M-185, the highway that encircles Mackinac Island, is impassible starting at Arch Rock and heading north toward British Landing. From British Landing toward the Mackinac Island Public School it is passable, but with large amounts of debris alongside the roads. Arch Rock, Sugar Loaf, and Fort Holmes are all closed to visitors at this time. All hiking trails are currently clos
Mackinac State Historic Parks are working to get roads at least passable before moving to interior trails. Some trails may not be available for large chunks of the 2025 tourist season. Staff strongly suggests refraining from visiting any areas of Mackinac Island State Park until crews have been able to clear trees and debr
For the photo at left: green indicates roads are open with no restrictions; yellow indicates roads are passable but still have major debris; red roads are impassable. More information, and periodic updates, can be found here. A downloadable version of this release can be found here. Additional photos available upon request.