The Garrigal people originally inhabited West Head, which is home to one of the largest known concentrations of recorded Aboriginal sites in Australia. The Basin & Mackerel Trail, America Bay Track and Topham Hill are some areas with significant Aboriginal engraving sites.

A "fishing scene" near the Wallaroo Track, which includes a woman, fish and boomerangs as well as line of mundoes.
Aboriginal engraving site which has a set of axe grinding grooves next to a waterhole, and three engraved figures. (Part of the Arden Trig series.)
An Aboriginal rock enrgraving site below the Waratah Track, described as depicting a successful emu hunt,
An Aboriginal engraving site on a spur beneath the Waratah Track, which may illustrate a fishing scene.
Two potholes with a deep channel around them and two axe grinding grooves along a steep ledge. A short distance away are engravings of a shield and fish (not found).
Aboriginal engraving site which represents a man with fish which are his totem (or which he hopes to catch) near the Waratah Track. (Part of the Arden Trig series.)
Aboriginal engraving of a man and woman near Waratah Track. (Part of Arden Trig series.)
A cerermonial or ritual Aboriginal engraving site below the Waratah Track, with a decorated man and woman, whale and many fish.
Aboriginal engraving of an "unusual pair of human figures" near the Waratah Track. (Part of the Arden Trig series.)
An Aboriginal engraving of a "dancing man", axe grinding grooves and a water channel on a long rock platform below the Waratak Trail.
An Aboriginal engraving of a Daramulan figure on a small rock ledge above the Waratah Trail.
Very weathered engravings of echidnas on a platform next to the Waratah Track.
Two echidnas and a leaping wallaby on a rok platform near the Waratah Track,
A small Aboriginal engraving site in thick scrub, which includes a fsh and an emu in an unusual pose.
An interesting-looking Aboriginal engraving (most recently described as a gecko) on a ridge off the Waratah Track