Ruff Creek (South Fork Tenmile Creek tributary)
| Ruff Creek Tributary to South Fork Tenmile Creek  | |
|---|---|
| Location | |
| Country | United States of America | 
| State | Pennsylvania | 
| County | Greene | 
| Townships | Morgan Washington  | 
| Physical characteristics | |
| Source | divide between Ruff Creek and Tenmile Creek | 
| • location | about 1 mile southeast of Dunn's Station, Pennsylvania | 
| • coordinates | 40°00′31″N 080°14′26″W / 40.00861°N 80.24056°W | 
| • elevation | 1,230 ft (370 m) | 
| Mouth | South Fork Tenmile Creek | 
 • location  | about 3 miles northeast of Morrisville, Pennsylvania | 
 • coordinates  | 39°54′57″N 080°06′19″W / 39.91583°N 80.10528°W | 
 • elevation  | 879 ft (268 m) | 
| Length | 13.2 mi (21.2 km) | 
| Basin size | 26.16 square miles (67.8 km2) | 
| Discharge | |
| • average | 31.85 cu ft/s (0.902 m3/s) at mouth with South Fork Tenmile Creek | 
| Basin features | |
| Progression | southeast | 
| River system | Monongahela River | 
| Tributaries | |
| • left | Craynes Run Poverty Run Grimes Run  | 
| • right | Walkers Run Jersey Run  | 
Ruff Creek is a large tributary to South Fork Tenmile Creek in southwestern Pennsylvania. The stream rises in north-central Greene County and flows southeast entering South Fork Tenmile Creek northeast of Morrisville, Pennsylvania. The watershed is roughly 27% agricultural, 64% forested and the rest is other uses.