 The friary sits on a rocky bluff that overlooks the confluence of the rivers Tinto and Odiel, known since ancient times as "Saturn's Rock".On this spot, the Phoenicians built an altar dedicated to their god, Melqart, the patron of Tyre, also called the Baal (lord) of Tyre, a deity often identified with Hercules.Later, the Romans chose this same place to venerate the goddess, Proserpina.