Long Run (Elk Run tributary)
| Long Run | |
|---|---|
| Physical characteristics | |
| Source | |
| • location | top of a deep valley in Davidson Township, Sullivan County, Pennsylvania |
| • elevation | between 2,360 and 2,380 feet (720 and 730 m) |
| Mouth | |
• location | Elk Run in Davidson Township, Sullivan County, Pennsylvania |
• coordinates | 41°18′37″N 76°24′37″W / 41.31026°N 76.41018°W |
• elevation | 1,217 ft (371 m) |
| Length | 2.4 mi (3.9 km) |
| Basin size | 1.92 sq mi (5.0 km2) |
| Basin features | |
| Progression | Elk Run → West Branch Fishing Creek → Fishing Creek → Susquehanna River → Chesapeake Bay |
| Tributaries | |
| • left | four unnamed tributaries |
Long Run is a tributary of Elk Run in Sullivan County, Pennsylvania, in the United States. It is approximately 2.4 miles (3.9 km) long and flows through Davidson Township. The stream's watershed has an area of 1.92 square miles (5.0 km2). It has no named tributaries, but four unnamed tributaries. The stream is considered by the Pennsylvania Department of Environmental Protection to be impaired by atmospheric deposition and metals. Wisconsinan Bouldery Till, Wisconsinan Till, and bedrock consisting of sandstone and shale occur in the vicinity of it.