The monument to the Third Wisconsin Volunteers is southeast of Gettysburg on Colgrove Avenue south of Spangler’s Spring. (39.81251° N, 77.21598° W; Google map; Tour map: Spanglers Spring) It was dedicated by the State of Wisconsin on June 30, 1888.

About the monument to the 3rd Wisconsin

The granite monument stands 17′ tall and is similar in design to the 5th Wisconsin. Most of the monument is rough hewn, with a section of polished finish above the base which has inscriptions on the front and sides. The five-sided star at the top of the monument is the symbol of the Union Twelfth Army Corps.

The 3rd Wisconsin at the Battle of Gettysburg

The 3rd Wisconsin Infantry was commanded at the Battle of Gettysburg by Colonel William Hawley, a Madison furniture maker and veteran of the Mexican War. It brought 260 men to the field.

The regiment built breastworks at the location of the monument on the morning of July 2nd but in the late afternoon were ordered to reinforce the Union left flank around Little Round Top and left the position. When they returned that night Confederates has occupied the works. The regiment recaptured the position at dawn and held it for the rest of the battle.

12th Corps Headquarters flag 12th Corps, 1st Division Headquarters flag
The 3rd Wisconsin was attached to the 3rd Brigade1st DivisionTwelfth Army Corps

Monument to the 3rd Wisconsin Infantry at GettysburgFrom the front of the monument:

3rd. Wis. Vol.

This regiment went into position on the part of the line on the evening of July 1st. On the evening of the 2d it moved to the left to reinforce the 3d Corps; returned to this position the same night and remained until the morning of July 5.
Mustered into U.S. Service July 27, 1861.
Mustered out July 16, 1865

From the left side:

3rd. Brigade
1st Division
12th Corps.

From the right side:

Killed 2
Wounded 8

See more on the 3rd Wisconsin in the Civil War