| Connell Run | |
| Name Other: | Tributary to Youghiogheny River |
| Map Size: | 300 |
| Pushpin Map: | USA Pennsylvania#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of Connell Run mouth |
| Pushpin Map Alt: | Map of Connell Run mouth location |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Pennsylvania |
| Subdivision Type3: | County |
| Subdivision Name3: | Fayette |
| Subdivision Type4: | Borough |
| Subdivision Name4: | Connellsville |
| Length: | 3.78miles[1] |
| Discharge1 Location: | Youghiogheny River |
| Discharge1 Avg: | 5.44cuft/s at mouth with Youghiogheny River[2] |
| Source1: | Tates Run divide (Chestnut Ridge) |
| Source1 Location: | about 1.5 miles west of Pleasant Hill, Pennsylvania[3] |
| Source1 Coordinates: | 40.0097°N -79.5347°W[4] |
| Source1 Elevation: | 1920feet |
| Mouth: | Youghiogheny River |
| Mouth Location: | Connellsville, Pennsylvania[5] |
| Mouth Coordinates: | 40.0153°N -79.5983°W |
| Mouth Elevation: | 866feet |
| Progression: | generally west |
| River System: | Monongahela River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Bridges: | McCoy Hollow Road (x5), Hosfelt Road, Perry Street, South Alley, E Park Drive (x2), Wills Road, Baldwin Avenue, S Pittsburgh Street, S Arch Street |
Connell Run is a 3.14miles long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania. This is the only stream of this name in the United States.[4]
Connell Run rises about 1.5 miles west-southwest of Pleasant Hill, Pennsylvania,[3] and then flows west to join the Youghiogheny River at Connellsville.[5]
Connell Run drains of area, receives about 45.5 in/year of precipitation, has a wetness index of 339.82, and is about 70% forested.[2]
Connell Run is the location of Connell Run BDA. The slopes on Connell Run provide habitat for a plant of special concern.[6]