Castle of Muslim origin, built around the 12th century and which passed into Christian hands after the battle of Las Navas de Tolosa in 1212, it is a castle of military type and purpose with a walled enclosure, of which today only remains are preserved. of a tower and part of the wall. But like the Cueva de Montesinos, the greatest importance of the castle is perhaps literary, since around the castle are the oldest known medieval romances, those of "ROSAFLORIDA Y FONTEFRIDA", Rosaflorida, is the owner of the castle in love with the nobleman Montesinos and Fontefrida is the fountain at the entrance of the castle.