Steep Ravines prevented earlier crossings.
Next: Springwood NSW
The ocean has occupied the Sydney Basin many times over millions of years.
The Earth’s crust has pushed these layers of sandstone up over the millenia, forming the Blue Mountains and separating the Sydney region from the rest of New South Wales.
Previous: Blue Mountains NP
Topic: Blue Mountains NSW
Main Photo: Steep Ravines prevented earlier crossings.
Australia Tourist Guide -> Contact Us -> Privacy
© 2026 IA Connections -> Sitemap
Steep Ravines prevented earlier crossings.
Next: Springwood NSW
Sandstone Ravines
The ocean has occupied the Sydney Basin many times over millions of years.
The Earth’s crust has pushed these layers of sandstone up over the millenia, forming the Blue Mountains and separating the Sydney region from the rest of New South Wales.
More Australia Places of Interest - See:
Places of Interest
Previous: Blue Mountains NP
Topic: Blue Mountains NSW
Main Photo: Steep Ravines prevented earlier crossings.