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Gier Aqueduct

The Gier Aqueduct is a Roman work of the 1st century AD that supplied water to Lugdunum (present-day Lyon). At 85 km long, it is the longest of the known Roman aqueducts and the best preserved of the four that served the capital of Gallia Lugdunensis. It began on the slopes of Mont Pilat, in the Gier valley, and reached Lyon after crossing the present-day departments of the Loire and the Rhône, passing through Mornant, Orliénas, Chaponost and Sainte-Foy-lès-Lyon. Along its route many remains survive: covered channels, eleven tunnels (one of 825 m near Mornant), inspection shafts and, above all, ten sections raised on walls and arches, which are the most spectacular vestiges. Four inverted siphons crossed the valleys of the Durèze, the Garon, the Yzeron and the Trion by means of arched bridges, of which visible piers and arches remain. Visitors can explore various points along the route and observe Roman building technique in a landscape setting that still preserves imposing stretches.

Things to do at Gier Aqueduct: 1 missions

• Visit the Gier AqueductVisit the Gier Aqueduct in Lyon and get to know the place on the ground.

Near Gier Aqueduct

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