Spencer Run

Spencer Run
Spencer's Run
Physical characteristics
Source 
  locationvalley just south of Waller in Jackson Township, Columbia County, Pennsylvania
  elevationbetween 1,180 and 1,200 feet (360 and 370 m)
Mouth 
  location
West Creek in Benton Township, Columbia County, Pennsylvania
  coordinates
41°12′19″N 76°23′20″W / 41.2052°N 76.3889°W / 41.2052; -76.3889
  elevation
778 ft (237 m)
Length2.1 mi (3.4 km)
Basin size2.07 sq mi (5.4 km2)
Basin features
ProgressionWest Creek → Fishing CreekSusquehanna RiverChesapeake Bay
Tributaries 
  rightone unnamed tributary

Spencer Run (also known as Spencer's Run) is a tributary of West Creek in Columbia County, Pennsylvania, in the United States. It is approximately 2.1 miles (3.4 km) long and flows through Jackson Township and Benton Township. The watershed of the stream has an area of 2.07 square miles (5.4 km2). Wild trout naturally reproduce in the stream. The surficial geology in the area mainly features Illinoian Till, Illinoian Leg, alluvium, colluvium, and bedrock.