Not who you're looking for? Others named Barguzin: human settlement in Barguzinsky District, Republic of Buryat
The Barguzin is a river in Buryatia, Russia, long, flowing into the Barguzin Bay of Lake Baikal, the largest and deepest bay of Baikal. Barguzin is the third (by the flow amount) inflow of Baikal, after the rivers Selenga and Upper Angara. Its watershed area is . It is navigable for upwards from its estuary. Its main tributaries are the Gagra, Argada and Ina from the left, and the Ulyun from the right. In 1648, Ivan Galkin founded an ostrog on the Barguzin.