A wayside exhibit explains how the mill race was dug using a mill race scoop pulled by horses. By Furnace Run hikers can find pieces of slag, a green colored stone that is a waste product of the iron furnace that was located upstream. This trail is good for seeing wildflowers. This trail runs from the Exercise Trail to the west end of the park. It offers many short, steep climbs while traveling through a variety of habitats.
Open fields feature nice views of the lake.
In the mixed hardwood forest, hikers may see large, cone-shaped mounds of earth which may house tens of thousands of Allegheny mound builder ants. These ants have very strong jaws and can inflict a painful bite on those who disturb their mounds. Valley Railroad trace by the Main Picnic Area. This difficult trail winds up Buffalo Ridge and offers glimpses of the industrial history of the area. A mixed hardwood forest with scattered hemlock giants covers the area today, but before it was timbered, the ridge was covered in giant oaks, hickories and American chestnut.