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 sites are also preserved in Crown land and land managed by the Metropolitan Local Aboriginal Land Council.
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 animals caught and eaten in the area.