High Water Mark Victory for the Union The route of Pickett's Charge occurred between Seminary Ridge and Cemetery Ridge. Almost one mile of open ground lies between these two areas. Did you know? General Meade, commander of the Union's "Army of the Potomac" at the Battle of Gettysburg, was assigned to command the army just three days before the battle. Source: http://www.nps.gov/gett Video by Sheri D'Elia