The Alberche is a river in the provinces of Ávila, Madrid and Toledo, central Spain. It begins its course at 1,800 m in Fuente Alberche, San Martín de la Vega del Alberche municipal term, Ávila Province. It forms the natural division between the Sierra de Gredos and the Sierra de Guadarrama, in the Sistema Central.The Alberche flows roughly from NW to SE and bends sharply midway in its course to flow from NE to SW. It meets the Tagus at Talavera de la Reina.