 The Red Deer River arises in east central Saskatchewan and flows east through Red Deer Lake into Dawson Bay of Lake Winnipegosis.To the north of its basin is that of the Saskatchewan River and to the southwest that of the upper Assiniboine River and to the southeast that of the Swan River (Manitoba-Saskatchewan)

Fort Red Deer River or Fort Rivière la Biche was a North West Company trading post on the Red Deer River near the town of Hudson Bay, Saskatchewan.It was founded in 1794 by Hugh McGillis, and its date of closure is uncertain.