 The ongoing use and development of the area closely reflects and articulates the economic and agricultural development of the colony and later the development of the nation in relation to its autonomy, defence and populating the land.It is a rare example of a site demonstrating the continuous layers of history which reflects the history of the State and the Nation.In addition to its culturally historic values, the Scheyville National Park's natural values demonstrate a significant phase of evolution in the natural history of the Hawkesbury area.