The Bremer River is a river in South Australia

South Australia

South Australia is a state of Australia in the southern central part of the country. It covers some of the most arid parts of the continent; with a total land area of , it is the fourth largest of Australia's six states and two territories.South Australia shares borders with all of the mainland...

 that rises on the eastern side of the Mount Lofty Ranges

Mount Lofty Ranges

The Mount Lofty Ranges are the range of mountains just to the east of Adelaide in South Australia.-Location and description:The Mount Lofty Ranges stretch from the southernmost point of the Fleurieu Peninsula at Cape Jervis northwards for over before petering out north of Peterborough...

 at an altitude of 431 metres and drains into Lake Alexandrina

Lake Alexandrina (South Australia)

Lake Alexandrina is a lake in South Australia adjacent to the coast of the Southern Ocean, about 100 kilometres south-east of Adelaide.-Name:The lake was named after Princess Alexandrina, niece and successor of King William IV of Great Britain and Ireland...

 at the lower end of the Murray-Darling Basin

Murray-Darling Basin

The Murray-Darling basin is a large geographical area in the interior of southeastern Australia, whose name is derived from its two major rivers, the Murray River and the Darling River. It drains one-seventh of the Australian land mass, and is currently by far the most significant agricultural...

. Major tributaries of the Bremer River are Mount Barker Creek (draining the town of Mount Barker

Mount Barker, South Australia

Mount Barker is an expanding city, home to 10 258 residents that is 33 kilometres up the South Eastern Freeway, east of Adelaide, in South Australia. It is the seat of the District Council of Mount Barker, is the largest town in the Adelaide Hills, and is one of the fastest growing areas in the...

) and Dawesley Creek (rising near Brukunga

Brukunga, South Australia

Brukunga is a small town in the Adelaide Hills, located approximately 40 km east of Adelaide and 4 km north of the town of Nairne. At the 2006 census, Brukunga had a population of 579....

)

The largest town in the catchment area is Mount Barker

Mount Barker, South Australia

Mount Barker is an expanding city, home to 10 258 residents that is 33 kilometres up the South Eastern Freeway, east of Adelaide, in South Australia. It is the seat of the District Council of Mount Barker, is the largest town in the Adelaide Hills, and is one of the fastest growing areas in the...

. Other towns include Nairne

Nairne, South Australia

Nairne is a small township in South Australia and was founded by Matthew Smillie in 1839. Nairne is about 7 km from Mount Barker, in the federal Division of Mayo and in the state electoral district of Kavel...

 and Kanmantoo. Towns on the Bremer River itself include Harrogate

Harrogate, South Australia

Harrogate is a small South Australian town, located in the Adelaide Hills on the banks of the Bremer River. It was founded in 1858 and is believed to be named after Harrogate, North Yorkshire, in England by John Baker. The town has a number of historic buildings, dating back to the mid-19th...

, Callington

Callington, South Australia

Callington is a small town in the Adelaide Hills, in South Australia. Callington is situated on the Bremer River, and is adjacent to the South Eastern Freeway. Callington is located within the state electoral district of Kavel and the federal division of Mayo...

 and Langhorne Creek

Langhorne Creek, South Australia

Langhorne Creek is a town and wine region in South Australia. It is less than an hour's drive from Adelaide on Fleurieu Peninsula. At the 2006 census, Langhorne Creek had a population of 1,198.-Wine Industry:...

, where the floodwaters are used to irrigate the local vineyards.