| Coon Run | |
| Name Other: | Tributary to East Branch Oil Creek |
| Map Size: | 300 |
| Map Alt: | Map of Coon Run mouth |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Alt: | Location of Coon Run 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 |
| Length: | 2.35miles[1] |
| Discharge1 Location: | East Branch Oil Creek |
| Discharge1 Avg: | 2.49cuft/s at mouth with East Branch Oil Creek[2] |
| Source1: | divide between Coon Run and Brannon Run |
| Source1 Location: | about 2 miles southeast of Glynden, Pennsylvania |
| Source1 Coordinates: | 41.7589°N -79.6844°W[3] |
| Source1 Elevation: | 1650feet[4] |
| Mouth: | East Branch Oil Creek |
| Mouth Location: | Glynden, Pennsylvania |
| Mouth Coordinates: | 41.7781°N -79.7203°W |
| Mouth Elevation: | 1322feet |
| 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: | Koon Road, Fairview Road, Whitney Road, Fish Flats Road, Glynden Road, Grade Road |
Coon Run is a 2.35miles[5] long tributary to East Branch Oil Creek in Crawford County, Pennsylvania.
Coon Run rises on the Brannon Run divide about 2 miles southeast of Glynden, Pennsylvania. Coon Run then flows northwest through the Erie Drift Plain to East Branch Oil Creek at Glynden.
Coon Run drains of area, receives about 45.5 in/year of precipitation, has a topographic wetness index of 457.66 and is about 57% forested.[2]