A lake is a waterbody surrounded by land. Canada is the country with the highest number of lakes of area at least 0.1 sq km. It is estimated that there are over 850,000 lakes in Canada with a surface area of at least 0.1 sq km. Canada also leads the world in terms of the number of freshwater lakes.
Lake Superior is the largest lake in Canada. It is one of the five great lakes of North America. Lake Superior has an area of 82,100 square kilometers and it is present both in Canada and United States. Great Bear Lake is the largest lake entirely within the borders of Canada. Great Bear Lake has an area of about 31,150 square kilometers and it is located in Northwest Territories.
After Canada, Russia has the most lakes followed by the United States of America.
Canada is the country with most lakes in the world.
Some famous lakes in Canada
| Lake | Area | Province/territory of Canada |
| Lake Superior | about 82,100 square kilometers | Ontario |
| Lake Huron | about 59,600 square kilometers | Ontario |
| Great Bear Lake | about 31,150 square kilometers | Northwest Territories |
| Lake Winnipeg | about 24,500 square kilometers | Manitoba |
| Moraine Lake | about 0.5 square kilometers | Alberta |
| Emerald Lake | about 0.9 square kilometers | British Columbia |
| Peyto Lake | about 5.5 square kilometers | Alberta |
| Lake Erie | about 25,670 square kilometers | Ontario |
| Lake Ontario | about 19,010 square kilometers | Ontario |
| Great Slave Lake | about 27,200 square kilometers | Northwest Territories |
| Reindeer Lake | about 6,650 square kilometers | Saskatchewan and Manitoba |