Lithgow is a city situated in New South Wales, Australia and is the centre of the local political division City of Lithgow. It is located in a mountain valley named Lithgow's Valley by John Oxley in honour of William Lithgow, the first Auditor-General of New South Wales. Lithgow is located on the Great Western Highway, about or two hours drive west of Sydney, or via the old mountain route, Bells Line of Road, from Windsor.Lithgow is surrounded by a varied landscape which includes national parks, one of which, the Blue Mountains National Park, is a World Heritage Area. The Wollemi National Park is home to the Jurassic-age tree the Wollemi Pine, which was found growing in a remote canyon in the park.

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