| Lafferty Run | |
| Name Other: | Tributary to Kendall Creek |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Map Caption: | Location of Lafferty Run mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Pennsylvania |
| Subdivision Type3: | County |
| Subdivision Name3: | McKean |
| Length: | 2.19miles[1] |
| Discharge1 Location: | Kendall Creek |
| Discharge1 Avg: | 2.93cuft/s at mouth with Kendall Creek[2] |
| Source1: | Foster Brook divide |
| Source1 Location: | about 1 mile southwest of Red Rock, Pennsylvania |
| Source1 Coordinates: | 41.9578°N -78.5614°W[3] |
| Source1 Elevation: | 2020feet |
| Mouth: | Kendall Creek |
| Mouth Location: | about 2 miles east of Bradford, Pennsylvania |
| Mouth Coordinates: | 41.9565°N -78.6059°W |
| Mouth Elevation: | 1467feet |
| Progression: | Kendall Creek → Tunungwant Creek → Allegheny River → Ohio River → Mississippi River → Gulf of Mexico |
| River System: | Allegheny River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Bridges: | Red Rock Ridge Road, Lafferty Hollow (x3) |
Lafferty Run is a 2.19miles long first-order tributary to Kendall Creek.[1]
Lafferty Run rises about southwest of Red Rock, Pennsylvania and then flows west-northwest to meet Kendall Creek about east of Bradford, Pennsylvania.
Lafferty Run drains of area, receives about of precipitation, and is about 94.30% forested.[2]