Union forces occupied Devil's Den on day one of the battle. Confederates from Texas, Alabama and Georgia drove them away by evening, and thereafter used the boulders as cover for sharpshooters taking aim at Federal troops on Little Round Top.
One of the more distinctive and most photographed boulders at Devil's Den.
Stones piled along Little Round Top's southern end mark the area where Union soldiers led by Col. Joshua Chamberlain repulsed waves of Confederate attacks over two hours on the second day of the battle. Their success saved the Union line.
