Consisting of a sandstone plateau, the area is dissected by gorges of up to 760 metres in depth, and has high points up to 1,190 metres above sea level. A large part of the Blue Mountains is incorpora
Consisting of a sandstone plateau, the area is dissected by gorges of up to 760 metres in depth, and has high points up to 1,190 metres above sea level. A large part of the Blue Mountains is… © Amanda Slater from Coventry, West Midlands, UK, CC BY-SA 2.0, via Wikimedia Commons

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