Uureg is a saline lake located in the hollow of Turgen and Tsagaan Shiveet mountain ranges. It is situated at an altitude of 1463m above sea level to the west of Great lakes depression and northwest of Uvs basin.
Tsagaan shuvuut, Kharig and Tsagduul are the main rivers flowing to Uureg lake.
The surrounding mountains are inhabited by argali sheep, deer, leopard, ibex, boar, roe deer, wolf, fox, squirrel, corsac foxes, rabbits, marmots, lizard, and black tailed gazelles.
Many species of birds dwell here as well such as geese, ducks, pelts, bustards, cranes, cuckoo, eagle, woodpeckers, lark, owl, elms, gulls, and storks.