What mountains separate France from Spain?

The Pyrenees mountain range separates France from Spain. Stretching approximately 430 kilometers (267 miles) from the Atlantic Ocean to the Mediterranean Sea, the Pyrenees form a natural border between the two countries. This range is known for its stunning landscapes, diverse ecosystems, and numerous peaks, including the highest summit, Aneto, which rises to 3,404 meters (11,168 feet).