 The natural areas of the national park are becoming increasingly significant as areas for researching the impacts of changing flora and fauna composition and ecological communities in response to urbanisation and other human-induced environment changes (HO).The place possesses uncommon, rare or endangered aspects of the cultural or natural history of New South Wales.It meets this criterion of State significance because as it is a site unique in its ability to demonstrate all the layers of its significant historical use which closely reflect and articulate the history of the state and the nation.