Himalaya

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 Himalaya :-


Outer Himalayas :-

After going through the High lights of Greater Himalayas and Mid Himalayas we are having a sight on Shiwalik range.




Beautiful View of Shiwalik Hills 

Shiwalik Hills  :-  The Shiwalik range is also called Outer Himalayas.


The outer Himalayas are  located between Great Plains and Mid Himalayas or Lesser Himalayas. The altitudes of this Himalayan range lies between 600 metres to 1500 metres above mean sea level .


If we come to the expansion of Shiwalik range it also runs from Potwar Plateau to Brahmaputra valley about 2400 Kms . The Southern slopes of of this Himalayan range are steep while Northern slopes are gentle .



Shiwalik range  View 


The width of Shiwalik range varies  from 50Km in Himachal Pradesh to less than 15 kms in Arunachal Pradesh . It is almost unbroken chain of low hills  except an area occupied by the valleys of Tista river and Raidak river which is about 80 to 90 kms .

The Shiwalik range from North East India up to Nepal is having thick forest cover but forest cover goes on decreasing towards west from Nepal as the rainfall is less in East to West in Shiwalik range and plains of Ganga .



Shiwalik Hills with Forest cover 


The Southern slopes of Shiwalik range in Himachal and Punjab are almost devoid of forest cover . These slopes are having seasonal streams , which are also called Chos .




The Shiwalik range are formed last of all the ranges about 2- 20  million years ago  from consolidated sands , gravels and conglomerate deposits from the rivers flowing from higher Ranges .
 These deposits came to hardened state due to the compressive forces offered by  Northward movement of the Indian Plate .


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