Picos de Europa is a stunning mountain range that stretches across three Spanish provinces: Asturias, Cantabria, and Castilla y Leon. It's one of Spain's most significant natural parks, renowned for its soaring peaks, deep river gorges, verdant valleys, and rich biodiversity. It offers myriad hiking and climbing opportunities, and it's also home to various species, including the Cantabrian brown bear and the Iberian wolf.