What US Civil War battle displayed the most significant value of each sides cavalry?

The Battle of Gettysburg, fought from July 1 to July 3, 1863, showcased the significant value of cavalry on both sides. The Union cavalry, led by General George Custer, played a crucial role in delaying Confederate forces and gathering intelligence, while the Confederate cavalry, commanded by General J.E.B. Stuart, aimed to disrupt Union communications and supply lines. The cavalry engagements, particularly on the first day, highlighted their importance in reconnaissance and protecting flanks, ultimately influencing the battle's outcome. This battle underscored the strategic impact cavalry could have in large-scale confrontations.