城(cheng)(cheng)址(zhi)依起伏(fu)的(de)(de)山脊構筑(zhu)城(cheng)(cheng)垣,平面(mian)呈不(bu)規則形,周長約(yue)(yue)7公里,面(mian)積約(yue)(yue)120萬平方米(mi)。城(cheng)(cheng)墻(qiang)石(shi)(shi)筑(zhu),現(xian)高約(yue)(yue)2~3米(mi),緊(jin)貼城(cheng)(cheng)墻(qiang)內(nei)側有寬(kuan)2~5米(mi)的(de)(de)壕溝。目前發(fa)現(xian)門(men)址(zhi)5處(chu)(chu)(chu)(chu)(chu),其(qi)中東、西(xi)、北墻(qiang)各1,唯南(nan)(nan)墻(qiang)辟有2門(men),門(men)道現(xian)寬(kuan)均約(yue)(yue)8米(mi)。城(cheng)(cheng)內(nei)發(fa)現(xian)3處(chu)(chu)(chu)(chu)(chu)?望(wang)臺(tai)。1處(chu)(chu)(chu)(chu)(chu)位于(yu)北門(men)內(nei)東南(nan)(nan)約(yue)(yue)300米(mi)的(de)(de)小山之(zhi)上;另兩(liang)處(chu)(chu)(chu)(chu)(chu)分別(bie)位于(yu)城(cheng)(cheng)址(zhi)西(xi)南(nan)(nan)角(jiao)和(he)東南(nan)(nan)角(jiao)。西(xi)南(nan)(nan)角(jiao)的(de)(de)?望(wang)臺(tai)現(xian)高約(yue)(yue)3米(mi),直徑約(yue)(yue)30米(mi),石(shi)(shi)筑(zhu)而成,登臺(tai)?望(wang),琿春河下游平原一覽無余。城(cheng)(cheng)內(nei)現(xian)存有3處(chu)(chu)(chu)(chu)(chu)水池遺(yi)跡。2處(chu)(chu)(chu)(chu)(chu)約(yue)(yue)距(ju)東門(men)50~60米(mi)處(chu)(chu)(chu)(chu)(chu),一處(chu)(chu)(chu)(chu)(chu)位于(yu)西(xi)南(nan)(nan)門(men)內(nei)約(yue)(yue)500米(mi)處(chu)(chu)(chu)(chu)(chu)。水池外緣石(shi)(shi)砌(qi),當為(wei)蓄水之(zhi)用。城(cheng)(cheng)內(nei)發(fa)現(xian)建筑(zhu)遺(yi)址(zhi)兩(liang)處(chu)(chu)(chu)(chu)(chu),分別(bie)位于(yu)北門(men)內(nei)?望(wang)臺(tai)西(xi)側和(he)北側的(de)(de)山麓緩坡之(zhi)上。地表散見較多的(de)(de)灰(hui)色和(he)褐(he)色布紋(wen)(wen)瓦(wa)片(pian),瓦(wa)身凸面(mian)施有繩紋(wen)(wen)、席紋(wen)(wen)和(he)方格(ge)紋(wen)(wen),亦見指壓紋(wen)(wen)板瓦(wa),還見有褐(he)色網格(ge)紋(wen)(wen)板瓦(wa)。其(qi)中一件灰(hui)瓦(wa)印有陽文(wen)“王”字,其(qi)下仍有文(wen)字,惜(xi)已殘缺。城(cheng)(cheng)內(nei)曾出(chu)土(tu)有輪制(zhi)陶片(pian)、耳和(he)鐵鏃。
目前學術界(jie)對(dui)薩其城(cheng)的(de)年(nian)(nian)(nian)代和性(xing)(xing)質(zhi)考證,觀點不一。《琿(hun)春(chun)縣文物(wu)志》認(ren)(ren)為(wei)城(cheng)址(zhi)為(wei)渤海(hai)時期軍事性(xing)(xing)山(shan)(shan)城(cheng)。李健才在(zai)《琿(hun)春(chun)渤海(hai)古城(cheng)考》中,提出薩其城(cheng)為(wei)高句(ju)(ju)麗“柵城(cheng)府”,渤海(hai)穆州或(huo)賀州州治(zhi)。由于(yu)(yu)城(cheng)址(zhi)未(wei)經發(fa)掘,以(yi)往對(dui)城(cheng)址(zhi)年(nian)(nian)(nian)代、性(xing)(xing)質(zhi)的(de)認(ren)(ren)定多依據(ju)歷史地(di)理考證和地(di)表調查,缺乏(fa)確實(shi)可信(xin)的(de)實(shi)證依據(ju)。薩其城(cheng)規(gui)模很(hen)大(da),吉林省境(jing)內(nei)的(de)山(shan)(shan)城(cheng)中少見。城(cheng)內(nei)出土遺物(wu)豐富,可能存(cun)在(zai)多個時期的(de)遺存(cun)。以(yi)往學術界(jie)對(dui)大(da)量(liang)發(fa)現于(yu)(yu)吉林延邊地(di)區(qu)(qu)的(de)山(shan)(shan)城(cheng)城(cheng)址(zhi)年(nian)(nian)(nian)代、性(xing)(xing)質(zhi)的(de)認(ren)(ren)定頗(po)具爭議,對(dui)薩其城(cheng)開(kai)展(zhan)進一步研究,對(dui)開(kai)展(zhan)高句(ju)(ju)麗疆域,渤海(hai)行政區(qu)(qu)劃,以(yi)及吉林東部地(di)區(qu)(qu)山(shan)(shan)城(cheng)的(de)年(nian)(nian)(nian)代、性(xing)(xing)質(zhi)研究均具有極為(wei)重要(yao)的(de)現實(shi)意義。