Spandaryan Reservoir (also Spandarian) is a large man-made lake located southeast of Gorayk, in the municipality of Spandaryan, Syunik Province in Armenia. It was built around 1980 in the Arpa River basin, reportedly connected to it by a 9-mile long tunnel. [1]It reportedly has a breeding colony of Lesser kestrels, the only known in Armenia.[2] It contains the Spandaryan Hydro Power Plant.