Puerto de Navacerrada is a historic ski resort in Spain, located in the Sierra de Guadarrama mountains, about an hour's drive from Madrid. It offers 10 km of slopes for all levels, with gentle slopes making it a great destination for families and beginners. The resort has 8 trails, equipment rentals, and snack bars. It's a compact ski resort with a friendly environment, ideal for kids learning to ski. However, some reviewers note that toilet facilities can be lacking.