Roman aqueduct of Barbegal

In the 1st century AD, the Romans built two parallel aqueduct bridges, which converged in a basin from which a single conduit leading to Arles. The Barbegal aqueduct was diverted in the 2nd century. AD to feed the Barbegal mill, while the western branch continued to supply the city of Arles. The modified bridge trenched the link of the Pene to feed the mill. The waters were then collected by a channel that evacuated them into marshes.