Abernethy is a small town in the City of Cessnock, in the Hunter Region in the state of New South Wales, Australia. Abernethy is located 8 kilometres south-east of the town of Cessnock, NSW and is adjacent to Werakata National Park and the . The town was founded near a coal mine and some of the historic buildings remain (including the Abernethy Hotel which now operates as a guest house). In 2016 348 lived there with the median age being 32 and 74.8% being born in Australia.