Kirti Bamak lies on the NE side of Kirti Stambh. On the SW side lies Bhartekunta Bamak. Kirti Bamak joins Gangotri glacier. From the snout of Gangotri Glacier comes out Bhagirathi River one of the main tributaries of river Ganga. which later joins Alaknanda river the other main tributaries of river Ganga at Dev Prayag and became Ganga there after. On the other side Bhartekunta Bamak drain down to Bhilangana River which later joins Bhagirathi River near Tehri Dam.