Aqueduc du Loing et du Lunain

The Aqueduc du Loing et du Lunain is a water conduit that transports water from the Loing and Lunain rivers to Paris, using both above-ground and underground sections. The structure displays various engineering techniques to regulate and protect the water flow along its course.

The channel was built in the early 20th century to supply drinking water to Paris's growing population. Its completion was a major step in modernizing the infrastructure of the French capital.

The aqueduct is part of the water system that supplies Paris with fresh water and shows how important this connection became for the city's daily life. The visible sections and passages remind visitors of the planning required to move water across such distances.

Visitors can see parts of the channel from the outside, but many sections run underground and are not directly accessible. It helps to explore the local landscape to spot the above-ground structures that reveal this water transport system.

Beneath the channel bed lie old limestone quarries that posed a special challenge during construction. Engineers had to add special reinforcements to ensure stability over these hollow areas.

Location: Cachan

GPS coordinates: 48.79095,2.33184

Latest update: December 14, 2025 18:15