🏛️ Aqueduc gallo-romain de l'Yzeron à Craponne
Ancient Roman water infrastructure serving Lugdunum (Lyon)
📋 Fast Facts
- Constructed between 19 BC and 10 AD under Emperor Augustus
- Approximately 80 kilometers long, connecting the Yzeron River to Lugdunum (Lyon)
- Capacity: estimated 80,000 cubic meters of water daily
- Engineering methods: tunneling, bridging, siphons, gravity-fed system
The Aqueduc gallo-romain de l'Yzeron à Craponne, also known as the Aqueduc du Gier or Aqueduc du Mont-Pilat, is an ancient Roman aqueduct that supplied water to the city of Lugdunum (Lyon) in France. Built over two decades during the reign of Augustus, this infrastructure project represents one of the most significant engineering achievements of the Roman Empire in Gaul. The aqueduct transported water from the Yzeron River near Saint-Chamond across approximately 80 kilometers of diverse terrain ...