The Regional Natural Park of the Haute Vallée de Chevreuse is located in the Île-de-France region of France, just southwest of Paris. Established in 1985, the park covers approximately 63,000 hectares and is known for its diverse landscapes, including forests, valleys, and rivers. It serves as a protected area for various plant and animal species, promoting biodiversity and conservation. Visitors to the park can enjoy numerous outdoor activities such as hiking, cycling, and horseback riding along its extensive network of trails. The park also features historical sites, including the medieval Château de la Madeleine and the Abbey of Vaux-de-Cernay, enriching the experience for nature and history enthusiasts alike.