Smiley Run (Youghiogheny River tributary)
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| 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[1] |
| • coordinates | 40°05′13″N 079°39′34″W / 40.08694°N 79.65944°W[2] |
| • elevation | 1,220 ft (370 m)[1] |
| Mouth | Youghiogheny River |
• location | Dawson, Pennsylvania[3] |
• coordinates | 40°03′01″N 079°39′54″W / 40.05028°N 79.66500°W[2] |
• elevation | 843 ft (257 m)[3] |
| Length | 2.80 mi (4.51 km)[4] |
| Basin size | 2.74 square miles (7.1 km2)[5] |
| Discharge | |
| • location | Youghiogheny River |
| • average | 3.73 cu ft/s (0.106 m3/s) at mouth with Youghiogheny River[5] |
| Basin features | |
| Progression | generally south[4] |
| 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.
