The road passes under another R.J. Corman Railroad line and heads through more wooded areas, crossing back into Pike Township and turning to the northeast as Clearfield Curwensville Highway.

Past this interchange, PA 879 crosses over a R.J. Corman Railroad line and the West Branch Susquehanna River, becoming a two-lane divided highway and passing through more wooded areas with some commercial establishments as a surface road.

The median changes to a center left-turn lane as the road heads past more businesses and turns north to come to an interchange with Interstate 80 (I-80).

The route turns southeast and heads into Girard Township near the community of Surveyor, becoming Shawville Frenchville Highway and running through more forests.

PA 879 turns northeast away from the river and railroad line and continues through more rural areas with occasional homes, curving east and passing through Bald Hill.

Here, the route turns southeast onto Market Street and runs through more woodland before passing east through the residential community of Karthaus.

[3][4] PA 879 crosses the West Branch Susquehanna River into Burnside Township in Centre County and becomes Pine Glen Road, heading south and southeast through more forests.