Gillespie Run (Youghiogheny River tributary)
| Gillespie Run Tributary to Youghiogheny River | |
|---|---|
Location of Gillespie Run mouth Gillespie Run (Youghiogheny River tributary) (the United States) | |
| Location | |
| Country | United States |
| State | Pennsylvania |
| County | Allegheny |
| Physical characteristics | |
| Source | Beckets Run divide |
| • location | about 2 miles west-southwest of Mustard, Pennsylvania |
| • coordinates | 40°13′28″N 079°51′34″W / 40.22444°N 79.85944°W |
| • elevation | 1,115 ft (340 m) |
| Mouth | Youghiogheny River |
• location | Sutersville, Pennsylvania |
• coordinates | 40°14′31″N 079°48′13″W / 40.24194°N 79.80361°W |
• elevation | 738 ft (225 m) |
| Length | 4.11 mi (6.61 km) |
| Basin size | 8.32 square miles (21.5 km2) |
| Discharge | |
| • location | Youghiogheny River |
| • average | 8.25 cu ft/s (0.234 m3/s) at mouth with Youghiogheny River |
| Basin features | |
| Progression | Youghiogheny River → Monongahela River → Ohio River → Mississippi River → Gulf of Mexico |
| River system | Monongahela River |
| Tributaries | |
| • left | Douglass Run |
| • right | unnamed tributaries |
| Bridges | Pond Lane, Guffey Road, PA 51, Scenery Drive, Pineview Drive (x4), Berdar Drive, Douglass Run Road (x2) |
Gillespie Run is a 4.11 mi (6.61 km) long 3rd order tributary to the Youghiogheny River in Allegheny County, Pennsylvania.