The northeastern hardwood forest along the Bowman Creek Ledges is characterized by a variety of tree species. According to the search results, the canopy includes trees such as sugar maple, beech, birch, hemlock, and oaks. Specifically, the Northern hardwoods like sugar maple, beech, and birch are typical canopy species found in this region, with hemlock also being mentioned as a significant tree in the area. Oaks tend to predominate on steep slopes within these forests. The image gallery provided in the search results offers a visual representation of the Bowman Creek Ledges and the surrounding forest, showcasing the dense canopy and the variety of trees that can be found there. For a more detailed view of the area, you can refer to the images from the search results, such as this one showing the scenic view of Bowman Creek here.