| Middle Harbour | |
|---|---|
| Warrin ga[1][2] | |
 Middle Harbour seen from behind Seaforth Oval. | |
  Middle Harbour Location in greater Sydney | |
| Location | Greater Metropolitan Sydney, New South Wales |
| Coordinates | 33°48′16″S 151°14′58″E / 33.80444°S 151.24944°E |
| Type | Semi-mature tide dominated, drowned valley estuary[3] |
| Part of | Sydney Harbour |
| Primary inflows | Middle Harbour Creek |
| Primary outflows | Port Jackson |
| Catchment area | 100 km2 (39 sq mi) |
| Basin countries | Australia |
| Max. length | 10 km (6.2 mi) |
Middle Harbour (or Warrin ga[1][2]), a semi–mature tide dominated drowned valley estuary,[3] is the northern arm of Port Jackson, an inlet of the Tasman Sea located north of Sydney central business district on the coast of New South Wales, Australia.
Middle Harbour has its source in the upper reaches of Garigal National Park where it forms Middle Harbour Creek and flows southeast to become Middle Harbour at Bungaroo and travels for approximately 10 kilometres (6.2 mi) before reaching its mouth at Port Jackson between Grotto Point near Clontarf and Middle Head.
The catchment area of Middle Harbour is approximately 100 square kilometres (39 sq mi).
- ^ a b "Middle Harbour". Geographical Names Register (GNR) of NSW. Geographical Names Board of New South Wales. Retrieved 19 June 2022.
- ^ a b Larmer, James (1853). "Larmer's Vocabulary of Native Names". Rediscovering Indigenous Languages. State Library of New South Wales. p. 31. Retrieved 23 June 2022.
- ^ a b Roy, P. S; Williams, R. J; Jones, A. R; Yassini, I; et al. (2001). "Structure and Function of South-east Australian Estuaries". Estuarine, Coastal and Shelf Science. 53 (3): 351–384. Bibcode:2001ECSS...53..351R. doi:10.1006/ecss.2001.0796.
