Best natural monuments around Lieusaint include a variety of natural spaces and greenways. These areas provide opportunities for outdoor recreation and experiencing local flora and fauna. The landscape features renewed natural areas, some transformed from former industrial sites, offering tranquil strolls and wildlife observation.
Last updated: May 21, 2026
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ONF will plant a young oak tree in the middle of the Antin oak tree.
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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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The tree is unfortunately no more… 😕
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Unfortunately he fell. He had had his day!
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With a diameter of 1.70 m, this oak is 500 years old.
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A big and beautiful majestic tree!
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The ponds form part of the landscape of Île-de-France. They are home to a rich biodiversity: birds, unique plant species, amphibians... Unfortunately, the ponds are degrading day after day, which explains the disappearance of dragonflies. But many organizations are trying to preserve these magnificent places!
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Lieusaint offers a variety of natural spaces, including renewed natural areas, greenways, and specific natural monuments. You can find tranquil ponds like Rut Pond, ancient oak trees such as Chêne d'Antin, and the unique Horizontal tree. The region also features greenways like the Réveillon Valley Greenway and the Chemin des Roses Greenway, providing pleasant routes through local landscapes.
Yes, several natural spots are suitable for families. Rut Pond is a great place for a stroll and observing nature. The Chêne d'Antin, a large oak at the edge of the forest, is also easily accessible for families. Additionally, the Chemin des Roses Greenway is described as very pleasant and accessible for all types of cyclists, including children, and is also suitable for walking.
The natural spaces around Lieusaint are home to diverse wildlife. At Rut Pond, you might spot various bird species, unique plant life, and amphibians. The Espace Naturel de la Motte is particularly noted for birdwatching, with sightings of grey herons, swans, barnacle geese, gulls, and ducks, making it ideal for tranquil strolls and wildlife observation.
While many sites focus on natural beauty, the Menhir of Boussy-Saint-Antoine offers a touch of history. This ancient megalith is mentioned in archival documents from 1621 and is associated with old legends about emitting sounds at certain times of the year.
The natural areas around Lieusaint are perfect for various outdoor activities. You can enjoy hiking, gravel biking, and running. For example, there are several easy to moderate hiking loops like the Ponton des Roseaux loop. Cyclists can explore routes such as the Sénart State Forest loop or the Chemin des Roses Greenway. You can find more details on routes in the Hiking around Lieusaint, Gravel biking around Lieusaint, and Running Trails around Lieusaint guides.
Absolutely. The region offers numerous pleasant routes for walking and hiking. The Réveillon Valley Greenway and the Chemin des Roses Greenway provide scenic paths. For dedicated hiking, you can explore trails like the Ponton des Roseaux loop or routes within the Rougeau Regional Forest. More options are available in the Hiking around Lieusaint guide.
Yes, cycling is a popular activity. The Chemin des Roses Greenway is particularly recommended for its pleasant, shaded passages and accessibility for all types of cyclists. The Old Sénart Forest Path also offers a route winding between ponds and ditches. For more extensive rides, consider the Sénart State Forest loops for gravel biking. Detailed routes can be found in the Gravel biking around Lieusaint guide.
The Espace Naturel de la Motte is a natural space partly located in Lieusaint, developed on the former basin of the Lieusaint sugar refinery. It has been transformed into a green area offering renewed opportunities for walks and wildlife observation, especially for various bird species. You can find more information on the Tourisme Seine-et-Marne website.
Visitors frequently appreciate the tranquility and biodiversity of the ponds, the majestic presence of ancient trees like Chêne d'Antin, and the unique resilience of trees like the Horizontal tree. The natural areas are valued for providing peaceful environments and opportunities to connect with nature close to town, as highlighted by over 60 upvotes and numerous photos from the komoot community.
The natural monuments and green spaces around Lieusaint can be enjoyed year-round. Spring and summer offer lush greenery, vibrant flora, and ideal conditions for cycling and walking. Autumn brings beautiful foliage, while winter provides a different, often peaceful, atmosphere for walks, especially in the forests. The Servigny U-pick farm offers tulip picking in spring for a unique floral experience.
Many of the natural spaces and greenways, such as the Chemin des Roses Greenway, are designed to be accessible, including for families and various types of cyclists. While specific accessibility features may vary by location, the general emphasis on greenways and renewed natural areas aims to provide enjoyable experiences for a broad range of visitors.
Generally, many natural areas and greenways in France are dog-friendly, especially if dogs are kept on a leash. It's always best to check specific signage at each location, but places like the Réveillon Valley Greenway and the Chemin des Roses Greenway are typically suitable for walks with leashed dogs.
Lieusaint is known for its ancient trees. You can visit Chêne d'Antin, a large and impressive oak at the edge of the forest. Another significant natural feature was The Great Tree of Sénart, a 500-year-old oak, which, despite having fallen, remains a notable landmark. The Horizontal tree also showcases the resilience of nature after being affected by a storm.


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