Canyon Dam (Sri Lanka)
The 928th tallest dam in the world
The Canyon Dam is a large arch-gravity dam built across the Maskeliya Oya, 4.5 km (2.8 mi) upstream of the iconic Laxapana Falls, in the Central Province of Sri Lanka. The associated power station plays a major role in the national power grid, due to its significant output. The dam is surrounded by steel structures of the substation.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).