Garigal National Park has extensive Aboriginal history, with over 300 Aboriginal sites recorded. These include cave art, rock engravings, shelters, middens and grinding grooves. Many other sites in the Northern Beaches area are preserved in Crown land, reserves and land managed by the Metropolitan Local Aboriginal Land Council. 

Eight complete or partial hand stencils were recorded in this small shelter in 1981 (some stencils are quite faint, and two are affected by graffiti).
A significant Aboriginal cultural site, the Moon Rock Aboriginal Site was declared an Aboriginal Place in 2016. The site has over 50 engravings, including tools and weapons used and to catch animals that were eaten in the area.
Located in the middle of an informal walking track between Natural Arch Track and Forestville Park is a wallaby or kangaroo. A few nearby engravings are considered to be fake.
A small Aboriginal engraving site which depicts "a fleeing kangaroo, and an emu with 2 chicks, a "common site in the locality". The site has extensive views.
A solitary Aboriginal engraving of what may be a kangaroo, or a marine creature. The site is near the head of the Powder Works Valley.
Two leaping kangaroos engraved on a large rock platform next to the Road to Nowhere Trail.
A solitary engraving of a whale with an oblong figure at its snout. Nice views from this rock platform.
A solitary footprint on a rock platform above the Slippery Dip Trail.
An Aboriginal art site in a rock shelter in St Ives, which has orange lines and a single hand stencil.