Portage la Prairie is a small city in the Central Plains Region of Manitoba, Canada. As of 2011, the population was 12,996 and the land area of the city was . Portage la Prairie is located approximately west of Winnipeg, along the Trans-Canada Highway (located exactly between the provincial boundaries of Saskatchewan and Ontario), and sits on the Assiniboine River, which flooded the town persistently until a diversion channel north to Lake Manitoba (the Portage Diversion) was built to divert the flood waters. The city is surrounded by the Rural Municipality of Portage la Prairie.
According to Environment Canada, Portage la Prairie has the most sunny days during the warm months in Canada.