Chandra River, a tributary of the Chenab
, originates from the main Himalayan range in the Lahaul-Spiti District. The river then flows in a south-easterly direction along the base of the range and then turns a whole 180 degree to flow in a south-westerly course in
. This region lies in the rain shadow region of the
Pir Panjal range
, of the greater Himalayas
, which is also called as cold desert. The main human settlement along the river is Koksar.