Lake Wollumboola is a 648 ha coastal lake in the Shoalhaven region of New South Wales

New South Wales

New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...

, Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. It lies to the immediate south of the town of Culburra Beach

Culburra Beach, New South Wales

Culburra Beach, commonly referred to as Culburra, is in the Shoalhaven region of New South Wales, Australia. It is 18 km east-southeast of Nowra on the South Coast...

 and to the north of Jervis Bay

Jervis Bay

Jervis Bay is a large bay bounded by the state of New South Wales, the Jervis Bay Territory, and a detached enclave of the Australian Capital Territory. HMAS Creswell is located between Jervis Bay Village and Greenpatch in the Jervis Bay Territory.-History:...

. It forms part of Jervis Bay National Park

Jervis Bay National Park

Jervis Bay National Park, formerly known as Jervis Bay National Park , consists of several protected areas on the western and northern foreshores of Jervis Bay, on the south coast of New South Wales...

. The lake is separated from the ocean by a berm

Berm

A berm is a level space, shelf, or raised barrier separating two areas. Berm originates in the Middle Dutch and German berme and came into usage in English via French.- History :...

 about 100 m wide which breeches only when the lake fills to over 2.5 m above mean sea level.

Birds

The lake has been identified by BirdLife International

BirdLife International

BirdLife International is a global Partnership of conservation organisations that strives to conserve birds, their habitats and global biodiversity, working with people towards sustainability in the use of natural resources...

 as an Important Bird Area

Important Bird Area

An Important Bird Area is an area recognized as being globally important habitat for the conservation of bird populations. Currently there are about 10,000 IBAs worldwide. The program was developed and sites are identified by BirdLife International...

 (IBA) because it often supports over 1% of the world population of Black Swan

Black Swan

The Black Swan is a large waterbird, a species of swan, which breeds mainly in the southeast and southwest regions of Australia. The species was hunted to extinction in New Zealand, but later reintroduced. Within Australia they are nomadic, with erratic migration patterns dependent upon climatic...

s, especially in drought years, as well as of Chestnut Teal

Chestnut Teal

The Chestnut Teal is a dabbling duck found in southern Australia. It is protected under the National Parks and Wildlife Act 1974.-Description:The Chestnut Teal is darker and a slightly bigger bird than the Grey Teal....

s.