Dakshini Nanda Devi Glacier lies on the northern side of Panwali Dwar. It drains itself into Rishi Ganga which later joins Dhauli Ganga at Rini and Dhauli Ganga merge with Alaknanda River at Vishnu Prayag one of the main source of river Ganga. which later joins Bhagirathi river the other main tributaries of river Ganga at Dev Prayag and became Ganga there after. On the east side lies Pindari Glacier from their emerges Pindari River which also joins Alaknanda river at Karn Prayag and became part of Alaknanda river.