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Lake Ontario is the easternmost of the Great Lakes and the smallest in surface area (7,340 sq mi, 19,000 km 2), [5] although it exceeds Lake Erie in volume (393 cu mi, 1,640 km 3). It is the 13th largest lake in the world. When its islands are included, the lake's shoreline is 712 miles (1,146 km) long. As the last lake in the Great Lakes ...
Sep 5, 2024 · Lake Ontario, smallest and most easterly of the Great Lakes of North America. It is bounded on the north by Ontario (Can.) and on the south by New York (U.S.). The lake is roughly elliptical; its major axis, 193 miles (311 km) long, lies nearly east to west, and its greatest width is 53 miles (85 km). The total area of the lake’s drainage ...
- The Editors of Encyclopaedia Britannica
Lake Ontario. Lake Ontario is 18,960 km 2 (10,000 km 2 in Canada), with a drainage area of 60,030 km 2, an elevation of 75 m, a mean depth of 86 m (max 244 m), length 311 km and width 85 km. It is the smallest in surface area and most easterly of the Great Lakes and eighth-largest body of fresh water in North America.
- Geography
- Geology
- Climate
- Islands
- Flora and Fauna
- Brief History
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Lake Ontario is roughly elliptical in shape and has a length of 311km and a maximum width of 85km. The lake has a mean surface elevation of 74m, which is considered to be the lowest among the Great Lakes. Lake Ontario has an average depth of 86m and reaches a maximum depth of 244m. The lake holds approximately four times the volume of water (1,640 ...
Geological studies have revealed that during the last glacial period, the lake’s basin was carved from soft, Silurian-age rocks by the Wisconsin ice sheet. During the last ice age, the lake formed a part of the larger Glacial Lake Iroquois and drained into the Mohawk River via the present-day city of Syracuse in the US State of New York. The Mohawk...
Due to the lake’s depth, the lake does not completely freeze during the winter months. The lake only freezes around its edges and therefore the ice-bound harbors remain closed from the mid of December to the mid of April. The water temperatures of the lake rise to 24°C during August and fall as low as 3°C during February. Lake Ontario faces a “seic...
The islands of Lake Ontario are mainly located on the northeastern and eastern shores of the lake, between the lake’s outlet at the city of Kingston and the headland of Prince Edward County. All the islands are underlined by a basement rock that is found throughout the region. Some of the major islands of Lake Ontario include Toronto Islands, Wolfe...
The shores of the lakes are covered by deciduous forests with major trees like oak, maple, basswood, ash, etc. However, in some areas over 90% of the forest cover has been lost to agriculture and urbanization. The extensive freshwater marshes, dunes, and wetlands provide support to several floral and faunal species. Coho salmon, Chinook salmon, lak...
During the pre-Columbian era, the lake served as a boundary between the Iroquois Confederacy and the Huron people. The lake’s name has been derived from the Huron term ‘Ontarí’io’, which means “great lake”. During the 15th century, the Huron people were driven out from Southern Ontario by the Iroquois. The Iroquois eventually settled on the norther...
The Niagara River and the Welland Canal serves as a connection between Lake Ontario and Lake Erie. The Trent Canal links Lake Ontario with the New York State Barge Canal and Georgian Bay. The Rideau Canal links Lake Ontario in the city of Kingston with the Ottawa river in the city of Ottawa. Toronto, the largest city of Canada is located along the ...
- Diptarka Ghosh
Jun 30, 2017 · Lake Ontario is the smallest of all the Great Lakes, with a surface area of 7,340 square miles (18,960 square kilometers), but its waters run deep. It holds about four times the water volume, at ...
- Kim Ann Zimmermann
Lake Ontario in a nutshell. The 14th largest lake in the world by surface area. The smallest lake by surface area of all the Great Lakes. Has an average depth of 86 m (283 ft) and a maximum depth of 244 m (800 ft) The last (most easterly) lake in the chain of Great Lakes, leading directly to the St. Lawrence River and out to the Atlantic Ocean.
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Average elevation: 214 m • Lake Ontario, Ontario, Canada • Lake Ontario is the easternmost of the Great Lakes and the smallest in surface area (7,340 sq mi, 18,960 km2), although it exceeds Lake Erie in volume (393 cu mi, 1,639 km3). It is the 13th largest lake in the world. When its islands are included, the lake's shoreline is 712 miles (1,146 km) long. As the last lake in the Great ...
