| Twomile Creek | |
| Name Other: | Tributary to East Branch Oil Creek |
| Map Size: | 300 |
| Map Alt: | Map of Twomile Creek mouth |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Alt: | Location of Twomile Creek mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Pennsylvania |
| Subdivision Type3: | County |
| Subdivision Name3: | Crawford |
| Subdivision Type4: | Township |
| Subdivision Name4: | Rome Sparta |
| Subdivision Type5: | Borough |
| Subdivision Name5: | Centerville |
| Length: | 3.72miles[1] |
| Discharge1 Location: | East Branch Oil Creek |
| Discharge1 Avg: | 6.85cuft/s at mouth with East Branch Oil Creek[2] |
| Source1: | divide between Twomile Creek and Britton Run |
| Source1 Location: | about 0.75 miles southwest of Britton Run, Pennsylvania |
| Source1 Coordinates: | 41.7919°N -79.7639°W[3] |
| Source1 Elevation: | 1555feet[4] |
| Mouth: | East Branch Oil Creek |
| Mouth Location: | Centerville, Pennsylvania |
| Mouth Coordinates: | 41.7453°N -79.7575°W |
| Mouth Elevation: | 1283feet |
| Progression: | East Branch Oil Creek → Oil Creek → Allegheny River → Ohio River → Mississippi River → Gulf of Mexico |
| River System: | Allegheny River (Oil Creek) |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Bridges: | PA 77, Kunick Road, Brimstone Road |
Twomile Creek is a 3.72miles long 2nd order tributary to East Branch Oil Creek in Crawford County, Pennsylvania.
Twomile Creek rises on the Britton Run divide about 0.75 miles southwest of Britton Run, Pennsylvania. Twomile Creek then flows south through the Erie Drift Plain to East Branch Oil Creek at Centerville, Pennsylvania.
Twomile Creek drains of area, receives about 45.4 in/year of precipitation, has a topographic wetness index of 459.72 and is about 50% forested.[2]