Best natural monuments around Vallangoujard are found within the French Vexin Regional Natural Park and the Sausseron Valley. This region is characterized by a limestone plateau featuring woods, forests, meadows, and wetlands. The area offers significant ecological value and diverse natural landscapes, providing opportunities for outdoor activities and exploration.
Last updated: October 7, 2026
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The mounds of Rosne or mounds of Rône are located in the Vexin, on the border of the departments of Val-d'Oise and Oise. At 216 meters above sea level, they are the highest point in the departments of Val-d'Oise and Oise and the highest natural point in the Île-de-France region.
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in a beautiful forest we arrive there with a magnificent sun which warms up a little
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This bucolic path runs along the Stors marsh nature reserve. The ground quickly becomes muddy in bad weather and the days following the rain. That said, the setting is beautiful along the rock faces. For the rest, it's a fairly easy single.
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Magnificent natural reserve that this marsh of Stors.
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Here we have a beautiful view of the Marais de Stors nature reserve, a preserved site in the middle of the forest. We appreciate the density of the greenery. Over the year, you can admire the different colors, like an open-air fresco. It is the only swamp in the region, which makes it a unique place to discover during a running outing.
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Old quarry being restored by the Departmental Council. Place mainly for educational purposes and public awareness The interest of this quarry lies in the geological substrate, formed from the famous sands of Auvers. https://www.valdoise.fr/888-site-geologique-de-l-auversien.htm
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Vallangoujard is situated within the French Vexin Regional Natural Park, offering a diverse mosaic of natural environments. You can explore extensive woods and forests, open fields, meandering streams, marshes, ponds, and rolling hills. The region is characterized by a vast limestone plateau, providing a varied and scenic backdrop for outdoor activities.
Yes, the region's geology is quite distinctive. You can visit the Auversian Geological Site, an old quarry being restored for educational purposes. This site highlights the geological substrate formed from the famous sands of Auvers. The broader Vexin area features a succession of permeable and impermeable rocks, including chalk, which have shaped its unique landscape of buttes, plateaus, and valleys.
Beyond natural beauty, the area offers historical insights. The Pierre de Lait Polishing Stone is a notable historical site. This sandstone block served as a polisher in the Neolithic period, offering a glimpse into ancient human activity within a forest setting.
For breathtaking vistas, head to the Butte de Rosne. At 216 meters above sea level, it is the highest point in the Val-d'Oise and Oise departments and the highest natural point in the Île-de-France region, offering expansive views. Another excellent spot is the Breathtaking view of the Stors Marsh, which provides a beautiful perspective of the preserved nature reserve amidst dense greenery.
Yes, several spots are suitable for families. The Auversian Geological Site is mainly for educational purposes and public awareness, making it an interesting visit for all ages. The Butte de Rosne also offers easy and quiet access, perfect for a family outing to enjoy the views.
The French Vexin Regional Natural Park, where Vallangoujard is located, boasts over 1,000 km of marked trails. You can enjoy hiking, cycling, and mountain biking. For hiking, explore routes like the 'Hiking loop from Vallangoujard' or 'Bois des Bouleaux – Bois de Gérocourt loop from Livilliers' found in the Hiking around Vallangoujard guide. Cyclists can find routes in the Cycling around Vallangoujard guide, and mountain bikers have options like the 'Remarkable manor farm – fairly muddy loop from Vallangoujard' in the MTB Trails around Vallangoujard guide.
The French Vexin Regional Natural Park offers beauty throughout the year. Spring and autumn are particularly pleasant for hiking and cycling, with mild temperatures and vibrant colors. The 'Breathtaking view of the Stors Marsh' highlight mentions that you can admire different colors over the year, like an open-air fresco, making it a unique place to discover in any season.
Absolutely. The Singletrack along the Marais de Stors is a highly recommended bucolic path that runs along the Stors marsh nature reserve. It offers a beautiful setting along rock faces, though it can be muddy after rain. This wetland is known for its rich flora and fauna, providing a scenic experience.
Given the diverse landscapes and trails, it's advisable to wear appropriate footwear, especially if you plan to hike, as some paths like the Singletrack along the Marais de Stors can be muddy after rain. Bringing water, snacks, and sun protection is always a good idea. For nature enthusiasts, binoculars for birdwatching in areas like the Stors marsh would enhance the experience.
While the park has an extensive network of trails, specific public transport options directly to every natural monument might be limited. It's best to check local transport schedules for routes connecting to towns within the park, such as Vallangoujard, and plan your journey from there. Many visitors prefer to explore the park by car, bicycle, or on foot once they arrive.
The Stors Marsh, which can be viewed from the Breathtaking view of the Stors Marsh and traversed by the Singletrack along the Marais de Stors, is a classified site with high landscape value. It's a unique wetland in the Île-de-France region, renowned for its remarkable richness in flora and fauna, despite its relatively small area. It's a preserved site in the middle of the forest, offering a unique natural experience.
Generally, access to the natural areas and trails within the French Vexin Regional Natural Park is open to the public. However, specific regulations might apply to certain protected zones or for activities like picking, as noted for the Butte de Rosne where picking is not allowed. It's always a good practice to respect local signage and environmental guidelines to preserve the natural beauty of the park. For detailed information, you might consult the official park website.


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