The name of the district is derived from the Kameng River, a tributary of Brahmaputra that flows through this district. By a Government of India ‘Notification of 1914,’ the area covered by this district, became a part of the ‘Western Section’ of the ‘North East Frontier Tract’ to which the entry of the British subject was regulated by an ‘Inner Line’. By a Government of India ‘Notification of 1914,’ the area covered by this district, became a part of the ‘Western Section’ of the ‘North East Frontier Tract’ to which the entry of the British subject was regulated by an ‘Inner Line’.

In 1919, this tract was renamed as the ‘Balipara Frontier tract,’ having its headquarter at Charduar of Assam. In 1946, the district area was curved out of the Balipara, with the name of ‘Sela Sub-Agency’ and it’s headquarter continued to be ‘Charduar’ of Assam. In 1954, Sela Sub-Agency was renamed as the ‘Kameng Frontier Division’ and its headquarter was later transferred to Bomdila.

Like other parts of North East Frontier Agency (NEFA), it was also under the ‘Ministry of External Affairs’ and over all in-charge of the district was a ‘Political Officer,’ later on Kameng Frontier Division was renamed as ‘Kameng District’ and the Political Officer was redesignated as ‘Deputy Commissioner’.On 1st June 1980, Kameng District was again bifurcated into ‘East Kameng District’ and ‘West Kameng District’.

East Kameng District was formed, covering the area of the Seppa subdivision and rest of the area of erstwhile Kameng district was placed under the West Kameng District. Finally, on 6th October 1984, West Kameng District was once again, bifurcated and by curving out, the area of Tawang Subdivision. And at last, Tawang District was formed.

West Kameng

The name of the district is derived from the Kameng river, a tributary of the mighty Brahamputra, that flows through the district.West Kameng district is a mountainous tract in Arunachal Pradesh which covers an area of approximately 7422 Sq. Km. In 1980 the Kameng district was bifurcated into two district, namely, West Kameng and East Kameng. West Kameng district of Arunachal Pradesh is located at 26⁰ 54' to 28⁰01'North Latitude and 91⁰ 30' to 92⁰ 40' East Longitude. The altitudes of the district varies from 650` to 13714 ft. The district is surrounded by Tibet region of China in the North, Bhutan on the West Kameng and East Kameng district of Arunachal Pradesh are in the North West and East respectively. The Southern boundary adjoins Sonitpur District of Assam. The HQ of this district is Bomdila.

	Particulars as on 31-3-2001	Distance from HQ (in Kilometres)
1. Highest Peak	Kangta ( 7090Mtrs. Mls)	NA
2. Important Places for tourist	a) Sangti b) Bomdila -Upper and and Lower Gompa, Craft center, District Library and Museum, Yak/Sheep breeding and rearing centers, Apple orchards etc. c) Tippi - Orchid Sanctuary	107 0 93
3. Tourist lodge/ circuit house/ hotel	a) Bomdila Tourist Lodge b) Dirang c) Shyphiang-pong Hotel d) Hotel - La	0
4. Airports/Helipads	a) Tawang Helipad b) Salonibari ( Tezpur ) Airport	0 160
5. Nearest Railway station	a) Bhalukpong	100
6. Nearest Authority of entry point(Check gate) issuing ILP	a) Dy. R.C. Tezpur, Assam b) E.A.C. Bhalukpong
7. Distance from Bomdila to State capital Itanagar		395
http://westkameng.nic.in/