LAKE SUPERIOR FACTS

Big lake....... Pretty amazing..... Did you realize  

how big this lake is?

·    Lake Superior contains ten percent of all the fresh 

water on the planet Earth.

·  It covers 82,000 square kilometers or 31,700 square miles.

·  The average depth is 147 meters or 483 feet.

·  There have been about 350 shipwrecks recorded in Lake Superior

·  Lake Superior is, by surface area, the largest lake in the world.

· A Jesuit priest in 1668 named it Lac Tracy , but that name 

was never officially adopted.

·  It contains as much water as all the other Great Lakes 

combined, plus three extra Lake Erie 's!!

·  There is a small outflow from the lake at St. Mary's River 

(Sault Ste Marie) into Lake Huron , but it takes almost 

two centuries for the water to be completely replaced.

·  There is enough water in Lake Superior to cover all of North and 

South America with water one foot deep.

·  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 

largest source being the Nipigon River

·  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 

western shore of Lake Superior than at its southeastern edge.

·  Some of the world's oldest rocks, formed about 2.7 billion 

years ago, can be found on the Ontario shore of Lake Superior .

·  It very rarely freezes over completely, and then usually just for a few 

hours.  Complete freezing occurred in 1962, 1979, 2003 and 2009.