significant green spaces. The Parc du Château d'Ormesson offers a blend of historical design and natural elements, including woodlands and the Morbras river. The Parc communal et départemental du Morbras is ideal for peaceful strolls and family outings, recognized as a Sensitive Natural Area. Further afield, the Bois Saint-Martin provides a substantial forest escape with exceptional biodiversity.
Yes, the area is known for its ancient trees. You can visit the Chêne des Bruyères, a majestic, century-old oak tree located in the Grosbois regional forest. Another significant ancient tree is The Oak of the Eight Roads, a 250-year-old oak that stands as the dean of the forest.
The natural monuments around Ormesson-sur-Marne feature a variety of natural elements. You'll find ancient trees, woodlands, and river systems. Lake Gravelle offers a charming and peaceful environment, despite its artificial origins. The Bois Saint-Martin, for instance, includes ancient trees, flowering meadows, fern carpets, and numerous ponds.
Yes, several natural spaces are suitable for families. The Parc communal et départemental du Morbras features play areas for children. Additionally, Lake Gravelle and The Oak of the Eight Roads are categorized as family-friendly highlights, offering pleasant spots for outings.
The region offers various outdoor activities. You can find numerous routes for hiking, gravel biking, and mountain biking. For example, there are hiking routes like the 'Hiking loop from Sucy-en-Brie' or gravel biking options such as the 'Château des Marmousets – Carrefour des Huit Routes loop'. You can explore more options on the Hiking around Ormesson-Sur-Marne guide or the Gravel biking around Ormesson-Sur-Marne guide.
Yes, there are several hiking trails available. For instance, you can find moderate trails like the 'Beach Garden – Quai de Halage loop' or an easy 'Hiking loop from Sucy-en-Brie'. The Chêne des Bruyères is also accessible via a hiking trail. For a comprehensive list of routes, refer to the Hiking around Ormesson-Sur-Marne guide.
Dogs are permitted on a leash in the Parc communal et départemental du Morbras. However, for ecologically sensitive areas like the Bois Saint-Martin, specific regulations apply, which may include restrictions on off-leash dogs to protect its habitats.
The Parc du Château d'Ormesson is historically significant, featuring landscapes inspired by André Le Nôtre and clear moats surrounding the historic Château d'Ormesson. Access to the park and château is typically by guided tour on reservation. You can find more information about the château on the Tourisme Val-de-Marne website. Additionally, the Menhir of Boussy-Saint-Antoine is an ancient megalith mentioned in archival documents from 1621.
The Bois Saint-Martin is particularly rich in biodiversity, home to various species including deer, foxes, squirrels, and protected bird species like the Red-backed Shrike. Its ecological sensitivity makes it a valuable habitat for local flora and fauna.
The Horizontal tree is a testament to nature's resilience. Destroyed by a storm in 1999, it has survived, with a dozen of its branches now growing vertically over 10 meters to reach the sun, creating a unique natural spectacle.
The Parc communal et départemental du Morbras is recognized as an 'Espace Naturel Sensible' (Sensitive Natural Area) within the Val-de-Marne. This designation highlights its ecological, landscape, and social value, underscoring efforts to preserve its biodiversity and natural beauty for both residents and visitors.
For more details on the protected natural areas, including the 'Espaces Naturels Sensibles' in Val-de-Marne, you can visit the Tourisme Val-de-Marne website.


Extend your search for the best caves by checking out these guides of the top ones around Ormesson-Sur-Marne: