List of lakes of Ontario

This is an incomplete list of lakes in Ontario, a province of Canada.

There are over 250,000 lakes in Ontario, constituting around 20% of the world's fresh water supply.

[1] This is a list of lakes of Ontario with an area larger than 400 km2 (150 sq mi).

[2][3][4]

Ontario relief map
Lake Superior at Neys Provincial Park Ontario
Lake Huron
Frozen Lake Erie
Looking east across Lake Ontario to Toronto
Scarborough bluffs Lake Ontario
Lake Nipigon
Rainy Lake from Tango Channel
Mazinaw Lake