Lac Seul is a large, crescent shaped 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 northwestern 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...

. It is approximately 241 km (149.8 mi) long. It has a maximum (regulated) depth of 47.2 m, with a surface elevation of 357 m above sea level. It is the second largest body of water entirely within the province of Ontario. The lake consists of open water bays, narrow channels, and islands. It is a relatively shallow lake with many rock shoals. This provides a good habitat for 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...

 and Northern pike

Northern Pike

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

 as well as Bass

Bass (fish)

Bass is a name shared by many different species of popular gamefish. The term encompasses both freshwater and marine species. All belong to the large order Perciformes, or perch-like fishes, and in fact the word bass comes from Middle English bars, meaning "perch."-Types of basses:*The temperate...

, Perch

Perch

Perch is a common name for fish of the genus Perca, freshwater gamefish belonging to the family Percidae. The perch, of which there are three species in different geographical areas, lend their name to a large order of vertebrates: the Perciformes, from the Greek perke meaning spotted, and the...

, and Muskie

Muskellunge

A muskellunge , also known as a muskelunge, muscallonge, milliganong, or maskinonge , is a large, relatively uncommon freshwater fish of North America. Muskellunge are the largest member of the pike family, Esocidae...

. Lac Seul is noted for offering some of the best fishing in Ontario.

Lac Seul is located on the former lake bend of Glacial Lake Agassiz

Lake Agassiz

Lake Agassiz was an immense glacial lake located in the center of North America. Fed by glacial runoff at the end of the last glacial period, its area was larger than all of the modern Great Lakes combined, and it held more water than contained by all lakes in the world today.-Conception:First...

. Owing to this previous lake, much of the bottom of Lac Seul is covered with thick deposits of lacustrine silts and varved clay of varying thickness. The water of Lac Seul is tea colored. In clear water Walleye only feed at dusk and dawn because of their light-sensitive eyes, but because of the tea color of Lac Seul, it provides excellent Walleye and Northern Pike angling opportunities throughout the day.

Lac Seul appreciates some of the finest trophy Northern Pike and Walleye and also provides access to the vast, practically untouched wilderness surrounding it.

The natural capacity of Lac Seul is augmented by the diversion of water from the Albany River

Albany River

The Albany River is a river in Northern Ontario, Canada, which flows northeast from Lake St. Joseph in Northwestern Ontario and empties into James Bay. It is long to the head of the Cat River, tying it with the Severn River for the title of longest river in Ontario...

 drainage basin

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...

 at Lake St. Joseph

Lake St. Joseph

Lake St. Joseph is a large body of water located in Northwestern Ontario. It is accessed by Highway 599 from the town of Ignace. The closest town is Pickle Lake. This lake is a large freshwater fishery with a wilderness designation. Persons wishing to fish this lake must receive a special...

, allowing hydroelectric stations at Ear Falls

Ear Falls, Ontario

Ear Falls is a small settlement and township located in Northwestern Ontario, Canada, on the right bank of the English River near the outlet of Lac Seul...

 where the English River

English River (Ontario)

The English River flows through Lac Seul to join the Winnipeg River. The river is 615 km in length. There are several hydroelectric plants on this river.Tributaries of this river include the Vermilion River and the Wabigoon River...

 leaves the lake, and Manitou Falls, 30 km downstream, to generate 90600 kW of electricity.

Near-by communities

• Ear Falls, Ontario
  Ear Falls, Ontario
  Ear Falls is a small settlement and township located in Northwestern Ontario, Canada, on the right bank of the English River near the outlet of Lac Seul...
  
  
• Goldpines, Ontario
• Lac Seul First Nation
  Lac Seul First Nation
  Lac Seul First Nation is located on the southeastern shores of Lac Seul, northeast of the city of Dryden, Ontario. Though Lac Seul First Nation is a treaty signatory to Treaty 3, the First Nation is a member of the Independent First Nations Alliance, a regional tribal council and a member of the...
  
   - Lac Seul 28 Indian Reserve
• Lac Seul Post, Ontario
• Sioux Lookout, Ontario
  Sioux Lookout, Ontario
  Sioux Lookout is a town in Northwestern Ontario, Canada. It has a population of 5,336 and an elevation of 1280 ft / 390 m. Known locally as the "Hub of the North", it is serviced by the Sioux Lookout Airport, Highway 72, and the Sioux Lookout railway station...
  
  
• Wabauskang First Nation - Wabauskang 21 Indian Reserve