Tehri Garhwal is one of the largest districts in the hill state of Uttarakhand, India. Its administrative headquarters is at New Tehri. The district has a population of 604,747 (2001 census), a 16.15% increase over the previous decade. It is surrounded by Rudraprayag District in the east, Dehradun District in the west, Uttarkashi District in the north, and Pauri Garhwal District in the south