Acueducto de las Ferreras (Els Ferreres)

From Tarragona N 240 runs north, passing under the expressway, and comes in 4km/2.5mi to a path leading to the Roman aqueduct of Las Ferrera, popularly known as the Puente del Diablo (Devil's Bridge), which carried water from the Río Gayà over a side valley of the Río Francolí. Probably dating from the early Empire, this is one of the most impressive Roman remains in Spain. The 25 arches cover a total length of 217m/712ft, with a lower tier 73m/80yd long at the deepest part of the valley. The water channel had a total length of 35km/22mi.