The Parc naturel régional de la Haute Vallée de Chevreuse is a protected natural area located in the Île-de-France region of France. Established in 1985, it covers approximately 63,000 hectares and is known for its diverse landscapes, including forests, valleys, and rivers. The park aims to preserve the natural environment while promoting sustainable tourism and local culture. This regional park is home to various wildlife species and offers numerous outdoor activities such as hiking, cycling, and horseback riding. Visitors can explore charming villages, historical sites, and the scenic beauty of the Chevreuse Valley, making it a popular destination for nature lovers and outdoor enthusiasts.