The area of Ku-ring-gai National Park bounded by Terrey Hills, Duffys Forest and Cowan Creek hides many Aboriginal art sites. About half the sites are shelters along Cowan Creek, and the rest are engraving, cave art and grinding grooves along the many ridges and spurs.
The Big Man, Small Man Aboriginal engraving site has three male figures. The largest is over six metres high, and the smallest just over a metre.
- Number of motifs: 3
- Quality: 4.5/5
- Condition of art: Good
- Year first recorded: 1946
- Originally recorded by: R.H. Mathews, F.D. McCarthy
- View site sketch
A complex Aboriginal engraving site near Cotton Tree Creek. The figures include at least two whales and a man, as well over 40 axe grinding grooves.
- Number of motifs: 10
- Quality: 4/5
- Condition of art: Good
- Year first recorded: 1984
Above Cowan Creek a small and remote site with a carving of a striped bandicoot, and two spirit figures.
- Number of motifs: 3
- Quality: 5/5
- Condition of art: Good
- Year first recorded: 2017
Red ochre handprints and possible charcoal cave art in a small shelter below the Cowan Track.
- Number of motifs: 10
- Condition of art: Good
- Year first recorded: 1970
An Aboriginal engraving of a deity (Daramulan) figure near the Duckholes Trail.
- Number of motifs: 2
- Quality: 4/5
- Condition of art: Good
- Year first recorded: 1954
- Originally recorded by: F.D. McCarthy
- View site sketch
Aboriginal engravings of a large macropod and two smaller figures near the Duckholes Trail.
- Number of motifs: 3
- Quality: 3/5
- Condition of art: Good
- Year first recorded: 2021
- Originally recorded by: Bob Conroy
Arc in red ochre on the back of a large shelter, near the Harvey Trig Station.
- Number of motifs: 1
- Quality: 1/5
- Condition of art: Good
- Year first recorded: 1983
- Originally recorded by: Warren Bluff
- Number of motifs: 2
- Quality: 2/5
- Condition of art: Weathered
- Year first recorded: 2021
An Aboriginal engraving of an axe and a second indeterminate figure, near the Long Track.
- Number of motifs: 2
- Quality: 1/5
- Condition of art: Weathered
- Year first recorded: 1983
- Originally recorded by: Warren Bluff
A complex Aborigial engraving site across multiple adjacent platforms, which includes a very long line of footprints (mundoes) and a depiction of Baiame.
- Number of motifs: 50
- Quality: 5/5
- Condition of art: Good
- Year first recorded: 1898
- Originally recorded by: W.D. Campbell, F.D. McCarthy
- View site sketch
Hand stencils and what may be a stencil of a boomerang in red ochre in a shallow overhang near the Long Trail.
- Number of motifs: 3
- Quality: 2/5
- Condition of art: Good
- Year first recorded: 1985
An Aboriginal engraving of a macropod near the Long Track / Long Trail.
- Number of motifs: 1
- Quality: 3.5/5
- Condition of art: Good
- Year first recorded: 1983
An Aboriginal engraving site which may represent a hunting scene, on the western side of the Long Trail
- Number of motifs: 13
- Quality: 4/5
- Condition of art: Good
- Year first recorded: 1984
- View site sketch
Long Trail Trig is an Aboriginal engraving site described as a "remarkable ceremonial group" with a deity and two composite beings.
- Number of motifs: 7
- Quality: 5/5
- Condition of art: Good
- Year first recorded: 1960
- Originally recorded by: F.D. McCarthy
- View site sketch
- Number of motifs: 3
- Quality: 2/5
- Condition of art: Good
- Year first recorded: 2017
- Originally recorded by: Steven Chapple