Severobaykalsk (Russian: Северобайка́льск; Buryat: Хойто-Байгал, Khojto-Bajgal; literally: northern Baikal) is a town in the Republic of Buryatia, Russia, located on the northern end of Lake Baikal at the mouth of the Tyya River, 440 kilometers (270 mi) northwest of Ulan-Ude and 490 kilometers (300 mi) northeast of Irkutsk. Population: 24,935 (2010 Census preliminary results); 25,434 (2002 Census); 28,336 (1989 Census).