Grindstone Run (Slippery Rock Creek tributary)
| Grindstone Run Tributary to Slippery Rock Creek | |
|---|---|
| Location | |
| Country | United States of America |
| State | Pennsylvania |
| County | Lawrence |
| Township | Perry |
| Physical characteristics | |
| Source | divide between Slippery Rock Creek and Camp Run |
| • location | about 3 miles north of Pyles Mills, Pennsylvania in Perry Township |
| • coordinates | 40°54′28″N 80°10′49″W / 40.90778°N 80.18028°W |
| • elevation | 1,260 ft (380 m) |
| Mouth | Slippery Rock Creek |
• location | about 1 mile upstream on Slippery Rock Creek from Harris Bridge in McConnells Mill State Park |
• coordinates | 40°55′13″N 80°12′01″W / 40.92028°N 80.20028°W |
• elevation | 920 ft (280 m) |
| Length | 1.3 mi (2.1 km) |
| Basin size | 1.0 square mile (2.6 km2) |
| Discharge | |
| • average | 1.32 cu ft/s (0.037 m3/s) at mouth with Slippery Rock Creek |
| Basin features | |
| Progression | Slippery Rock Creek → Connoquenessing Creek → Beaver River → Ohio River → Mississippi River → Gulf of Mexico |
| River system | Beaver River |
| Tributaries | |
| • left | unnamed tributaries |
| • right | unnamed tributaries |
| Bridges | Mountville Road |
Grindstone Run is a small tributary of Slippery Rock Creek in western Pennsylvania. The stream rises in eastern Lawrence County flows northwest into Slippery Rock Creek in McConnells Mill State Park.