The monument to the 88th Pennsylvania Volunteers is northwest of Gettysburg on Doubleday Avenue, the site of the regiment’s position during the fighting on July 1st. (39.84341° N, 77.24208° W;  Tour map: Doubleday & Robinson AvenuesGoogle maps to all four monuments and markers) It was dedicated by the State of Pennsylvania in 1889.

Three position markers were erected in 1883:

A marker about 80 yards west of the monument on Oak Ridge shows the extent of the regiment’s charge on July 1st. (39.843592° N, 77.242902° W)

A marker south of Gettysburg on Cemetery Ridge shows the regiment’s position during the evening of July 2nd. (39.806506° N, 77.235006° W; Tour map: Hancock Avenue Part 1)

A marker in Ziegler’s Grove shows the regiment’s final position from July 3 to July 6. (39.81698° N, 77.23414° W; Tour map: Hancock Avenue at Ziegler’s Grove)

The 88th Pennsylvania was commanded at the Battle of Gettysburg by Major Benezet F. Foust. He was wounded on the 1st, and Captain Edmund A. Mass then took command. When Captain Mass was captured Captain Henry Whiteside took over the regiment.

The Medal of honor as it looked at the time of the Civil War First Sergeant Edward L. Gilligan of Company E was awarded the Medal of Honor for his actions on July 3rd when he “Assisted in the capture of a Confederate flag by knocking down the color sergeant.”
1st Corps Headquarters Flag 1C-2D

Monument to the 88th Pennsylvania at Gettysburg

From the main monument:

About noon, July 1st 1863, the regiment was in line along the Mummasburg Road, 200 yards S.E. of this monument. Later it changed direction and formed here, charged forward and captured two battle flags and a number of prisoners. at 4 p.m. the Division was overpowered and forced through the town.

July 2nd the regiment was in position facing the Emmitsburg Road and on July 3rd at Ziegler’s Grove, as indicated by markers.

Recruited in Philadelphia and Reading. Mustered in September 1861. Re-enlisted January 1864. Mustered out June 30th 1865.

Engagements: Cedar Mountain, Rappahannock Station, Thoroughfare Gap, Second Bull Run, Chantilly, Antietam, Fredericksburg, Chancellorsville, Gettysburg, Mine Run, Wilderness, Spottsylvania, North Anna, Totopotomoy, Bethesda Church, Cold Harbor, Peteresburg, Weldon R.R., Dabney’s Mill, Boydton Road, Five Forks, Appomattox.

Marker for the 88th Pennsylvania Infantry on Oak Ridge at Gettysburg

Marker for the regiment on Oak Ridge

From the position marker to the west of the monument:

On the afternoon of July 1st 1863 the regiment charged to this point capturing two battle flags and a number of prisoners.

88 PA. Vol.
2nd Brigade 2nd Division 1st Corps

Erected by the survivors
August 27, 1883

Marker for the 88th Pennsylvania Infantry on Cemetery Ridge at Gettysburg

Marker for the regiment on Cemetery Ridge

From the Cemetery Ridge marker along Hancock Avenue:

Held this position from the evening of July 2nd 1863 until the morning of July 3rd. The principal monument is erected on Oak Ridge, scene of the first day’s battle.

88 PA. Vol.
2nd Brigade 2nd Division 1st Corps

Erected by the survivors
August 27, 1883

Marker for the 88th Pennsylvania Infantry in Ziegler's Grove at Gettysburg

Marker for the regiment in Ziegler’s Grove

From the Ziegler’s Grove marker:

Arrived here in time to assist in repelling the enemy’s charge on July 3rd 1863 and remained until the morning of July 6th

88 PA. Vol.
2nd Brigade 2nd Division 1st Corps

Men engaged 294
”  killed 18
”  wounded 50
”  missing 53
Erected by survivors
August 27, 1883.

The principal monument is erected on Oak Ridge the scene of the first  day’s battle

Marker in Ziegler's Grove at Gettysburg for the 88th Pennsylvania Infantry

The marker in Ziegler’s Grove

See more on the 88th Pennsylvania Volunteers in the Civil War