Lake Ontario

Lake Ontario is the 14th largest freshwater lake in the world based on surface area.  However, it is the smallest of the Great Lakes based on surface area.

Surface Area: 7,340 square miles
Volume: 393 cubic miles
Length: 193 miles
Width: 53 miles 
Shoreline: 712 miles 
Maximum Depth: 802 feet
Average Depth: 283 feet
Total Basin Drainage: 24,720 square miles
Retention/Replacement Time: 6 years 
Outlet: St. Lawrence River to the Atlantic Ocean
Major Diversions: None 
Point of Interest: Home to the oldest lighthouse on the U.S. side of the Great Lakes

Toronto skyline on Lake Ontario.