Lilley Run
| Lilley Run Tributary to South Branch French Creek | |
|---|---|
| Location | |
| Country | United States |
| State | Pennsylvania |
| Counties | Erie Crawford |
| Physical characteristics | |
| Source | divide between Lilley Run and Stranahan Run |
| • location | pond about 1 mile west-southwest of Concord Corners, Pennsylvania |
| • coordinates | 41°50′55″N 079°43′46″W / 41.84861°N 79.72944°W |
| • elevation | 1,652 ft (504 m) |
| Mouth | South Branch French Creek |
• location | about 0.5 miles west of Concord, Pennsylvania |
• coordinates | 41°53′26″N 079°44′32″W / 41.89056°N 79.74222°W |
• elevation | 1,342 ft (409 m) |
| Length | 3.66 mi (5.89 km) |
| Basin size | 4.77 square miles (12.4 km2) |
| Discharge | |
| • location | South Branch French Creek |
| • average | 9.73 cu ft/s (0.276 m3/s) at mouth with South Branch French Creek |
| Basin features | |
| Progression | South Branch French Creek → French Creek → Allegheny River → Ohio River → Mississippi River → Gulf of Mexico |
| River system | Allegheny River |
| Tributaries | |
| • left | unnamed tributaries |
| • right | unnamed tributaries |
| Bridges | Concord Road, Ormsbee Road, Mitchell Road |
Lilley Run is a 3.66 mi (5.89 km) long 2nd order tributary to South Branch French Creek in Erie County, Pennsylvania.