| Gravel Run | |
| Name Other: | Tributary to French Creek |
| Map Size: | 300 |
| Pushpin Map: | USA Pennsylvania#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of Gravel Run mouth |
| Pushpin Map Alt: | Map of Gravel Run mouth location |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Pennsylvania |
| Subdivision Type3: | County |
| Subdivision Name3: | Crawford |
| Length: | 5.48miles[1] |
| Discharge1 Location: | French Creek |
| Discharge1 Avg: | 20.88cuft/s at mouth with French Creek[2] |
| Source1: | Woodcock Creek divide |
| Source1 Location: | about 1.5 miles west of Pinney Corners, Pennsylvania |
| Source1 Coordinates: | 41.7136°N -80.0472°W[3] |
| Source1 Elevation: | 1460feet[4] |
| Mouth: | French Creek |
| Mouth Location: | about 1.5 miles west of Woodcock, Pennsylvania |
| Mouth Coordinates: | 41.7575°N -80.1117°W |
| Mouth Elevation: | 1128feet[5] |
| Progression: | French Creek → Allegheny River → Ohio River → Mississippi River → Gulf of Mexico |
| River System: | Allegheny River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Bridges: | Stoltz Road, Dibble Hill Road, Leimbach Road, Huson Road, Amy Road, PA 86, Bockman Hollow Road |
Gravel Run is a 5.48miles long 2nd order tributary to French Creek in Crawford County, Pennsylvania.
According to the Geographic Names Information System, it has also been known historically as:[3]
Gravel Run rises about 1.5 miles west of Pinney Corners, Pennsylvania, and then flows generally west-northwest to join French Creek about 1.5 miles west of Woodcock, Pennsylvania.[5]
Gravel Run drains of area, receives about 44.9 in/year of precipitation, has a wetness index of 436.22, and is about 53% forested.[2]