On the eastern side it stands between Bamchu Glacier and Mangraon Glacier. Both these glacier's joins Milam Glacier further east, from the snout of Milam glacier emerges Goriganga River that later joins the Kali River at Jauljibi. On the western side Uttari Nanda Devi Glacier joins Uttari Rishi Glacier and drains into Rish Ganga. Rishi Ganga met with Dhauliganga River near Rini. Later Dhauli ganga met with Alaknanda at Vishnuprayag. Alaknanda River is one of the main tributaries of river Ganga that later joins Bhagirathi River the other main tributaries of river Ganga at Devprayag and became Ganga there after.