Elk Run (West Branch Fishing Creek)
| Elk Run | |
|---|---|
Elk Run looking upstream in Elk Grove
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| Basin features | |
| Main source | northern edge of North Mountain in northern Davidson Township, Sullivan County, Pennsylvania between 2,240 and 2,280 feet (680 and 690 m) |
| River mouth | West Branch Fishing Creek in Davidson Township, Sullivan County, Pennsylvania 1,171 ft (357 m) 41°18′20″N 76°24′23″W / 41.3055°N 76.4064°WCoordinates: 41°18′20″N 76°24′23″W / 41.3055°N 76.4064°W |
| Progression | West Branch Fishing Creek → Fishing Creek → Susquehanna River → Chesapeake Bay |
| Basin size | 7.49 sq mi (19.4 km2) |
| Tributaries |
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| Physical characteristics | |
| Length | 4.8 mi (7.7 km) |
Elk Run is tributary of West Branch Fishing Creek in Sullivan County and Columbia County, in Pennsylvania, in the United States. It is approximately 4.8 miles (7.7 km) long and flows through Davidson Township in Sullivan County and Sugarloaf Township in Columbia County. The watershed of the stream has an area of 7.49 square miles (19.4 km2). The stream has three named tributaries: Gallows Run, Hog Run, and Long Run. Elk Run is considered to be an Exceptional Value stream and a Migratory Fishery. The forests surrounding it are deemed by the Sullivan County Natural Areas Inventory to be a "locally significant" area. The stream is named for an elk that was killed in it in the 1840s.
Elk Run is considered to be impaired by atmospheric deposition for a portion of its length. Glacial activity occurred near the stream during the Wisconsinan Glaciation. Wisconsinan Ice-Contract Stratified Drift, Wisconsinan Bouldery Till, Wisconsinan Till, and alluvium can be found near the stream. A bridge was constructed over it in 2000.
Elk Run begins on the northern edge of North Mountain in northern Davidson Township, Sullivan County. It flows southeast for a short distance before entering a deep valley and receiving an unnamed tributary from the . The stream then turns south-southwest and its valley deepens. After some distance, it receives its first named tributary, Gallows Run, from the . The stream then turns south-southeast. Over the next few miles, it receives the tributaries Hog Run and Long Run from the left. It then reaches the village of Elk Grove and exits Sullivan County.
Upon exiting Sullivan County, Elk Run enters Sugarloaf Township, Columbia County. It continues flowing south-southeast through the village of Elk Grove. After a short distance, the stream reaches its confluence with West Branch Fishing Creek.
Elk Run joins West Branch Fishing Creek 3.64 miles (5.86 km) upstream of its mouth.
Elk Run has three named tributaries: Gallows Run, Hog Run, and Long Run. Gallows Run joins Elk Run 2.68 miles (4.31 km) upstream of its mouth. Its watershed has an area of 0.50 square miles (1.3 km2). Hog Run joins Elk Run 1.46 miles (2.35 km) upstream of its mouth. Its watershed has an area of 1.05 square miles (2.7 km2). Long Run joins Elk Run 0.42 miles (0.68 km) upstream of its mouth. Its watershed has an area of 1.92 square miles (5.0 km2).
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