Geological feature Type - Geological feature Bald Rock Bottle and Glass Rocks Burra Korain Castle Rock Dark's Cave Darling Causeway Du Faur Buttress Du Faurs Lookout Du Faurs Rocks Fortress Ridge Govetts Leap Hawkesbury sandstone Hornsby Plateau Kings Tableland Lockleys Pylon Lovers Leap, Maroota Mount Solitary Narrow Neck Orphan Rock Peats Crater Portland Head Rock Quaternary sediments Sow and Pigs Reef Tarpeian Rock The Brothers, Henley The Crescent Three Sisters Wianamatta shale Woronora Plateau