Pine Run is a tributary to

Neshannock Creek Neshannock Creek is a long tributary to Shenango River that forms at the confluence of Cool Spring and Otter Creek in Mercer County and then flows south to Lawrence County, Pennsylvania. This creek is known for its fly fishing at Volant, Penns ...

in western Pennsylvania. The stream rises in south-central Mercer County and flows southeast entering Neshannock Creek south and downstream of

Mercer, Pennsylvania Mercer is a borough (Pennsylvania), borough in and the county seat of Mercer County, Pennsylvania, Mercer County, Pennsylvania, United States. The population was 1,982 at the 2020 United States Census, 2020 census. It is part of the Mahoning Vall ...

. The watershed is roughly 46% agricultural, 45% forested and the rest is other uses.

References

Rivers of Pennsylvania Tributaries of the Beaver River Rivers of Mercer County, Pennsylvania {{Pennsylvania-river-stub