I'm sorry, but there is an error in the prompt. Isle Royale National Park is not located in the state of Tennessee. It is actually located in the state of Michigan.

Isle Royale National Park is a remote island wilderness in the middle of Lake Superior, and it is one of the least visited national parks in the United States. The park is known for its rugged wilderness, backcountry hiking and camping, and opportunities for wildlife viewing, particularly moose and wolves.

Some of the most popular points of interest in Isle Royale National Park include the scenic Rock Harbor Lighthouse, the ancient Native American copper mines, and the many hiking trails that crisscross the island. In addition to wildlife viewing, visitors can also enjoy fishing, kayaking, and boating.

One interesting fact about Isle Royale National Park is that it is home to one of the longest running predator-prey studies in the world, which has been tracking the interplay between wolves and moose on the island since the 1950s.

The best time of year to visit Isle Royale National Park is typically from late May through early September, when the weather is mild and the park is open to visitors. However, visitors should be prepared for unpredictable weather patterns and should plan accordingly.