Question

which is called Blue Mountains

Answer 1

the blue mountains are named so because from Sydney they look blue.they are clad in vast forest of eucalyptus (commonly called gum trees) which in the hot sun discharge a fine mist of eucalyptus oil from their leaves ..the mist reflects light which makes the haze look blue at a distance.....

here is a pic as well
hope this helps
 
 

Answer 2

Phawngpui, Mizoram, India, also known as Blue Mountain
Blue Mountain is the highest mountain peak in the Lushai Hills and in the state of Mizoram
 It is located in Lawngtlai Distric