Walker Run is a tributary of the Susquehanna River in Luzerne County, Pennsylvania, in the United States. It is approximately 4.4 miles (7.1 km) long and flows through Salem Township. The watershed of the stream has an area of 3.83 square miles (9.9 km2). There are three unnamed tributaries. The stream is on rock of the Mahantango Formation, the Harrell Formation, the Irish Valley Member, and the Trimmers Rock Formation. A number of roads cross the stream. It is inhabited by wild trout.

Salem Creek is a tributary of the Susquehanna River in Luzerne County, Pennsylvania, in the United States. It is approximately 4.8 miles (7.7 km) long and flows through Salem Township. The watershed of the creek has an area of 3.77 square miles (9.8 km2). It has no named tributaries, but one unnamed tributary. Lee Mountain and Summer Hill are both in the vicinity of the creek. It flows through a gorge at one point. The creek is in the ridge and valley region and is near the southern terminus of the Wisconsinan glaciation. It served as a sluiceway for glacial meltwater during the aforementioned glacial period. The creek's discharge is considerably lower than it was during the previous glaciation. Rock formations such as the Catskill Formation and the Trimmers Rock Formation occur near it, as does glacial till.