It is a local radio station located in the western mountains of Madrid in the towns of Pelayos de la Presa, Robledo de Chavela and Navas del Rey. Radio 21 is the radio station of the Sierra Oeste region of Madrid and its surroundings. Thousands of listeners, 4 stations and more than 40 voices support it. Information and music.
Radio 21 Sierra Oeste website address is www.radio21.es