Since almost all the park roads are unplowed in winter, snowmobiling is the main way to travel during snow season. A number of unplowed roads lead to major points of interest within the national lakeshore, particularly Miners Castle and Log Slide.
Snowmobiles are permitted on unplowed park roads used by motorists in summer, as well as the frozen waters of Lake Superior and Grand Sable Lake.
View and download the Winter Road Closure Map (pdf).
These unplowed roads (and the shoulders of plowed park roads) are open to snowmobiling in conformance with state law. Snowmobiles are prohibited from cross-country travel and travelling on park trails (off road/trail travel). In other words: with the exception of the trail and lake areas listed below, snowmobiles are not permitted where motor vehicles are not allowed in summer.
Designated Snowmobile Routes
Last updated: November 17, 2022