| Hummer Creek | |
| Name Other: | Tributary to Thompson Creek |
| Map Size: | 300 |
| Pushpin Map: | USA Pennsylvania#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of Hummer Creek mouth |
| Pushpin Map Alt: | Map of Hummer Creek mouth location |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Pennsylvania |
| Subdivision Type3: | County |
| Subdivision Name3: | Crawford |
| Length: | 3.83miles[1] |
| Discharge1 Location: | Thompson Creek |
| Discharge1 Avg: | 10.76cuft/s at mouth with Thompson Creek[2] |
| Source1: | West Branch Caldwell Creek divide |
| Source1 Location: | about 2 miles east-southeast of Vrooman, Pennsylvania |
| Source1 Coordinates: | 41.7219°N -79.6144°W[3] |
| Source1 Elevation: | 1660feet[4] |
| Mouth: | Thompson Creek |
| Mouth Location: | Shelamndine Springs, Pennsylvania |
| Mouth Coordinates: | 41.6861°N -79.6631°W |
| Mouth Elevation: | 1328feet[5] |
| Progression: | southwest |
| River System: | Allegheny River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Bridges: | Cloverdale Road, Hummer Road, Townline Road |
Hummer Creek is a 3.83miles long 2nd order tributary to Thompson Creek in Crawford County, Pennsylvania.
According to the Geographic Names Information System, it has also been known historically as:[3]
Hummer Creek rises about 2 miles east-southeast of Vrooman, Pennsylvania and then flows southwest to join Thompson Creek at Shelmandine Springs.[5]
Hummer Creek drains of area, receives about 45.1 in/year of precipitation, has a wetness index of 459.72, and is about 54% forested.[2]