TypeBayDetailsDeep Bay is on the southern shore of Berowra Creek with Cunio Point at its upstream entrance. It is so named because it is a very deep bay.
CreatorPowell, John P. 1994, Placenames of the Greater Hawkesbury Region, Hawkesbury River Enterprises, Berowra, p.36.
Powell, John P. 1994, Placenames of the Greater Hawkesbury Region, Hawkesbury River Enterprises, Berowra, p.36., Deep Bay. Hornsby Shire, accessed 27/04/2026, https://hornsbyshire.recollect.net.au/nodes/view/3991
