The Pont du Gard is a Roman aqueduct So France. It is in the Gard département, in the area of the commune of Vers-Pont-di-Gard. The name means "Bridge over the Gard" (the river Gardon). The aqueduct supplied the city of Nîmes with water. It has a length of nearly 50 kilometres. The bridge is 49 metres high and has bows on three levels. It was probably built in the 1st century. In 1985, the Pont du Gard was classified a World Heritage Site.