Submit Club Submit Event Round Island Wilderness Located in the Hiawatha National Forest in Michigan. Round Island is located in Lake Huron, in the Straits of Mackinac, Mackinac County, Michigan. It lies approximately four miles southeast of the town of St. Ignace and one mile south of Mackinac Island. Round Island is also known by the Indian name Nissawinagong. No roads or developed trails exist on the island.
Access is by boat in the summer and over ice in the winter.
Several historic and prehistoric sites exist on the Island. The Round Island Lighthouse is the only permanent improvement on the island, however, the lighthouse is not a part of the wilderness. It occupies about one acre on a sand and cobblestone spit on the northwest corner of the island. The 378-acre Island is totally National Forest System land and is administered as a part of the St. Ignace Ranger District of the Hiawatha National Forest. The Island lies east of the Mackinac Bridge between Mackinac Island and Bois Blanc Island.