Jabarkan Geografi dari Cumberland Plain

Cumberland Plain terletak di wilayah pemerintah lokal Auburn Council, Baulkham Hills Shire, City of Blacktown, Camden Council,, City of Canada Bay City of Fairfield, City of Hawkesbury, Hornsby Shire, City of Holroyd, City of Liverpool, City of Parramatta, City of Penrith, City of Ryde dan Wollondilly Shire; dan sebagian City of Campbelltown dan beberapa dewan Inner West.

Sungai Hawkesbury /Nepean, Parramatta dan Cooks mengalir melintasi bagian-bagian dataran ini.