Lake Ontario

Ontario, which lies on the eastern end of the region, has the smallest surface area of the five Great Lakes. It is 193 miles long and 53 miles wide. Its average depth is 283 feet.  

Ways to Connect

Floating condoms bring push for cleanup in Toronto

Aug 11, 2016

Toronto is one of the largest cities in the Great Lakes region and its long shoreline offers quick access to the cool waters of Lake Ontario.


More marine sanctuaries coming to Great Lakes

Aug 11, 2016

At the H. Lee White Maritime Museum in Oswego, N.Y., a popular exhibit is Derrick Boat 8, which came to rest at the bottom of Lake Ontario in 1984.


Downtown Rochester, N.Y., can feel a little removed from the Great Lakes. The front lawn of the Christ Church on East Avenue is almost 10 miles from the shores of Lake Ontario, which might be why some passers-by don’t recognize the lakes -- even when they’re standing right in front of them.

Gillibrand proposes invasive species legislation

Jul 18, 2016

The issue of invasive species threatening the region’s waterways is getting more attention. U.S. Sen. Kirsten Gillibrand, along with other state and local officials, gathered at Buffalo's Outer Harbor Monday to announce federal legislation aimed at preventing invasive species from entering the Great Lakes.

A schooner that sank off the shores of New York in Lake Ontario almost a century and a half ago has been discovered.

Underwater explorer Jim Kennard says he and his colleagues Roger Pawlowski and Roland Stevens were canvassing miles of lake bottom with a remote control video camera when it happened.

"All of a sudden you see something and the adrenaline kicks in."

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