Pine Marten Run is a 26 mile system of hiking and horseback riding trails located in the Ironjaw Semiprivate Area approximately 30 miles northwest of Manistique in Schoolcraft County, Michigan.

Accessible from County Roads 440 ad 437, and Forest Road 2258, Pine Marten Run is composed of five loop trails with inter-connecting spurs. The trails pass through a wide variety of vegetative communities as they meander past lakes and streams, gently rolling hills, bogs and wildlife openings.

Parking areas suitable for vehicles with horse trailers are available at each trailhead. And Adirondack shelters, with fire rings, have been constructed at Rim Lake, Rumble lake and along the Indian River. Water and toilet facilities are available at the C.R. 440 trailhead, while the others only have toilet facilities.

Camping is permitted throughout the area, however, permits are required for camping on Swan Lake, Triangle Lake, Ironjaw Lake and Lake Nineteen. These permits may be obtained at the office of the District Ranger at Manistique, Munising, or Rapid River.

Trail Segments :

Rumble Lake - 4.3 miles long with access from FR 2258 just south of the Indian River bridge. This segment crosses through Mike White Sharptail Grouse Management Area as it traverses rolling hills of beech, birch and maple and loops around Dinner and Sprinkler Lake. Approximately one mile of this loop is open to motorized vehicles, so users should exercise caution.

Swan Lake - 3.8 miles long with access from FR 2258 just north of the intersection with County road 440. This segment circles Swan Lake which is a popular permit camping lake. The terrain in this area is fairly level and is composed of pine plantations interspersed with hardwoods and hemlocks. Portions of this loop are also open to motorized vehicles.