A farkon sa'o'i na 3 ga Yuli, Sojojin Tarayyar a cikin Rundunar Sojoji na Goma sha biyu sun yi nasarar dakile wani hari na Confederate a kan Culp's Hill bayan yakin sa'o'i bakwai, kuma sun sake kafa katangarsu.Duk da imanin cewa mutanensa suna gab da samun nasara a ranar da ta gabata, Janar Lee ya yanke shawarar ba da umarnin kai hari a cibiyar kungiyar a Cemetery Ridge.Ya aika da runduna guda uku, kafin daga bisani wani makami mai linzami ya kai hari, domin kai farmaki ga dakarun sojojin da aka tona a kusan mil uku cikin hudu.Harin wanda kuma aka fi sani da "Pickett's Charge," George Pickett ne ya jagoranta kuma ya hada da sojoji kasa da 15,000.Kodayake Janar Longstreet ya nuna rashin amincewarsa, Janar Lee ya kuduri aniyar ci gaba da kai harin.Da misalin karfe 3 na yamma, bayan wani bama-bamai daga wasu bindigogi kimanin 150 na 'yan tawaye, an kai harin.Rundunar 'yan sandan tarayya ta bude wuta a kan sojojin da ke ci gaba da kasancewa a bayan bangon dutse, yayin da dakarun daga Vermont, New York, da Ohio suka kai hari ga bangarorin biyu na sojojin Confederate.Ƙungiyoyin Confederates sun makale kuma sun yi hasara mai yawa;kusan rabinsu ne suka tsira, kuma sashin Pickett ya rasa kashi biyu bisa uku na mutanensa.Wadanda suka tsira sun koma matsayinsu na farko, yayin da Lee da Longstreet suka yunkura don karfafa layin tsaronsu bayan cin nasarar da suka samu.