The river flows from its source for before meeting the Alaknanda River at an elevation of in the town of Devprayag. Downstream of this confluence, considered holy by Hindus, the river is known as the Ganga, or Ganges River by westerners. The controversial Tehri dam lies at the confluence of the Bhāgirathi and the Bhilangna, at , near Tehri. Chaukhamba I is the highest point of the Bhagirathi basin.