In the residential community of Mooresville, PA 305 turns southeast onto Greenwood Road and winds through open farmland with some homes, crossing into Barree Township. In this area, the route heads through wooded areas with some farm fields. The road passes through Manor Hill and heads east through farmland before passing through more woodland and curving northeast at Saulsburg. PA 305 continues into a mix of farms and woods with some residences as it heads into Jackson Township, where it turns southeast into open agricultural areas, curving east and coming to an intersection with PA 26 in Ennisville. Here, PA 26 turns east to form a concurrency with PA 305, crossing the Standing Stone Creek and running through more rural areas with some homes. PA 305 splits from PA 26 in McAlevys Fort by turning to the southeast, remaining along Greenwood Road and passing through more farmland. The road turns to the northeast before heading east into Rothrock State Forest, where it begins to ascend Stone Mountain. The route heads to the east-northeast and passes through Greenwood Furnace State Park and the community of Greenwood Furnace before passing through more of the state forest, turning to the south and before curving to the southwest.