Estación Invernal y de Montaña San Isidro (Sector Cebolledo y Requejines) is a ski resort located in the Cantabrian mountain range in Spain. It offers 20.8 km of slopes and 3.5 km of ski routes, with 7 lifts transporting guests. The resort has a range of facilities, including parking, schools, cafes, and restaurants, and is suitable for both experienced and beginner skiers. The area is known for its stunning natural backdrop and attracts thousands of visitors each year.