Smiley Run (Youghiogheny River tributary)
| Smiley Run Tributary to Youghiogheny River | |
|---|---|
Location of Smiley Run mouth Smiley Run (Youghiogheny River tributary) (the United States) | |
| Location | |
| Country | United States |
| State | Pennsylvania |
| County | Fayette |
| Borough | Dawson |
| Physical characteristics | |
| Source | Jacobs Creek divide |
| • location | about 1 mile south of Chaintown, Pennsylvania |
| • coordinates | 40°05′13″N 079°39′34″W / 40.08694°N 79.65944°W |
| • elevation | 1,220 ft (370 m) |
| Mouth | Youghiogheny River |
• location | Dawson, Pennsylvania |
• coordinates | 40°03′01″N 079°39′54″W / 40.05028°N 79.66500°W |
• elevation | 843 ft (257 m) |
| Length | 2.80 mi (4.51 km) |
| Basin size | 2.74 square miles (7.1 km2) |
| Discharge | |
| • location | Youghiogheny River |
| • average | 3.73 cu ft/s (0.106 m3/s) at mouth with Youghiogheny River |
| Basin features | |
| Progression | generally south |
| River system | Monongahela River |
| Tributaries | |
| • left | unnamed tributaries |
| • right | unnamed tributaries |
| Bridges | Gillespie Road, Davis Road, Banning Road, Rimel Road, School Road |
Smiley Run is a 2.80 mi (4.51 km) long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania.