A winter wonderland and a trekkers delight, the Har Ki Dun Trek is a stairway to heaven that will make you fall for its beauty. The thing that makes it an alluring trek is its accessibility both in summer as well as the winter season. Har Ki Dun valley is situated at the western flank of Garhwal in the Uttarkashi district is very popular to the trekkers as well as that to the climbers. It is a lovely walk to the Har Ki Dun valley with fascinating views of Swargarohini group of peaks. Har Ki Dun catchment area is a major source of Yamuna River System and the main source of the largest tributary of Yamuna.