Hartwick Pines State Park

One of the largest state parks in the Lower Peninsula, Hartwick Pines State Park sprawls across 9.672 acres and offers trails up to 7-1/2 miles long. For the more active individuals, the trails offer XC skiing, biking, hiking and fishing, while more reserved shutterbugs can hope to get a glimpse of diverse wildlife like bobcats or the parks variety of birds. Hartwick Pines State Park.