The route passes through an S-curve to the southeast and runs through farmland, making a turn to the northeast. The road runs through more rural land and winds east, turning northeast to pass through the community of Pine Glen. PA 103 continues northeast through the community of Longfellow before the Juniata River and railroad closely parallel the road to the northwest, with Blue Mountain located to the southeast of the road.
The route curves southeastward, crossing farmland before turning northeast. The road then meanders eastward, making a turn to the northeast as it passes through Pine Glen. PA 103 continues northeast through Longfellow, with the Juniata River and railroad running parallel to the road to the northwest, while Blue Mountain is situated southeast of the route.