Ravines support significant stands of eastern hemlock. It protects of red spruce and eastern hemlock upland forest. The park is near the southern limit for eastern hemlock and eastern white pine. Bash Bish State Park consists of numerous gorges and an eastern hemlock ravine forest. The last harvest of red spruce and eastern hemlock on Bald Knob was in 1960. An old-growth forest of containing eastern hemlock and hardwoods follows part of the ravine. Eastern hemlock is known for having ring shake. Coniferous species include Eastern White Pine, Pitch Pine, Eastern Red Cedar, and Eastern Hemlock. The rafts ended when the eastern hemlock were all clearcut. Hardwood forests also include yellow birch, sugar and red maple, eastern hemlock, and black cherry. There are also Poplars, American White Pine and Eastern Hemlock in some areas. Other species include eastern hemlock and eastern white pine. Eastern hemlock is common in damp, shaded ravines. Ravines support significant stands of eastern hemlock, and stands of white pine are common throughout. Flatrock-Roaring Plains were once mostly covered by dense, ancient red spruce and eastern hemlock forest.