Pine Run is a tributary to Neshannock Creek in western Pennsylvania. The stream rises in south-central Mercer County and flows southeast entering Neshannock Creek south and downstream of Mercer, Pennsylvania. The watershed is roughly 46% agricultural, 45% forested and the rest is other uses.[4]

Beaver Run Tributary to Neshannock Creek
Location of Beaver Run mouth Show map of Pennsylvania Beaver Run (Neshannock Creek tributary) (the United States) Show map of the United States
Location
Country	United States of America
State	Pennsylvania
County	Mercer
Township	East Lackawannock
Physical characteristics
Source	divide between Beaver Run and Shenango River (Lackawannock Creek)
• location	about 1.5 miles southwest of Mercer, Pennsylvania
• coordinates	41°12′37″N 080°16′36″W[1]
• elevation	1,220 ft (370 m)[2]
Mouth	Neshannock Creek
• location	about 1 mile south of Mercer, Pennsylvania
• coordinates	41°12′04″N 080°13′55″W[1]
• elevation	1,060 ft (320 m)[2]
Length	2.78 mi (4.47 km)[3]
Basin size	3.71 square miles (9.6 km2)[4]
Discharge
• average	5.62 cu ft/s (0.159 m3/s) at mouth with Neshannock Creek[4]
Basin features
Progression	Neshannock Creek → Shenango River → Beaver River → Ohio River → Mississippi River → Gulf of Mexico
River system	Beaver River
Tributaries
• left	unnamed tributaries
• right	unnamed tributaries

References