The oldest tower is the Torre del Principe, the fifteenth century. This tower was an old lighthouse guide sailors and was imprisoned in the Infante Afonso Henriques of Portugal in 1173. Most likely the name d the tower comes from this event. The original tower was destroyed by Almanzor in 997 years later and rebuilt by King Alfonso V. The Clock Tower is the sixteenth century, was named after the clock had. This tower is oriented toward the earth and used to warn of attacks from the sea came ringing the bell that was in his high for all the churches of the Val Miñor play their bells warning of the dangers. The Tower Pincer, facing the bay of Bayonne, was built in the time of the Catholic Kings in the sixteenth century. Met dungeon and magazine features.