Plum Run is a Pennsylvania stream flowing southward from the Gettysburg Battlefield

Gettysburg Battlefield

The Gettysburg Battlefield is the area of the July 1–3, 1863, military engagements of the Battle of Gettysburg within and around the borough of Gettysburg, Pennsylvania. Locations of military engagements extend from the 4 acre site of the first shot & at on the west of the borough, to East...

 between the Gettys-Black Divide

Gettys-Black divide

The Gettys-Black divide is the primary drainage divide of Cumberland Township, Adams County, Pennsylvania; extending from the mouth of Stevens Creek southward past Samuel Gettys' 1761 tavern ~7 miles to the mouth of Plum Run at the dam site for Robert Black's 1798 Mill...

 on the east and on the west, the drainage divide for Pitzer Run, Biesecker Run, Willoughby Run

Willoughby Run

Willoughby Run is a Pennsylvania stream flowing southward between Herr Ridge and McPherson Ridge through the Gettysburg Battlefield to Marsh Creek ....

, and Marsh Creek (Monocacy River)

Marsh Creek (Monocacy River)

Marsh Creek is a tributary of the Monocacy River in south-central Pennsylvania and north-central Maryland in the United States. Marsh Creek and Rock Creek join below Gettysburg and the Gettysburg Battlefield to form the Monocacy River...

. The Plum Run Valley was the location of Battle of Gettysburg, Second Day

Battle of Gettysburg, Second Day

The Battle of Gettysburg, Second Day was an attempt by Confederate Gen. Robert E. Lee to capitalize on his first day's success. He launched the Army of Northern Virginia in multiple Gettsyburg Battlefield attacks on the flanks of the Union Army of the Potomac, commanded by Maj. Gen. George G...

, and Third Day military engagements, as well as the postbellum Crawford's Glen and Tipton Park

Tipton Station

Tipton Station was a Gettysburg Battlefield trolley stop of the Gettysburg Electric Railway for passenger access to Crawford's Glen to the north, Devil's Den , and Tipton Park...

. In 1972, the Slaughter Pen

Slaughter Pen

The Slaughter Pen is a narrow portion of the Plum Run valley with diabase boulders between Big Round Top and Devil's Den where on the 1863 Battle of Gettysburg, Second Day, the 40th New York Volunteer Infantry Regiment forced the 17th and 2nd Georgia Regiments of Benning's Brigade from near the...

 comfort station was temporarily closed after Youth Conservation Corps

Youth Conservation Corps

The Youth Conservation Corps ' is a summer work youth program in federally managed lands. The National Park Service, US Forest Service, US Fish and Wildlife Service and Bureau of Land Management employ teens each summer to participate in the YCC experience...

 participants of Camp Eisenhower discovered fecal pollution in Plum Run.http://news.google.com/newspapers?id=77JbAAAAIBAJ&sjid=IlENAAAAIBAJ&dq=gettysburg%20youth-conservation-corps&pg=3272%2C1022741

Plum Run course
Location	Description	Coordinates
headpoints	triple pt (Stevens Stevens Run (Rock Creek) Stevens Run is a tributary of Rock Creek flowing over the Gettysburg Battlefield and through the borough of Gettysburg, Pennsylvania. Within the borough the stream is in a concrete channel, including a covered portion. From 1884 to 1942, the run was spanned by three bridges of the Round Top...  & Guinn Runs) N of Codori house & barn	39.813151°N 77.23556°W 39.81178°N 77.24021°W
crossing	(historical) Emmitsburg Rd
perennial flow	USGS map Google Maps Google Maps Google Maps is a web mapping service application and technology provided by Google, free , that powers many map-based services, including the Google Maps website, Google Ride Finder, Google Transit, and maps embedded on third-party websites via the Google Maps API...	38.80919°N 77.23832°W 39.808219°N 77.238892°W
bridge	United States Avenue
	crossing	39.801295°N 77.241134°W
confluence	run
culvert	Wheatfield Road Wheatfield Road The Wheatfield Road is a Gettysburg Battlefield crossroad from the Peach Orchard east-southeastward along the north side of The Wheatfield , north of the Valley of Death, and over the north foot of Little Round Top...
culvert	Crawford Avenue	39.796271°N 77.238661°W
confluence	run from Weikert Hill
bridge	Warren Avenue
bridge	for Slaughter Pen Slaughter Pen The Slaughter Pen is a narrow portion of the Plum Run valley with diabase boulders between Big Round Top and Devil's Den where on the 1863 Battle of Gettysburg, Second Day, the 40th New York Volunteer Infantry Regiment forced the 17th and 2nd Georgia Regiments of Benning's Brigade from near the...  pedestrians
site	1894-1917 trolley bridge Gettysburg Electric Railway The Gettysburg Electric Railway was a borough trolley that provided summer access to Gettysburg Battlefield visitor attractions such as military engagement areas, monuments, postbellum camps, and recreation areas...	39.790167°N 77.243446°W
confluence	Rose Run
run	confluence	39.78926°N 77.245211°W
bridge	along horse trail fording	39.788244°N 77.245694°W
bridge	Confederate Avenue (1937)http://news.google.com/newspapers?id=hIklAAAAIBAJ&sjid=ufIFAAAAIBAJ&pg=6215,2484659&dq=south-confederate+gettysburg&hl=en
confluence	Heagy's Woods Run	[relative location tbd TBD TBD is an abbreviation often meaning in ordinary writing "to be discussed" "to be done", "to be defined", "to be decided", "to be determined", etc... ]
boundary	National Park Gettysburg National Military Park The Gettysburg National Military Park is an administrative unit of the National Park Service's northeast region and a subunit of federal properties of Adams County, Pennsylvania, with the same name, including the Gettysburg National Cemetery... /Township
confluence	run from Ridge Road Ridge Road Ridge Road may refer to:*Ireland** Ridge Road *USA**Blue Ridge Road, a New York State Scenic Byway in Essex County, New York**Ridge Road **Ridge Route in California...
bridge	Knight Road
bridge	US 15
bridge	(private)
confluence	run from north
confluence	run from west
bridge	PA 134 Pennsylvania Route 134 Pennsylvania Route 134 , also called Taneytown Road, is a north–south, two-lane state highway in Pennsylvania. It runs in Cumberland and Mount Joy townships from Gettysburg to the Mason-Dixon Line...	39.765039°N 77.231998°W
mouth	Rock Creek (Monocacy River)	39.758969°N 77.226806°W