Ramba uchiverenga ndima ino - Chinhu chinonyanya kuoneka cheNamhansanseong chiri mukubudirira kwayo; kune nzvimbo yakakura, yakatwasuka inonzi Gorobong, ine nzvimbo yakaderera uye mativi akakwirira pamusoro pe 480 m pamusoro pegungwa, pamwe nekuve gomo rakakwirira pamusoro penzvimbo dzakatwasuka kuti zvive nyore kuona nzvimbo yakatenderedza. Nemhaka yezvinhu izvi, Namhansanseong yakashanda senzvimbo yekuraira kubvira panguva yeUnified Silla muzana ramakore rechinomwe. Silla yakabatana yakavaka nhare yeJujangseong apo Namhansanseong anogara nhasi kuti agadzire varume uye kugovera zvinhu apo yairwisana neTang Dynasty muzana remakore rechinomwe. Muzana remakore rechi13, panguva yeGoryeo Dynasty, Namhansanseong yaiva nhare yairwisa kupinda kwevaMongol
. Kubvira muzana remakore rechi17, Namhansanseong, iri pedyo neguta guru reSeoul, yakakura zvikuru kuva nhare yomumakomo, ichishanda seguta guru rinokosha ramambo weJoseon.