Gaumukh located in the Tehri Garhwal district of Uttarkashi, in the state of Uttarakhand at 13,200 feet is the terminal point of Gangotri Glacier and the origin of the river Bhagirathi which later transforms into River Ganga. Called after the shape of a cow’s mouth, people visit this place due to its religious importance for Hindus and adventurous trekkers planning to climb the Himalayas to get a glimpse of this natural wonder.