Upper Redwater Lake is a narrow freshwater 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 municipality of Temagami

Temagami, Ontario

Temagami, formerly spelt as Timagami, is a region and a municipality in northeastern Ontario, Canada, in the District of Nipissing with Lake Temagami at its heart....

 of Northeastern Ontario

Northeastern Ontario

Northeastern Ontario is the region within the Canadian province of Ontario which lies north and east of Lakes Superior and Huron.Northeastern Ontario consists of the districts of Algoma, Sudbury, Cochrane, Timiskaming, Nipissing and Manitoulin; and the single-tier municipality of Greater...

, 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...

, located southeast of the former Rabbit Creek ballast pit along Rabbit Creek Road that comes out at Highway 11

Highway 11 (Ontario)

King's Highway 11 is a provincially maintained highway in the Canadian province of Ontario. At , it is the second longest highway in the province after Highway 17. Highway 11 begins at Highway 400 in Barrie, and arches through northern Ontario, around Lake Superior, to the Ontario–Minnesota border...

. The settlement of Redwater

Redwater, Ontario

Redwater is a locality in the municipality of Temagami in the Nipissing District of Northeastern Ontario, Canada, located on the shores of Lower and Upper Redwater lakes along the Ontario Northland Railway...

 is located on the southeastern shore of Upper Redwater Lake and the Ontario Northland Railway

Ontario Northland Railway

The Ontario Northland Railway is a Canadian railway operated by the Ontario Northland Transportation Commission, a provincial Crown agency of the government of Ontario....

 mainline runs along its entire western shore. Its northern end is crossed by the Ontario Northland Railway where the lake sways northeastwards. At the southern end of the lake is a strait

Strait

A strait or straits is a narrow, typically navigable channel of water that connects two larger, navigable bodies of water. It most commonly refers to a channel of water that lies between two land masses, but it may also refer to a navigable channel through a body of water that is otherwise not...

 that connects Upper Redwater Lake with Lower Redwater Lake.

Upper Redwater Lake contains fish populations of walleye

Walleye

Walleye is a freshwater perciform fish native to most of Canada and to the northern United States. It is a North American close relative of the European pikeperch...

, smallmouth bass

Smallmouth bass

The smallmouth bass is a species of freshwater fish in the sunfish family of the order Perciformes. It is the type species of its genus...

 and northern pike

Northern Pike

The northern pike , is a species of carnivorous fish of the genus Esox...

.