Avoca Lake

The Avoca Lake, formerly known as Avoca Lagoon and as Bulbararing Lagoon,[3] is an intermittently closed intermediate saline coastal lagoon[1] that is located on the Central Coast region of New South Wales, Australia. Avoca Lake is located between the beachside settlements of North Avoca and Avoca Beach, and adjacent to the east coast, about 85 kilometres (53 mi) north of Sydney.

Avoca Lake
Avoca Lake
Avoca Lake
Location in New South Wales
LocationCentral Coast, New South Wales, Australia
Coordinates33°28′S 151°25′E
Lake typeIntermittently closed youthful saline coastal lagoon[1]
Part ofCentral Coast catchment
Primary outflowsTasman Sea of the South Pacific Ocean
Catchment area10.8 km2 (4.2 sq mi)
Basin countriesAustralia
Surface area70 ha (170 acres)
Average depth0.4 m (1 ft 4 in) AHD
Water volume293.2 ML (10.35×10^6 cu ft)
Surface elevation0 m (0 ft)
IslandsBareena Island
SettlementsNorth Avoca, Avoca Beach

Features and location

The Avoca Lake is fed by stormwater runoff into Salwater Creek that gathers on the slopes within Kincumber Mountain Reserve to the northwest above Pickets Valley. The lake has a surface area of approximately 70 hectares (170 acres) and a catchment area of 10.8 square kilometres (4.2 sq mi).[2] Its outflow is into Bulbararing Bay in the Tasman Sea of the South Pacific Ocean. The outflow is generally closed, and water levels inside the lake are not usually influenced by ocean tides.

Bareena Island lies entirely within Avoca Lake.

Terrigal Lagoon and Wamberal Lagoon are located to the north and are a short distance away.

See also


  1. 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: 351–384. doi:10.1006/ecss.2001.0796.
  2. "Estuaries of NSW: Avoca Lake". Office of Environment and Heritage. Government of New South Wales. Retrieved 6 April 2013.
  3. "Avoca Lake". Geographical Names Register (GNR) of NSW. Geographical Names Board of New South Wales. Retrieved 6 April 2013.

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