Lake Ontario Facts
- Lake Name: Lake Ontario
- Average Depth: 283 feet
- Maximum Depth: 804 feet
- Elevation: 246 feet
- Surface Area: 7,340 mi2
- Water Volume: 393 mi3
22 Lake Ontario Facts for Kids
- Lake Ontario is one of the five freshwater Great Lakes of North America.
- Lake Ontario is one of the largest freshwater bodies of water in the world.
- The shoreline of Lake Ontario borders New York (U.S. State) and the Canadian province of Ontario.
- Lake Ontario is the only one of the five Great Lakes that doesn’t have a shoreline along Michigan (U.S. State).
- The most populated city along Lake Ontario is Toronto, Ontario, Canada.
- A few other populated cities along Lake Ontario are Rochester (New York, USA) and Hamilton (Ontario, Canada).
- Lake Ontario contains about 393 cubic miles of water.
- Lake Ontario contains the second least amount of water out of the five Great Lakes.
- Lake Ontario is the twelfth largest lake in the world by water volume.
- The surface of Lake Ontario covers 7,430 square miles.
- Lake Ontario has the least amount of surface area of the five Great Lakes.
- Lake Ontario is the thirteenth largest lake in the world by surface area.
- The average depth of Lake Ontario is 283 feet and the deepest part is 804 feet.
- Lake Ontario is the third deepest of the five Great Lakes.
- Lake Ontario is at an average of 283 feet above sea level.
- The largest island on Lake Ontario is Wolfe Island in Ontario, Canada.
- The main water inlet for Lake Ontario is the Niagara River, which is the main water outlet for Lake Erie.
- A few other water inlets into Lake Ontario are the Don River, Black River and Trent River.
- The man water outlet for Lake Ontario is the Saint Lawrence River, which leads to the Atlantic Ocean.
- Zebra mussels are an invasive species in Lake Ontario and have caused major damage to its ecosystem.
- Canadian distance swimmer Marilyn Bell was the first person to swim across Lake Ontario in 1954.
- Canadian Annaleise Carr became the youngest person to swim across Lake Ontario in 2012.
Pictures of Lake Ontario
A picture of Lake Ontario and the Toronto skyline.
A picture of ducks and seagulls on Lake Ontario.
A picture of Lake Ontario during a winterstorm.
Additional Resources on Lake Ontario
- About Lake Ontario (Great Lake) – Discover more facts and information about Lake Ontario on the U.S. EPA website.
- Lake Ontario Stats – Learn more stats and facts about Lake Ontario on the Michigan State University website.
- Maps for Lake Ontario – View satellite and topographical maps of Lake Ontario on the Geology website.
- Lake Ontario – Britannica – Explore the Britannica website to learn more about Lake Ontario.