Roys Point Marina

Bayfield, Wisconsin

Lake Superior Fun Facts

·  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.
·  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 youngestmajor 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 andclearest 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 Superiorthan 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.