Lying near the centre of a large sedimentary basin, Ku-ring-gai Chase National Park is characteristic of Hawkesbury sandstone. The rocks are mostly sandstone with some shales and some volcanic soils at West Head. There are over 900 species of flora in the park.
There are marked walking trails to several bays and lookouts includung Flint and Steel on the Hawkesbury and The Basin in Pittwater.
Picnic facilities and barbeques are provided at Bobbin Head, Cottage Point and West Head, which are all accessible by car.
There is a camping ground at The Basin which is also accessible by ferry. The flat grassland makes a perfect camping spot on the
edge of the Basin which is connected to Pittwater by a narrow inlet. there are toilets and barbecues and the basin provides a lovely safe swimming spot.
Kur-ing-gai can be accessed by car from Mona Vale Road via Terry Hills or by Pittwater Road through
Church Point and Mc Carrs Creek or by Ferry from Palm Beach to The Basin.