Lake Superior is generally calm and easily paddled between early June and mid-August. Mornings tend to be best for paddling, but it is not unusual to have a glassy calm for days on end.
It is the deepest (1,335 feet) of the Great Lakes. If you go swimming there in the hottest part of the summer, you'll soon learn that Lake Superior is also the coldest of the Great Lakes - brrr, icy cold at an average temperature of 40° F (4°C).
Lake Michigan wrecks: the oldest and the mostestLake Michigan contains more shipwrecks than any of the other Great Lakes, as well as the oldest recorded one: the French ship Griffon, the first European vessel to sail the Lakes.
Lake Superior is the largest freshwater lake in the world by surface area and the third-largest by volume, holding 10% of the world's surface fresh water.
The average underwater visibility of Lake Superior is 27 feet, making it easily the cleanest and clearest of the Great Lakes. Underwater visibility in places reaches 100 feet. Lake Superior has been described as the most oligotrophic lake in the world.