Lake Ontario Topographic Map

Lake Ontario is one of the five Great Lakes of North America. It is bounded on the north, west, and southwest by the Canadian province of Ontario, and on the south and east by the U.S. state of New York. The Canada–United States border spans the centre of the lake.
  • Location: North America
  • Group: Great Lakes
  • Lake type: Glacial
  • Etymology: Ontarí:io, a Huron (Wyandot) word meaning "great lake"
  • Primary inflows: Niagara River
  • Primary outflows: St. Lawrence River
  • Catchment area: 24,720 sq mi (64,000 km²)
Data from: en.wikipedia.org