Lindowan Reservoir
Argyll and Bute, United Kingdom
Lindowan Reservoir is of the impounding variety, located 1 kilometre north of Kilcreggan. It used to be the main source of water for a nearby threshing mill. The earthfill dam is 3 metres high, and was constructed before 1850.
Reservoir data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).