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 |