Sog Dzong lies in the extreme western part of the former province of Kham. The its west is Chamdo and to its right Nagchu. Sogdzong is located between the Drachen and Driru, on the Sogchu River. It is the source of Gyalmo Ngulchu.
Crops include barley, wheat , radish, potatoes, etc. and yaks, sheep, goat, cows, and horses are reared. Nomads move four times annually according to seasons.