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Lake Ontario

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Lake Ontario is one of the five Great Lakes.

Great Lakes Lake Ontario
Great Lakes Lake Ontario

It is in North America. Canada sits on the north and west sides. The United States is on the south and east sides. The border between the two countries runs through the middle of the lake.

Water flows into the lake from the Niagara River. It flows out through the Saint Lawrence River. This river leads to the Atlantic Ocean. The lake is the smallest Great Lake by surface area. However, it has more water than Lake Erie.

Lake Ontario Watershed
Lake Ontario Watershed

Many cities are near the water. Toronto and Hamilton are in Canada. Rochester and Watertown are in the U.S. The lake is very deep. In some parts, it is 802 feet deep.

Ontario Beach Park, Rochester, New York - 20201018 - 02
Ontario Beach Park, Rochester, New York - 20201018 - 02

In winter, the lake gets very cold. Most of the lake does not freeze. But, ice sheets often form along the shore. Sometimes, the whole lake freezes over. Cold winds blow over the water. These winds pick up moisture and make heavy snow. This is called lake-effect snow. Many plants and animals live in the wetlands near the shore.

Coastal marsh profile
Coastal marsh profile
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🖼️ Images & Media (15)
File:Lake Ontario Watershed.png
Lake Ontario Watershed.png
File:Great Lakes Lake Ontario.png
Great Lakes Lake Ontario.png
File:2Lake Ontario.JPG
2Lake Ontario.JPG
File:Coastal marsh profile.png
Coastal marsh profile.png
Lake Ontario food web.pdf
Iroquois Settlement on the north shore of...
File:United States sloop of war General Pike, commodore Chauncey, and the British sloop of war Wolf, Sir James Yeo, Preparing for action, September 28, 1813.jpg
United States sloop of war General Pike,...
File:Marilyn bell plaque 2015.jpg
Marilyn bell plaque 2015.jpg
File:Downtown from Ward's Island (11741021983).jpg
Downtown from Ward's Island (11741021983).jpg
File:Ontario Beach Park, Rochester, New York - 20201018 - 02.jpg
Ontario Beach Park, Rochester, New York -...
File:Amherst Island, Stella Village.jpg
Amherst Island, Stella Village.jpg
File:St. Lawrence Seaway locks and crossings.png
St. Lawrence Seaway locks and crossings.png

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