Lucas Heights Conservation Area

Lucas Heights is a suburb in southern Sydney, in the state of New South Wales, Australia. It is near to the Royal National Park.

The Australian Nuclear Science & Technology Organisation (ANSTO) is Australia's national nuclear organisation and the centre of Australian nuclear expertise. It is a statutory body of the Australian government formed in 1987 to replace the Australian Atomic Energy Commission. Its head office and main facilities are in southern outskirts of Sydney at Lucas Heights, in the Sutherland Shire.

The Open-pool Australian lightwater reactor (OPAL) is a 20 megawatt (MW) swimming pool nuclear research reactor. Officially opened in April 2007, it replaced the High Flux Australian Reactor as Australia's only nuclear reactor, and is located at the Australian Nuclear Science and Technology Organisation (ANSTO) Research Establishment in Lucas Heights, New South Wales, a suburb of Sydney. Both OPAL and its predecessor have been commonly known simply as the Lucas Heights reactor.

MOATA was a 100 kW thermal Argonaut class reactor built at the Australian Atomic Energy Commission (later ANSTO) Research Establishment at Lucas Heights, Sydney. MOATA went critical at 5:50am on 10 April 1961 and ended operations on 31 May 1995. MOATA was the first reactor to be decommissioned in Australia in 2009.

The High Flux Australian Reactor (HIFAR) was Australia's first nuclear reactor. It was built at the Australian Atomic Energy Commission (later ANSTO) Research Establishment at Lucas Heights, Sydney. The reactor was in operation between 1958 and 2007, when it was superseded by the Open-pool Australian lightwater reactor, also in Lucas Heights.

The Lucas Watermills Archaeological Sites are two heritage-listed archaeological sites in Sydney, New South Wales, Australia. The sites comprise the remnants of two convict-era watermills, the Brisbane Mill on the Williams Creek at Creekwood Reserve, Voyager Point and the Woronora Mill on the Woronora River at Barden Ridge. The original watermills were designed by John Lucas and built from 1822 to 1825 by assigned convict labour. The sites were added to the New South Wales State Heritage Register on 30 August 2017.

Shire Christian School is an independent non-denominational Christian co-educational early learning, primary and secondary day school, located in Barden Ridge, a suburb in the Sutherland Shire area of Sydney, New South Wales, Australia. The school was founded as Sutherland Shire Christian School in 1977 by a group of local parents who felt a calling to provide their children with an environment in which to gain an education taught from a Christian perspective. They believed that these features were not to be seen in a public state school; because of this the school upholds a strong Christian ethos that influences most parts of school life. In 2015 the school jumped nearly 200 places and ranked 65th in the State in NSW Higher School Certificate (HSC) results.

Barden Ridge is a suburb in southern Sydney, in the state of New South Wales, Australia. Barden Ridge is located 29 kilometres south of the Sydney central business district in the local government area of the Sutherland Shire. Barden Ridge is colloquially known to locals as 'The Ridge'.

Menai is a suburb in southern Sydney, in the state of New South Wales, Australia 29 kilometres south of the Sydney central business district in the local government area of the Sutherland Shire.

The Tharawal people and other variants, are an Aboriginal Australian people, identified by the Yuin language. Traditionally, they lived as hunter–fisher–gatherers in family groups or clans with ties of kinship, scattered along the coastal area of what is now the Sydney basin in New South Wales.

The Eora (also Yura) are an Aboriginal Australian people of New South Wales. Eora is the name given by the earliest European settlers to a group of Aboriginal people belonging to the clans along the coastal area of what is now known as the Sydney basin, in New South Wales, Australia. The Eora share a language with the Darug people, whose traditional lands lie further inland, to the west of the Eora. Contact with the first white settlement's bridgehead into Australia quickly devastated much of the population through epidemics of smallpox and other diseases. Their descendants live on, though their languages, social system, way of life and traditions are mostly lost. Radiocarbon dating suggests human activity occurred in and around Sydney for at least 30,000 years, in the Upper Paleolithic period. However, numerous Aboriginal stone tools found in Sydney's far western suburbs gravel sediments were dated to be from 45,000 to 50,000 years BP, which would mean that humans could have been in the region earlier than thought.

The Division of Hughes is an Australian electoral division in the state of New South Wales.