Glanum Dam

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Glanum Dam, Roman arch dam near Saint-Rémy-de-Provence, France

The Glanum Dam features two curved parallel masonry walls, each one meter thick, with an internal section filled with earth and rubble materials.

Built during the first century BC, this water management structure supplied the ancient Roman city of Glanum through an integrated aqueduct system.

The dam construction reflects Roman engineering knowledge, incorporating stone blocks secured with crampons and Cordon joints to prevent water infiltration.

The structure reaches six meters in height with a thickness of 3.5 meters, channeling water into a reservoir known as Lac de Peirou.

Archaeological evidence indicates this structure represents the earliest known example of an arch dam design in documented engineering history.

GPS coordinates: 43.77131,4.82892

Latest update: June 23, 2025 09:45

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