The Snezhnaya () is a river in Buryatia and Irkutsk Oblast, Siberia, Russia. It is one of the main rivers that feeds into Lake Baikal. It is named after how most of the water in the river gets into the river: from snowmelt. The river starts in the Hamar-Daban mountains, where snow melting during warm weather (and rainfall) gets into the river and runs down the mountain. It is long, and has a drainage basin of .