Harsil is a village and a cantonment area, on the banks of Bhagirathi River, on the way to Hindu pilgrimage, Gangotri, in Uttarkashi district of Indian state of Uttarakhand ).Situated at a height of 7,860 ft (2,620 metres.) from sea level, Harsil lies 73 km. from Uttarkashi, and 30 km away from Harsil, lies the Gangotri National Park, spread over 1,553 square km.