The term 'Lake Superior's ISLE Royale' refers to an island located in Lake Superior, the largest of the Great Lakes. ISLE Royale is the largest island in the lake, measuring 45 miles in length and 9 miles in width. It is part of the U.S. state of Michigan and is known for its diverse wildlife, including wolves, moose, and foxes. The island is also home to a variety of plants and is a popular destination for hikers and campers.