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Shergaon Forest Division administers the forest resources of Rupa – Shergaon – Kalaktang region in West Kameng District of the State of Arunachal Pradesh in between latitudes 27 degrees North and 27 degrees 15 minutes North and longitudes 92 degrees East and 92 degrees 30 minutes East. The total geographical area of the division is 869.50 square kilometers. The entire area comes under Unclassed State Forests (USF).

Shergaon Forest Division was created in 1984 out of the erstwhile Tawang Forest Division vide Government notification No. FOR 298/E-2/84/33634-750 dated 10/12/1984.
The administrative boundaries of the forest division are:
South: Northern boundary of Khellong Forest Division
East: Bhalukpong - Bomdila National Highway road; Rupa road till an unnamed nallah and the nallah upstream till the ridge
North: The ridge towards west till the international boundary of India with Bhutan
West: International boundary of India with Bhutan

Shergaon Forest Division is covered under the six Survey of India topo sheets of 83A/3, 83A/4, 83A/7, 83A/8,83A/12 and 83B/1 in the scale of 1:50,000.
Geography: The landscape of Shergaon Forest Division is mostly mountainous. There are deep gorges and valleys, high peaks and rugged terrain covering various ranges of the Himalaya, with elevations ranging from 100 m to more than 7000 m above mean sea level. The rivers draining the huge landscape join either the Kameng river inside Arunachal Pradesh or the Bhairabkund river in Assam. Its steep topology with a wide altitudinal range, a gradient in precipitation extending to very high rainfall and largely intact forests makes this region very rich in biodiversity.

Geology: Major geological formation is Bomdila group of early Paleozoic to Pre-Cambrian groups.
Climate: The average annual precipitation is 120 mm with bulk of rains during April to September. July and August are the hottest months while January is the coldest.
Forests in a State are divided into Forest Circles. A Forest Circle is divided into non-overlapping forest divisions for the purpose of administration and coordination. Alignment of forest divisions to political boundaries are not necessary, as forests often overlap political boundaries. It generally comprises one or more districts or vice-versa. A Forest Division protects and manages forest resources under it's territorial jurisdiction. A Forest Division is broken up into one or more forest ranges.