Renmark is a town in South Australia's rural Riverland area, and is located 254 km northeast of Adelaide, on the banks of the River Murray. The Sturt Highway between Adelaide and Sydney runs through the town; Renmark is the last major town encountered in South Australia when driving this route. It is 31 m above sea level. It is the oldest European settlement on the River Murray. At the 2006 census, Renmark had a population of 4,339.