<P> The Great Dividing Range , or the Eastern Highlands , is Australia 's most substantial mountain range and the third longest land - based range in the world . It stretches more than 3,500 kilometres ( 2,175 mi ) from Dauan Island off the northeastern tip of Queensland , running the entire length of the eastern coastline through New South Wales , then into Victoria and turning west , before finally fading into the central plain at the Grampians in western Victoria . The width of the range varies from about 160 km ( 100 mi ) to over 300 km ( 190 mi ) . </P>
<P> The Great Dividing Range , or the Eastern Highlands , is Australia 's most substantial mountain range and the third longest land - based range in the world . It stretches more than 3,500 kilometres ( 2,175 mi ) from Dauan Island off the northeastern tip of Queensland , running the entire length of the eastern coastline through New South Wales , then into Victoria and turning west , before finally fading into the central plain at the Grampians in western Victoria . The width of the range varies from about 160 km ( 100 mi ) to over 300 km ( 190 mi ) . </P>
which range runs along the east coast of australia
which range runs along the east coast of australia
Great Dividing Range
Great Dividing Range