The natural feature that separates France from Spain is the Pyrénées Mountains. This mountain range runs along the border, acting as a natural boundary between the two countries. The Pyrénées are known for their breathtaking landscapes, diverse wildlife, and outdoor activities like hiking and skiing. This region also holds cultural and historical significance, with numerous villages and towns rich in heritage. The mountains are a popular destination for tourists seeking adventure and to explore the unique blend of French and Spanish cultures.