Gangwan Gaon is a village in Tehri tehsil in district of Tehri Garhwal, Uttarakhand, India. As per the data provided by Census of India in 2011, total population of Gangwan Gaon was 10 which includes 6 males and 4 females. Gangwan Gaon covers 9.26 ha area. Pincode of Gangwan Gaon is 249001.