The Old Woman River is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in the Algoma District

Algoma District, Ontario

Algoma District is a district and census division in Northeastern Ontario in the Canadian province of Ontario. It was created in 1858 comprising territory as far west as Minnesota...

 of Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 which empties into Old Woman Bay on Lake Superior

Lake Superior

Lake Superior is the largest of the five traditionally-demarcated Great Lakes of North America. It is bounded to the north by the Canadian province of Ontario and the U.S. state of Minnesota, and to the south by the U.S. states of Wisconsin and Michigan. It is the largest freshwater lake in the...

 south of Wawa, Ontario

Wawa, Ontario

Wawa is a township in the Canadian province of Ontario, located within the Algoma District. Formerly known as the township of Michipicoten, the township was officially renamed for its largest and best-known community in 2009....

. It flows through Lake Superior Provincial Park

Lake Superior Provincial Park

Lake Superior Provincial Park is one of the largest provincial parks in Ontario, covering about along the northeastern shores of Lake Superior between Wawa and Sault Ste. Marie in Algoma District, Northeastern Ontario, Canada...

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The river follows a fault

Geologic fault

In geology, a fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement along the fractures as a result of earth movement. Large faults within the Earth's crust result from the action of tectonic forces...

 which became a spillway for glacial

Glacier

A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

 meltwater following the last ice age

Ice age

An ice age or, more precisely, glacial age, is a generic geological period of long-term reduction in the temperature of the Earth's surface and atmosphere, resulting in the presence or expansion of continental ice sheets, polar ice sheets and alpine glaciers...

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Towering cliffs along the bay have been home to peregrine falcon

Peregrine Falcon

The Peregrine Falcon , also known as the Peregrine, and historically as the Duck Hawk in North America, is a widespread bird of prey in the family Falconidae. A large, crow-sized falcon, it has a blue-gray back, barred white underparts, and a black head and "moustache"...

s.

The name for the bay and river come from a rock formation near the river's mouth that resembles the face of an old woman.