The Pont du Diable de Villemagne-l'Argentière is a romanesque bridge in Villemagne-l'Argentière, in the Hérault department in France. It crosses the river Mare. It is built at a slope due to the different levels of the banks of the Mare. History The bridge dates from the 13th century. It was built to allow the shipping of coal and lignite from Graissessac to the royal glassworks at Hérépian. Protection The bridge was protected as an historic monument on the 27 May 1936. It is the property of the commune. References Bridges completed in the 18th century Diable Monuments historiques of Hérault Transport in Occitania (administrative region) Tourist attractions in Hérault 18th-century architecture in France