Neyyar Dam
The 547th tallest dam in the world
Neyyar dam is a gravity dam on the Neyyar River in Thiruvananthapuram district of Kerala, South India, located on the foot of the Western Ghats about 30 km from Thiruvananthapuram. It was established in 1958 and is a popular picnic spot. The Neyyardam was built in the land given by a famous agriculturist and landlord Mr. Karuvachi Krishnan Panicker, (Father of Kallikkad Kesavan Panicker (Father of Kallikad Ramachandran)) Maruthummootil, Kallikkad and many of his family members from Kallikkad.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).