Vexin Regional Natural Park is located in the Île-de-France region of France, covering parts of the Val-d'Oise and Yvelines departments. Established in 1995, the park spans approximately 71,000 hectares and is known for its diverse landscapes, including rolling hills, forests, and rivers. It aims to protect the natural environment while promoting sustainable tourism and agriculture. The park is home to various flora and fauna, making it a popular destination for nature lovers and outdoor activities. Visitors can enjoy hiking, cycling, and exploring charming villages like La Roche-Guyon and Vernon, which showcase the region's rich cultural heritage.