Lake Ontario

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Introduction References & Edit History Related Topics

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St. Lawrence River

The Great Lakes and their drainage basin

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Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century.

6 Lakes That Are Drying Up

Lake Issyk-kul kyrgyzstan

9 of the World’s Deepest Lakes

Discover

Vietnam War. U.S. President Lyndon B. Johnson awards the Distinguished Service Cross to First Lieutenant Marty A. Hammer, during a visit to military personnel, Cam Ranh Bay, South Vietnam, October 26, 1966. President Johnson

Vietnam War Timeline

Chapter 4 pg 42 - Chapter header of The Adventures of Tom Sawyer by Mark Twain. Published in 1884 by The American Publishing Company

Periods of American Literature

Ice Sledge Hockey, Hockey Canada Cup, USA (left) vs Canada, 2009. UBC Thunderbird Arena, Vancouver, BC, competition site for Olympic ice hockey and Paralympic ice sledge hockey. Vancouver 2010 Olympic and Paralympic Winter Games, Vancouver Olympics

10 Best Hockey Players of All Time

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Attack on Pearl Harbor. December 7, 1941. Pearl Harbor infographic. World War II. Hawaii. United States. Japan. SPOTLIGHT VERSION

Attack on Pearl Harbor Timeline

January 21, 2019: Superbowl LIII will be played at Atlanta's Mercedes-Benz Stadium on Sunday, February 3, 2019 against the New England Patriots and the Los Angeles Rams.

What Was the Super Bowl’s First Blockbuster Commercial?

Young boys working in a thread spinning mill in Macon, Georgia, 1909. Boys are so small they have to climb onto the spinning frame to reach and fix broken threads and put back empty bobbins. Child labor. Industrial revolution

The Rise of the Machines: Pros and Cons of the Industrial Revolution

Lake Ontario: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

News •

Local angler catches nearly metre-long muskie in Toronto Harbour • Feb. 10, 2025, 9:03 AM ET (CBC)

Kingston and Lake Ontario communities brace for strong winds • Jan. 26, 2025, 10:06 PM ET (CBC)

Woman who died after car went into Lake Ontario was 'always with a smile', colleague says • Jan. 24, 2025, 2:41 AM ET (CBC)

Photos

St. Lawrence River

The Great Lakes and their drainage basin

See All Images →

Topics

Great Lakes Lake Tahoe Salton Sea Crater Lake Lake Superior Great Salt Lake Lake Erie Lake Michigan Lake Mead Lake Champlain

Dig Deeper: More Articles That Discuss This Topic

Great Lakes: Introduction

Quiz

Shallow staghorn water corals in fringing reef at low tide in Thailand. (coral reefs; endangered area; ocean habitat; sea habitat; coral reef)

Unknown Waters

water glass on white background. (drink; clear; clean water; liquid)

Water and its Varying Forms

List

Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century.

6 Lakes That Are Drying Up

Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century.

6 Lakes That Are Drying Up