Raikana Glacier, Uttari Raikana Glacier, Ganesh Glacier all three glacier joins Purbi Kamet Glacier from there emerges the river Dhauli Ganga which met Alaknanda river at Vishnu Prayag an 82 km journey from its mouth. Alaknanda river is one of the main tributaries of river Ganga which later joins the other tributaries Bhagirathi river at Dev Prayag.