The
Sierra de Gredos is a mountain range in central Spain that spans the provinces of
Ávila,
Salamanca,
Cáceres,
Madrid, and
Toledo. It is part of the much larger
Central System of mountain ranges. Its highest point is
Pico Almanzor, at 2,592 metres and it has been declared a natural park by the
Autonomous Community of
Castile and León. The Sierra de Gredos is one of the most extensive mountain ranges of the Central System, and it comprise 5 river valleys: the Alto Tormes, the Alto Alberche, the Tiétar Oriental, the Tiétar Occidental y la Vera, and the Valle del Ambroz. The first known inhabitants were the
Vettones, a pre-Roman Celtic people. The central part of the range encomprises the
Sierra de Gredos Regional Park.