Fortress – Palace of the Marques de Dos Aguas
Gothic – Renaissance fortress built between the 16th and 17th centuries by order of Ramon Vilanova, Baron of the “Foia de Castalla” and “Lord of Onil”. In the upper cloister there are portraits of famous and favourite sons of Onil. You can also visit the Exhibition Hall Eusebio Sempere, the Museum of Fester and the Hall of Ambassador.