Kunashir Island Kunashir Island Kunashir Island (; , "Kunashiri-tō"; or クナシㇽ, "Kunasir"), possibly meaning "Black Island" or "Grass Island" in Ainu, is the southernmost island of the Kuril Islands, an archipelago under Russian control, among which Kunashir Island and another three islands are claimed by Japan (see Kuril Islands dispute). It lies between the straits of Kunashir Island, Catherine, Izmena, and South Kuril. Kunashir Island is visible from the nearby Japanese island of Hokkaido, from which it is separated by the Nemuro Strait. Kunashir Island is formed by four volcanoes which were separate islands but have since joined together by low-lying areas
Straits of Mackinac the Mackinac Bridge. Before the bridge was built, car ferries transported vehicles across the straits. Today passenger-only ferries carry people to Mackinac Island, which does not permit cars. Visitors can take their vehicles on a car ferry to Bois Blanc Island. The straits are shallow and narrow enough to freeze over in the winter. Navigation is ensured for year-round shipping to the Lower Great Lakes by the use of icebreakers. The straits were an important Native American and fur trade route. The Straits of Mackinac are named after Mackinac Island. The local Ojibwe Native Americans in the Straits of Mackinac