| Pine Run | |
| Name Other: | Tributary to South Branch French Creek |
| Map Size: | 300 |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of the mouth of Pine Run |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Pennsylvania |
| Subdivision Type3: | County |
| Subdivision Name3: | Erie |
| Length: | 3.3miles[1] |
| Discharge1 Location: | 1 mile east of Union City, Pennsylvania |
| Discharge1 Avg: | 5.45cuft/s at mouth with South Branch French Creek[2] |
| Source1: | divide between Bentley Run and Beaver Run |
| Source1 Location: | about 2 miles northeast of Union City, Pennsylvania |
| Source1 Coordinates: | 41.9353°N -79.7914°W[3] |
| Source1 Elevation: | 1580feet[4] |
| Mouth: | South Branch French Creek |
| Mouth Location: | east of Union City, Pennsylvania |
| Mouth Coordinates: | 41.8925°N -79.7853°W |
| Mouth Elevation: | 1309feet |
| Progression: | South Branch French Creek → French Creek → Allegheny River → Ohio River → Mississippi River → Gulf of Mexico |
| River System: | Allegheny River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Bridges: | US 6, Elgin Road, Riley Siding Road |
Pine Run is a 3.3miles long tributary to South Branch French Creek in Erie County, Pennsylvania. It is classed as a 1st order stream on the EPA waters Geoviewer site.
Pine Run rises in Union Township of southern Erie County, Pennsylvania and flows southwest towards Union City, Pennsylvania.
Pine Run drains 2.0 square miles of Erie Drift Plain (glacial geology). The watershed receives an average of 46.5 in/year of precipitation.[5]