| Dunkle Run | |
| Name Other: | Tributary to Brush Run |
| Map Size: | 300 |
| Pushpin Map: | USA Pennsylvania#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of Dunkle Run mouth |
| Pushpin Map Alt: | Map of Dunkle Run mouth location |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Pennsylvania |
| Subdivision Type3: | County |
| Subdivision Name3: | Washington |
| Length: | 4.57miles[1] |
| Discharge1 Location: | Brush Run |
| Discharge1 Avg: | 9.12cuft/s at mouth with Brush Run[2] |
| Source1: | Cross Creek divide |
| Source1 Location: | about 1 mile northwest of Buffalo, Pennsylvania |
| Source1 Coordinates: | 40.2372°N -80.3792°W[3] |
| Source1 Elevation: | 1240feet[4] |
| Mouth: | Brush Run |
| Mouth Location: | about 0.5 miles northeast of Acheson, Pennsylvania |
| Mouth Coordinates: | 40.1989°N -80.4408°W |
| Mouth Elevation: | 909feet[5] |
| Progression: | Brush Run → Buffalo Creek → Ohio River → Mississippi River → Gulf of Mexico |
| River System: | Ohio River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | Hanen Run |
| Bridges: | PA 844, Farrar School Road, Old Trail Road, Fox Road, PA 331 |
Dunkle Run is a 4.57miles long 2nd order tributary to Brush Run in Washington County, Pennsylvania, United States.
According to the Geographic Names Information System, it has also been known historically as:[3]
Dunkle Run rises about 1 mile northwest of Buffalo, Pennsylvania, in Washington County and then flows southwest to join Brush Run about 0.5 miles northeast of Acheson.[5]
Dunkle Run drains of area, receives about 40.0 in/year of precipitation, has a wetness index of 318.15, and is about 45% forested.[2]