Galley Run
| Galley Run Tributary to Youghiogheny River  | |
|---|---|
| Location | |
| Country | United States | 
| State | Pennsylvania | 
| County | Fayette | 
| Physical characteristics | |
| Source | Jacobs Creek divide | 
| • location | about 0.5 miles west of Owensdale, Pennsylvania | 
| • coordinates | 40°04′48″N 079°37′08″W / 40.08000°N 79.61889°W | 
| • elevation | 1,075 ft (328 m) | 
| Mouth | Youghiogheny River | 
 • location  | Broad Ford, Pennsylvania | 
 • coordinates  | 40°02′49″N 079°36′42″W / 40.04694°N 79.61167°W | 
 • elevation  | 852 ft (260 m) | 
| Length | 2.91 mi (4.68 km) | 
| Basin size | 3.51 square miles (9.1 km2) | 
| Discharge | |
| • location | Youghiogheny River | 
| • average | 4.85 cu ft/s (0.137 m3/s) at mouth with Youghiogheny River | 
| Basin features | |
| Progression | generally south | 
| River system | Monongahela River | 
| Tributaries | |
| • left | unnamed tributaries | 
| • right | unnamed tributaries | 
| Bridges | Rush Drive, Kings Road (x2), Marchewka Lane, Dry Hill Road, Broadford Road (x2) | 
Galley Run is a 2.91 mi (4.68 km) long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania. This is the only stream of this name in the United States.