view of echo point blue mountains three sisters katoomba sydney nsw australia

cliff canyon terrain rock geology formation mountain badlands wadi valley wilderness park plateau landscape tree arch ridge adventure view echo point blue mountains three sisters katoomba sydney nsw australia adventure aerial view attraction australia australian beautiful mountains national park bush bush walking bushland canyon cliff point environment famous flora foliage forest gorge gulleys hills houses iconic katoomba landscape mountain nature south wales nsw outback rural sandstone scenic sisters sydney three tourism tourist travel trees urban valley village world heritage