Pennsylvania Route 973 (PA 973) is a highway which runs for 27.3 miles (43.9 km), generally east–west in Lycoming County in north central Pennsylvania in the United States. Its western terminus is on the east bank of Pine Creek at PA 44 in the unincorporated village of Tomb (or Tombs Run) in Watson Township, and its eastern terminus is at the hamlet of Loyalsockville in Upper Fairfield Township at PA 87.