Herwal Gaon is a village in Pratapnagar tehsil in district of Tehri Garhwal, Uttarakhand, India. As per the data provided by Census of India in 2011, total population of Herwal Gaon was 568 which includes 279 males and 289 females. Herwal Gaon covers 99.83 ha area. Pincode of Herwal Gaon is 249165.