Bhutan is sandwiched between the Tibet Autonomous Region to the north and the Indian states of Sikkim, West Bengal, Assam, and Arunachal Pradesh to the west and south. Bhutan lies between latitudes 260N and 290N, and longitudes 880E and 930E. Bhutan elevation rises from 200m (660ft) in the southern foothills to more than 7,000m (23,000ft).
The northern region of Bhutan houses Eastern Himalayan alpine shrub and meadows extended to the glaciated mountain peaks with and extremely cold climate. The peaks in this region are over 7,000m (23,000ft).
The central region of Bhutan houses the Black Mountains which forms a watershed between two major river systems: the Mo Chhu and the Drangme Chhu. The peaks in this region range from 1,500m (4,921 ) to 4,925m (16,158 ft).
The southern region of Bhutan houses the Shiwalik Hills which are covered with dense Himalayan subtropical broadleaf forests, alluvial lowland river valleys, and mountains up to around 1,500m (4,900 ft) above sea level.