The river originates near Gutso in Nyalam County of Tibet .
The Tibetan name Bum - chu may refer to a religious ceremony attempting to divine prospects for the coming year from the level of water in a pot or well , chu is the Tibetan word for water .
The river originates near Gutso in Nyalam County of Tibetan .
The Tibetan name Bum - chu may refer to a religious ceremony attempting to divine prospects for the coming year from the level of water in a pot or well , chu is the Tibetan word for water .