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 …
This remarkable oak, 95cm in diameter, was around 150 years old when it was felled by the storm of 1999. This windthrow was preserved by the managers. (source Val d’Oise Natural Space Department)
Here are many chestnut trees dating back more than 300 years. It is seen in their size and in the width of the trunks. They are discovered through the shaded …