The outcome of the battle for Lee’s Army of Northern Virginia was they suffered severe casualties and retreated.

The Confederate forces suffered considerable losses during the three days of combat at Gettysburg, with estimates indicating approximately 28,000 casualties. Following this defeat, Lee had no choice but to retreat his army to Virginia, signifying a pivotal moment in the Civil War. This withdrawal weakened the Confederate Army's capacity to launch offensive operations in the North and shifted the momentum in favor of the Union, ultimately influencing the war's overall trajectory.