Swan Reach is a river port in South Australia 127 km north-east of Adelaide on the Murray River between Blanchetown and Mannum in South Australia. It is on the left (or east) bank of the river. The Swan Reach Ferry is a cable ferry crossing operated by the state government as part of the state's road network. Swan Reach, with all parts below Lock #1, is also one of the lowest parts of the river. It is currently (2009–2010) about 1.5 metres below its normal level. At the 2006 census, Swan Reach had a population of 235.