Nathunager is a village in Kaladhungi tehsil in district of Nainital, Uttarakhand, India. As per the data provided by Census of India in 2011, total population of Nathunager was 295 which includes 156 males and 139 females. Nathunager covers 34.83 ha area. Pincode of Nathunager is 263159.