The sea caves at the Apostle Islands National Lakeshore are unique and spectacular natural rock formations. These eroded sandstone formations were formed when lake water and waves eroded the soft sandstone near the water edge, yielding a series of caves carved out of the exposed sandstone cliffs.
In Lake Superior, many sea caves are located on two of the islands—Devils Island and Sand Island—as well as on a relatively remote area on the mainland near Meyers Beach. The mainland sea caves can be viewed from above on land by a rugged two-mile hike along the bluff top trail from the Meyers Beach parking lot, but the best way to see these rock formations is on the water.
...read the rest of the article on the Wisconsin Coastal Management website.
Read a recent article in the Summer 2009 Aquatic Sciences Chronicle for further information and to watch a video about the project.
Photo courtesy the National Park Service.
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