- The Chenab originates from near the Bara Lacha Pass in the Lahul-Spiti part of the Zaskar Range.
- Two small streams on opposite sides of the pass, namely Chandra and Bhaga, form its headwaters at an altitude of 4,900 m.
- The united stream Chandrabhaga flows in the north-west direction through the Pangi valley, parallel to the Pir Panjal range.
- It enters the plain area near Akhnur in Jammu and Kashmir.
- It joins the Sutlej after receiving the waters of Jhelum and Ravi rivers.
