OB Flat

OB Flat is a south-eastern suburb of Mount Gambier in South Australia.

OB Flat Mount Gambier, South Australia
OB Flat
Coordinates	37°53′22″S 140°46′24″E[1]
Population	470 (SAL 2021)[2]
Established	1860[3]
Postcode(s)	5291
LGA(s)	District Council of Grant[3] City of Mount Gambier
Region	Limestone Coast[4]
County	Grey[3]
State electorate(s)	Mount Gambier[5]
Federal division(s)	Barker[6]
Mean max temp[7] Mean min temp[7] Annual rainfall[7] 19.0 °C 66 °F 8.2 °C 47 °F 712.4 mm 28 in
Suburbs around OB Flat: Mount Gambier Mount Gambier Mount Gambier Moorak Mount Schank OB Flat Yahl Square Mile Yahl Mount Schank Mount Schank Caveton Caveton
Footnotes	Locations[3] Adjoining localities[3]

The name for this suburb is believed to derive from a herd of cattle bearing the brand "OB" (owned by O. Beswick) which once roamed in the area.^[3]

OB Flat is located within the federal division of Barker, the state electoral district of Mount Gambier and the local government areas of the District Council of Grant and the City of Mount Gambier.^[6][5][3] It is also part of Mount Gambier’s urban sprawl.