Beaconsfield is a former gold mining town near the Tamar River, in the north-east of Tasmania, Australia. It lies 40 kilometres north of Launc…Beaconsfield is a former gold mining town near the Tamar River, in the north-east of Tasmania, Australia. It lies 40 kilometres north of Launceston on the West Tamar Highway. It is a rural and residential locality in the local government areas of West Tamar and Latrobe in the Launceston and North-west and west LGA regions of Tasmania. The 2016 census has a population of 1298 for the state suburb of Beaconsfield.