The Blue Mountains of New South Wales, Australia, are situated approximately 100 kilometres west of Sydney. They are a range of sandstone geological structures that reach to at least 1,190 metres AHD.
| Credit: David Iliff |
The Blue Mountains of New South Wales, Australia, are situated approximately 100 kilometres west of Sydney. They are a range of sandstone geological structures that reach to at least 1,190 metres AHD.