Drake's Leat
United Kingdom
Drake's Leat, also known as Plymouth Leat, was a watercourse constructed in the late 16th century to tap the River Meavy on Dartmoor, England, from which it ran 17.5 miles (28.2 km) in order to supply Plymouth with water. It began at a point now under water at Burrator Reservoir, from which its path now emerges some 10m lower than the typical reservoir water level. It was one of the first municipal water supplies in the country.
Data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).