Hundreds of thousands, around 500,000 or more.
It depends on size. In the USA they use a small size for a minimum lake. In Canada we prefer to use 3 sq/km as a minimum. When that number is used Ontario has about 4,000 lakes and Canada between 30,000 and 40,000. It gets tricky in some places like Manitoba because many lakes are part of rivers flowing to Hudson Bay. It is all about definition.
ontario
Ontario is the province that has the border containing four Great Lakes. Ontario, Erie, Huron, Superior
Romania can contain approx. 12 lakes as Ontario.
There are many lakes on many maps including the one of the lakes of Michigan. These fives lakes are Huron, Ontario, Michigan, Eerie, and Superior.
Ontario
lake Ontario
Ontario covers all of the Great Lakes.
5 great lakes: Lakes Ontario, Huron, Superior, Erie ,and Michigan
Remember this little ditty. HOMES Huron, Ontario, Michigan, Erie, Superior.
31,752
Lakes Ontario and Erie
No, Ontario has 1 or 2 of the 5 great lakes, but not all.