District Lower Subansiri

The District of Lower Subansiri, which covers an area of 10,135 Sq.km., is bounded on the north by China and Upper Subansiri District of Arunachal, on the south by Papum Pare District of Arunachal Pradesh and Assam , on the east by West Siang and some part of Upper Subansiri on the west by East Kameng Districts of Arunachal Pradesh. On her Northeast lies the Tirap District of Arunachal Pradesh. The altitude of Lower Subansiri district headquarters is 1500 meters above sea level. The topography of the District is mostly mountainous terrain, where the Hill Ranges varies approximately from 1000 to 1600 metres above sea level. A greater part of it falls within the Higher mountain zone consisting of tangled peaks and valleys. Nature has gifted the heart land of the District in the form of magnificent plateau at about 1564 metres above sea level, where District Headquarter, Ziro is located. The forest of the District are rich in valuable species of trees and different varieties of shrubs, cane and bamboo grow plenty, and the exquisite floral treasures of wilder species may often be found in the shadowy recesses of the Forest. The Forest of the District has got great economic values and various types of wild game. The District is also rich in wild fauna such as tigers, panthers, leopard, cats, bear, boars, antelopes and barking deer etc. beautify this nature's Zoological Garden.

One of the main river of this District is Kamala. The origins of the river is from snow ranges of China(Tibet), which flows towards South-East and meets the Subansiri river at Raga Circle. The Subansiri river, at one time was famous for its gold dust flows through the District and leaving the District at Dollungmukh Circle. It ultimately joins the mightly Brahmaputra in plain of Assam. Khru, Panior, Kime, Panya, Selu, Pugo, Persen, Rein Sipu, Pange, Kiile etc. river are also worth mentioning.

Climate

The climatic condition of the district varies from place to place as well as season to season. The climate is largely influenced by the nature of terrain depending upon altitude and location of place. It may broadly be divided into four seasons in a year :

1. the cold weather season is from December to February,



2. arch to May is the pre-monsoon season of thunders storms follows by,



3. the South -West monsoon from June to about the middle of October and



4. the second half of October to November which constitutes the post monsoon or the retreating monsoon period and is a period of transition.