Gaumukh is the terminus of the Gangotri Glacier. It is from this place that the Bhagirathi River originates. It is situated at 13200 feet. It is also one of the largest glaciers in Gangotri. This glacier is one of the main sources of the River Ganges. The trail of Gaumukh begins from Gangotri, about 18 kms from the destination. Gaumukh is a very popular pilgrimage site for the Hindus and it is also a well-known trekking destination. The place is even more popular because of the Shivling Mountain. Horses are not permitted on the road, therefore, one must pack accordingly before the start of the journey.