Hartwick Pines State Park

Hartwick Pines State Park is a public recreation area covering 9,762 acres in Crawford County near Grayling and Interstate 75 on the Lower Peninsula of the U.S. state of Michigan. The state park contains an old-growth forest of white pines and red pines, known as the Hartwick Pines, that resembles the appearance of all Northern Michigan prior to the logging era.