Wycheproof /ˈwɪtʃɨpruːf/ is a small regional locality in the centre of the Shire of Buloke, in north western Victoria, Australia. As of the 2011 census, it had a population of 789. The name, Wycheproof, originates from an aboriginal word meaning 'grass on a hill', referring to Mount Wycheproof just off the Calder Highway, which is the smallest registered mountain in the world, standing at 148 metres (486 ft) above sea level or 43 metres (141 ft) above the surrounding plains.