The Tiétar is a 170 km long river located in the Iberian Peninsula, Spain. It originates in the municipality of Rozas de Puerto Real, at the eastern end of the Sierra de Gredos, a mountain range from which it receives numerous tributaries. The river flows through the provinces of Madrid, Ávila, Toledo, and Cáceres, ultimately emptying into the Tagus River at Monfragüe.
