Kofini Dam
The 928th tallest dam in the world
The Kifini Dam (greek), also known as the Tiryns Dam, is a man-made dam constructed during the Mycenaean Period of 1260 B.C.E to divert the Lakissa River in Greece (Argolis, Nea Tirintha, 37°36′31″N 22°50′39″E). It is located 900 m north of Agios Adrianos, 2 km east of Nea Tiryntha and 4 km east of the Mycenaean Palace of Tiryns.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).