Plum Run (Rock Creek tributary)

Plum Run (Rock Run in 1821)^[1] is a Pennsylvania stream flowing southward from the Gettysburg Battlefield between the Gettys-Black Divide on the east and on the west, the drainage divide for Pitzer Run, Biesecker Run, Willoughby Run, and Marsh Creek.

Plum Run (Rock Creek tributary) Bloody Run
Plum Run generally flows west of both the Taneytown Road and Rock Creek.
Location
Country	United States
State	Pennsylvania
Region	Adams County
Township	Cumberland
Physical characteristics
Source	Field of Pickett's Charge
Basin features
Namesake	"Plum Run line" of McGilvery's artillery

History

The Plum Run Valley was the location of Battle of Gettysburg, Second Day, and Third Day military engagements.

In 1972, the Slaughter Pen comfort station was temporarily closed after Youth Conservation Corps participants of Camp Eisenhower discovered fecal pollution in Plum Run.

Plum Run course
Location	Description	Coordinates
headpoints	triple pt (Stevens & Guinn Runs)[2] N of Codori house & barn[3]	39.813151°N 77.23556°W / 39.813151; -77.23556 39.81178°N 77.24021°W / 39.81178; -77.24021
crossing	(historical) Emmitsburg Rd[4]
perennial flow	USGS map Google Maps	38.80919°N 77.23832°W / 38.80919; -77.23832[3] 39.808219°N 77.238892°W / 39.808219; -77.238892[5]
bridge	United States Avenue
	crossing	39.801295°N 77.241134°W / 39.801295; -77.241134
confluence	run
culvert[6]: '08	Wheatfield Road
culvert	Crawford Avenue	39.796271°N 77.238661°W / 39.796271; -77.238661
confluence	run from Weikert Hill
bridge	Warren Avenue
bridge	for Slaughter Pen pedestrians
site	1894-1917 trolley bridge	39.790167°N 77.243446°W / 39.790167; -77.243446
confluence	Rose Run
run	confluence	39.78926°N 77.245211°W / 39.78926; -77.245211
bridge	along horse trail fording	39.788244°N 77.245694°W / 39.788244; -77.245694
bridge	Confederate Avenue (1937)
confluence	Heagy's Woods Run[7]	[relative location tbd]
boundary	National Park/Township
confluence	run from Ridge Road[4]
bridge	Knight Road
bridge	US 15
bridge	(private)
confluence	run from north
confluence	run from west
bridge	PA 134	39.765039°N 77.231998°W / 39.765039; -77.231998 (Plum Run bridge)
mouth	Rock Creek (Monocacy River)	39.758969°N 77.226806°W / 39.758969; -77.226806 (mouth of Plum Run)

See also

• List of rivers of Pennsylvania