Big Run (West Branch Fishing Creek tributary)

Big Run
Physical characteristics
Source 
  locationplateau in Davidson Township, Sullivan County, Pennsylvania
  elevationbetween 2,240 and 2,260 feet (680 and 690 m)
Mouth 
  location
West Branch Fishing Creek in Davidson Township, Sullivan County, Pennsylvania
  coordinates
41°17′57″N 76°27′24″W / 41.2991°N 76.4567°W / 41.2991; -76.4567
  elevation
1,434 ft (437 m)
Length1.0 mi (1.6 km)
Basin size0.51 sq mi (1.3 km2)
Basin features
ProgressionWest Branch Fishing Creek → Fishing CreekSusquehanna RiverChesapeake Bay

Big Run is a tributary of West Branch Fishing Creek in Sullivan County, Pennsylvania, in the United States. It is approximately 1.0 mile (1.6 km) long and flows through Davidson Township. The watershed of the stream has an area of 0.51 square miles (1.3 km2). The stream is somewhat acidic, with a pH that ranged from 4.02 to 4.65 during a study on the watershed of Fishing Creek. Wisconsinan Till, Boulder Colluvium, and bedrock consisting of sandstone and shale all occur in the vicinity of the stream.