Grand Sable Dunes temporary closure to all public entry for visitor safety
Grand Sable Dunes are rapidly eroding into Sable Creek and Lake Superior. The area from the Ghost Forest Trail north to Lake Superior then along the shoreline to the west side of Sable Creek is temporarily closed. Follow closure signs for your safety. More »
In addition to insects and their relatives, many other forms of invertebrates live within Pictured Rocks National Lakeshore in both forest soils and aquatic ecosystems. Some of the most important and abundant are numerous species of zooplankton, tiny animals that form the base of many aquatic food chains. These include large numbers of minute crustaceans such as copepods, amphipods and native water fleas.
Photo by Minnesota Sea Grant
What are those "jelly blobs" on the beach?
Did You Know?
Chapel Lake is one of several plunge pool lakes created by post glacial rivers after the Marquette advance of the most recent ice age. Its greatest depth is 140 feet. Other plunge pool lakes include Deer Lake and Ginpole Lake in Alger County, home of Pictured Rocks National Lakeshore. More...