Harrington Park is a heritage-listed former race track, rural estate management and alluvial grazing paddocks located at 1 Hickson Circuit in the south-western Sydney suburb of Harrington Park in the Camden Council local government area of New South Wales, Australia. The original designer is unconfirmed, with 1950-60s additions completed by Marcel Weyland. The homestead was built from 1817 to 1827. The property is privately owned and was added to the New South Wales State Heritage Register on 22 December 2006.

Orielton is a heritage-listed former hunting, pleasure garden, farming estate, weekender, cereal cropping, flour mill and pastoral property and now horse agistment and residence located at 181 - 183 Northern Road in the south-western Sydney suburb of Harrington Park in the Camden Council local government area of New South Wales, Australia. It was designed and built from 1815 to 1834. It is also known as Orielton Farm and Orielton Homestead. The property is privately owned. It was added to the New South Wales State Heritage Register on 22 December 2006.