Covers an area of 45000 sq km.
All the three ranges i.e. Greater, lesser and outer Himalayas are well represented.
Upper reaches are thickly forested and have snow covered plains.
Rohtang, Bara Lacha, and Shipki la are important passes connecting Himachal with Tibet.
Beautiful and highly productive valleys like Kullu, Manali, Kangra, Lahul and Spiti lie in this region.
It is famous for hill stations like Shimla, Dalhousie, Chamba, Dharmshala etc.