Chirkei hydro power plant is situated on the Sulak river of Dagestan. It is the largest HPP in the North Caucasus, the highest arch dam of Russia. And probably it is also one of the most beautiful dams in the country.
Its construction began in 1964 and finished in 1978. The main structure of the HPP is the dam, of course, the beautiful arch 232,5 meters (763 ft) high and 338 meters (1109 ft) long. The width of the dam is from six (only six!) (19.7 ft) to thirty meters (98.4 ft)!