 Sherman akaenda kuChattanooga, uko Grant akamurayiridza kuti arwise rutivi rworudyi rwemauto aBragg, ayo akanga akadzika midzi muMishinari Ridge. Musi waNovember 25, Sherman akatora chinangwa chake cheBilly Goat Hill kuchamhembe kwekuguma kwechikomo, chete kuti awane kuti yakaparadzaniswa kubva kumusana mukuru nechikomo chakakandwa nematombo. Apo akaedza kurwisa musana mukuru paTunnel Hill, mauto ake akadzoserwa kakawanda neboka raPatrick Cleburne rinorema, chikwata chakanakisisa muuto raBragg. Grant akabva arayira George Henry Thomas kuti arwise pakati pemutsetse weConfederate. Uku kurwisa kwakatarisana kwakatarisirwa sekutsausa, asi zvisingatarisirwi zvakabudirira mukutora masvingo emuvengi nekudzinga mauto eConfederate eTennessee, zvichiunza mushandirapamwe weChattanooga weUnion kupedzisa kubudirira. 