Lion Island (New South Wales)

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Lion Island
IUCN Category Ia (Strict Nature Reserve)
Lion Island viewed from West Head
Lion Island viewed from West Head
Location New South Wales
Nearest city Gosford
Area 8 ha
Established 1956
Governing body NSW National Parks and Wildlife Service

Lion Island is located at the entrance to the Hawkesbury River inside Broken Bay and is considered part of the Gosford local government area.[1] It is a descriptive name because it resembles a Sphinx, a mythical figure of a crouching lion.[2] The island was originally named Elliott Island by Governor Arthur Phillip in 1789, because it resembled Gibraltar where his friend, General Elliott, had inflicted defeats on French and Spanish fleets.[3] This name continued to be used by cartographers until the 1920s.[4]

In 1956 the entire area of the island became a Fauna Reserve. It was reclassified as a Nature Reserve under the National Parks and Wildlife Act 1967.[1]

The island contains the largest population of little penguins in the Sydney area[1] and is free of feral cats and foxes[2]. It is listed in the Register of the National Estate as a breeding habitat for shearwaters and little penguins[1][5].

The cap at the Eastern end of Lion Island is composed of Hawkesbury Sandstone. The shores of the island are composed of the older Narrabeen Group of sandstones and shales.[1]

The island has a weed infestation problem, with problem weeds including Bitou Bush and Lantana.[1]

Access to the island is restricted by permit to conservation, education and research purposes.[1]

In 2005, a documentary film claimed erroneously that the wreckage of a Japanese midget submarine, which disappeared after the attack on Sydney Harbour in 1942, was buried under sand on the seabed, just east of Lion Island[6][7]. The wreck has since been located near Bungan Head.[8]

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