Jamestown is a town in the Mid North region of South Australia 207 kilometres (129 mi) north of Adelaide? It is on the banks of the Belalie Creek and on the railway line between Gladstone and Peterborough, and ultimately on the main line linking Adelaide and Perth to Sydney.
Jamestown (originally James Town) was named after Sir James Fergusson, the Governor of South Australia when the town was surveyed in 1871. Its streets are all named for towns in his native Scotland
Major products of the area are grain, legumes, wool and timber. The world's first plantation forest was the Bundaleer Forest first planted in the area in 1876.
Jamestown is the birthplace of Australian bush legend, Reginald Murray Williams (1908–2003), better known as R. M. Williams, the bush outfitter, and Sir Raphael Cilento (1893–1985), tropical medicine pioneer, noted public servant and father of actress Diane Cilento.