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Aqueduc Romain, Chaponost

#212 of 577 in Things to do in Rhone
Landmark · Hidden Gem · Tourist Spot
The Aqueduct of the Gier is an ancient Roman aqueduct probably constructed in the 1st century AD to provide water for Lugdunum, in what is now eastern France. It is the longest and best preserved of four Roman aqueducts that served the growing capital of the Roman province of Gallia Lugdunensis. It drew its water from the source of the Gier, a small tributary of the Rhone, on the slopes of Mont Pilat, 42km south-west of Lyon.Following a sinuous path, at 85km the aqueduct of the Gier is the longest known of the Roman aqueducts. Its route has been retraced in detail, following the numerous remains. Leaving the uplands of the massif du Pilat, department of the Loire, the aqueduct hugs the surface relief and crosses the department of the Rhone, passing through Mornant, Orliénas, Chaponost and Sainte-Foy-lès-Lyon to terminate at Lyon.In its extent, it draws upon the whole repertory of Roman techniques of aqueduct building, taking a slope that averages 0.1%, or a meter every kilometer. There are 73km of covered ditches laid with a concrete culvert 3m high and 1.5m wide, which is sunk as deep as 4m beneath the land surface. The aqueduct passes through 11 tunnels, one of which, near Mornant, is 825m in extent. Access for cleaning and repairs was through manholes at 77m distances. There are some thirty stretches in the open air. There are ten stretches raised on walls and arches, which provide the most spectacular visible remains of the aqueduct .
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33 reviews
  • If you can pick up the book about this aqueduct at the Gallo Roman museum in Lyon as then you will appreciate what you are seeing: a small part of the 86 km aqueduct: an engineering feat! And at one.....  more »
  • Quite good to see Roman remains in modern France.
  • Great architechture and feeling the rams hard work there

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