Trail Overview
Federal Forest Service Road (FS) 3330, known as Koski Road/County Road 531 on the north portion and known as Ozark Road/27 Mile Road on the south portion. This route is a federally owned/ locally maintained, Level-2/ Level-3 forest road with a surface composition of dirt, sand, gravel, and native material. This route is currently open and in fair condition; it is not a DNR road (ORV use is subject to local government regulations). It connects FS 3122 - Kenneth to FS 3148 and ORV Route M to M-123 Tahquamenon Scenic Parkway. Description created on September 17, 2025.
Difficulty
Gravel, dirt, sandy road, unmaintained after rain or snow that may give rise to shallow water crossings and obstacles under 12 inches on the trail, including small ledges. This road is typically one to two vehicles in width, with portions that narrow down to a "Two Track" road.
History
County Road 531 (CR 531) near St. Ignace and through the broader Delta/Mackinac County area acts as a crucial, historically significant, all-season transport corridor, often serving as a key connector to major routes like M-35 and US-2. It has long served industrial and commercial traffic, with recent, ongoing, and state-funded improvements focusing on its vital role in local logistics.
