Great Lakes is about 3 times bigger than Lake Superior.

Lake Superior is approximately 82,350 km² (31,795 sq mi), while Great Lakes is approximately 243,839 km² (94,147 sq mi), making Great Lakes 196% larger than Lake Superior.
Tip: This to-scale comparison of Lake Superior vs. Great Lakes uses the Mercator projection, which distorts the size of regions near the poles.
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