





The Red Deer River is a river in Alberta, Canada. It is a major tributary of the South Saskatchewan River and is part of the larger Saskatchewan-Nelson system that empties into Hudson Bay. The river originates on the eastern slopes of the Canadian Rockies, in the Sawback Range near the Skoki Valley inside Banff National Park, and then flows east through the mountains and foothills region. It turns north-east before Sundre and keeps this heading to the city of Red Deer, where it turns east, and then south before Stettler. Red Deer River has a total length of 724 kilometres (450 mi) and a drainage area of 45,100 square kilometres (17,400 sq mi).