The northern section of Mt Ku-ring-gai Chase National Park (Mt Ku-ring-gai to Brooklyn) has hundreds of Aboriginal art sites. They are both along Cowan Creek and the Hawkesbury River, and along the ridges which woud have been used used by the Aboriginal people as travel routes. A number of sites are along the Myall Trail, and the Mt Ku-ring-gai Aboriginal Site has some significant Aboriginal engravings.

An Aboriginal engraving site on a large rock platform along the Kimmerikong Ridge, with three fish, an oval and an eel. Nearby are multiple heaps of stones.
An Aboriginal engraving site above the Mt Ku-ring-gai Track with a giant bandicoot, echidna, three men and what may be an ancestral figure.
An Aboriginal engraving site on Taffys Rock, which consists of a line (50m in length) of 44 footprints around the summit.
A "bulbous head" (one of only four recorded around Sydney) and a second weathered figure near the end of Kimmerikong Ridge in Muogamarra National Park.
An Aboriginal engraving site within the Muogamarra Nature Reserve, which was thought to depict a fishing expedition. It has over 20 figures.
A unique Aboriginal engraving site in the Muogamarra Nature Reserve, which depicts a man and woman copulating, along with four additional men.
An Aboriginal engraving site in the Muogamarra Nature Reserve which has over 20 figures depicting mammals and fish commonly found in the area.
A complex Aboriginal engraving site with 42 figures first documented by W.D. Campbell in six groups. The figures include a speared man and many animals and hunting tools.
The Whale Feast site is a "remarkable" Aboriginal engraving site in Muogamarra Nature Reserve. It has over 60 figures, including a Baiame ancestral being and a line of 31 human figures below a large whale.
Described as an "animal scene", the 15 engravings on a rock platform along the Myall Trail in Mt Ku-ring-gai includes a number of wallabies and kangaroos
A long Shelter with Art along the Myall Trail, which includes over 80 motifs drawn in charcoal
Two leaping kangaroos, part of an emu and with rays on his head forms part of what may represent a hunting scene near the Myall Trail
Two kangaroos on either side of a rock shelter; one with entrails coming out of its stomach
Boomerang on a long rock ledge below the Myall Trail.
A few hand stencils in a long sandstone overhang on Porto Ridge, near Peak Hill.