Mount Kosciuszko is a mountain located on the Main Range of the Snowy Mountains in Kosciuszko National Park, part of the Australian Alps National Parks and Reserves, in New South Wales, Australia and is located west of Crackenback and close to Jindabyne.

With a height of 2,228 metres (7,310 ft) above sea level, it is the highest mountain in Australia. Various measurements of the peak originally called Kosciuszko showed it to be slightly lower than its neighbour, Mount Townsend. The names of the mountains were swapped by the New South Wales Lands Department in 1892 so that Mount Kosciuszko remains the name of the highest peak of Australia, and Mount Townsend ranks as second.

It was named by the Polish explorer Pawel Edmund Strzelecki in 1840, in honour of the Polish-Lithuanian national hero, General Tadeusz Kościuszko, because of its perceived resemblance to the Kościuszko Mound in Kraków. The name of the mountain was previously spelt "Mount Kosciusko", an Anglicisation, but the spelling "Mount Kosciuszko" was officially adopted in 1997 by the Geographical Names Board of New South Wales.

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