Naharlagun is a picturesque town situated in the foothills of Himalayas in the Indianstate of Arunachal Pradesh, 10km the capital city of Itanagar, it is at an altitude of 200 metres from sea level. Surrounded by mountains, Naharlagun is a small town which sees annual long monsoon rains.weather is basically sub-tropical with hot and humid summer and pleasant winter. Best season to visit is from November to March.
India census, Naharlagun had a population of 26,912. Males constitute 53% of the population and females 47%. Naharlagun has an average literacy rate of 69%, higher than the national average of 59.5%: male literacy is 74%, and female literacy is 62%. In Naharlagun, 15% of the population is under 6 years of age.