Bhagirathi river, which is an important tributary of the Ganga river, originates from Gomukh. It is a Himalayan river, believed to be holy by the Hindus. The river derives its name from the ancient king Bhagiratha. According to mythology, this king brought the river Ganga from heaven to release his 60000 uncles from the curse of the sage Kapila. The source of the river is perched at an elevation of 3892 m above sea level, and the river has numerous tributaries.