| Dog Run | |
| Name Other: | Tributary to Buffalo Creek |
| Map Size: | 300 |
| Pushpin Map: | USA Pennsylvania#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of Dog Run mouth |
| Pushpin Map Alt: | Map of Dog Run mouth location |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Pennsylvania |
| Subdivision Type3: | County |
| Subdivision Name3: | Washington |
| Length: | 2.31miles[1] |
| Discharge1 Location: | Buffalo Creek |
| Discharge1 Avg: | 1.66cuft/s at mouth with Buffalo Creek[2] |
| Source1: | North Prong Castleman Run divide |
| Source1 Location: | about 2 miles south of Dunsfort, Pennsylvania |
| Source1 Coordinates: | 40.1672°N -80.5036°W[3] |
| Source1 Elevation: | 1170feet[4] |
| Mouth: | Buffalo Creek |
| Mouth Location: | Dunsfort, Pennsylvania |
| Mouth Coordinates: | 40.1886°N -80.5019°W |
| Mouth Elevation: | 843feet[5] |
| Progression: | Buffalo Creek → Ohio River → Mississippi River → Gulf of Mexico |
| River System: | Ohio River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Bridges: | Dry Ridge Road |
Dog Run is a 2.31miles long 1st order tributary to Buffalo Creek in Washington County, Pennsylvania.
Dog Run rises about 2 miles south of Dunsfort, Pennsylvania, in Washington County and then flows north and northwest to join Buffalo Creek at Dunsfort.[5]
Dog Run drains of area, receives about 40.2 in/year of precipitation, has a wetness index of 300.49, and is about 78% forested.[2]