Pasighat is the headquarters of East Siang district in the Indian state of Arunachal Pradesh. Situated at the eastern foothills of the Himalayas at 155 meters (509 ft) above mean sea level, Pasighat is Arunachal's oldest town. The Government of India included Pasighat in the Smart Cities Mission development scheme in June 2017. It is also an Advance Landing Ground (ALG) of Indian Air Force.