The Devil's Bridge is one of the most famous tourist attractions in Tarragona, linking the regions of Martorell and Castelbisbal in Catalonia, located 4 kilometers north of the city, and its height is about 145 feet. This distinctive landmark is also known as the Ferreres Aqueduct, an ancient Roman aqueduct built in the century The first is to supply the historic city of Tarraco with water.