be of state significance for its use for public leisure spanning the 20th and 21st centuries. Within Nielsen Park is a fine example of a mid-Victorian marine villa, Greycliffe House, which has retained its outbuildings and historic harbour views. The development of the site as a public recreational space has sympathetically responded to the aesthetic principles and planning of the Victorian estate. At a prominent position on the harbour front Nielsen Park contains one of the 1870s fortification complexes that were built as a group on promontories around Sydney Harbour. It is representative as one of several fortification complexes designed by architect James Barnet. See also List of parks in Sydney References Bibliography Attribution External links website at NSW National Parks & Wildlife Service website at NSW National Parks & Wildlife Service website website at NSW National Parks & Wildlife Service New South Wales State Heritage Register Vaucluse, New South Wales Articles incorporating text from the New South Wales State Heritage Register Sydney localities Beaches of New South Wales Sydney Harbour National Park Parks in Sydney 1910 establishments in Australia James Barnet buildings in Sydney