Galton's Canal
United Kingdom
Galton's Canal was a 1-mile 3 furlong (2.2 km) canal with one lock, crossing Westhay Moor in Somerset, England, and connecting the River Brue to the North Drain. It was operational by 1822, and ceased to be used after the 1850s.
Canal data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).