Big Hawk Lake is a lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 in the Trent River

Trent River (Ontario)

The Trent River is a river in southeastern Ontario which flows from Rice Lake to empty into the Bay of Quinte on Lake Ontario. This river is part of the Trent-Severn Waterway which leads to Georgian Bay. The river is 90 km long...

 and Lake Ontario

Lake Ontario

Lake Ontario is one of the five Great Lakes of North America. It is bounded on the north and southwest by the Canadian province of Ontario, and on the south by the American state of New York. Ontario, Canada's most populous province, was named for the lake. In the Wyandot language, ontarío means...

 drainage basins

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

 in Algonquin Highlands, Haliburton County

Haliburton County, Ontario

Haliburton is a county of Ontario, Canada, known as a tourist and cottage area in Central Ontario for its scenery and for its resident artists. Minden Hills is the county seat. Haliburton County was established in 1983, but had existed as the Provisional County of Haliburton since 1874...

, 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...

.

The lake is about 4.7 kilometres (2.9 mi) long and 3.7 kilometres (2.3 mi) wide and lies at an elevation of 355 metres (1,165 ft) about 3 kilometres (1.9 mi) northeast of Ontario Highway 35. The primary inflow is the Kennisis River arriving from Nunikani Lake over Nunikani Dam at the north, and a channel from Little Hawk Lake at the south. Secondary inflows are Blackcat Creek at the northwest and unnamed creeks from Sherborne Lake and Big Brothe Lake at the west. The primary outflow, at the southwest and controlled by the Big Hawk Lake Dam, is the Kennisis River to Halls Lake.