 The Huerta de la Alcurnia was on the river bank between the southern city walls and the Tagus River.The garden had a pavilion for Al-Mamun, the king of the Taifa of Toledo.In the 11th century the garden was, possibly, the location of a water clock of the mathemacian al-Zarqālī, which was said to be between the "Bab-al-Dabbagin" also known by its Spanish name as "Puerta de los Curtidores" (English translation