Facts about Lake Superior:
It contains as much water as all the other Great Lakes
There is a small outflow from the lake at St. Mary's River
There is enough water in Lake Superior to cover all of North and
Lake Superior was formed during the last glacial retreat, making it one of the earth's youngest major features at only about 10,000 years old.
The deepest point in the lake is 405 meters or 1,333 feet.
There are 78 different species of fish that call the big lake home.
The maximum wave ever recorded on Lake Superior was 9.45 meters or 31 feet high.
If you stretched the shoreline of Lake Superior out to a
straight line, it would be long enough to reach from
Duluth to the Bahamas .
Over 300 streams and rivers empty into Lake Superior with the
The average underwater visibility of Lake Superior is about 8 meters or 27 feet, making it the cleanest and clearest of the Great Lakes . Underwater visibility in some
spots reaches 30 meters.
In the summer, the sun sets more than 35 minutes later on the
Some of the world's oldest rocks, formed about 2.7 billion
It very rarely freezes over completely, and then usually just for a few hours. Complete freezing occurred in 1962, 1979, 2003
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