Nain Gahar is a village in Udaipur tehsil in district of Lahul and Spiti, Himachal Pradesh, India. As per the data provided by Census of India in 2011, total population of Nain Gahar was 52 which includes 31 males and 21 females. Nain Gahar covers 18.73 ha area. Pincode of Nain Gahar is 175139.