城(cheng)(cheng)址依起伏的(de)(de)山(shan)脊(ji)構筑(zhu)城(cheng)(cheng)垣(yuan),平(ping)(ping)面(mian)呈不規則形,周長約(yue)(yue)(yue)7公里,面(mian)積約(yue)(yue)(yue)120萬平(ping)(ping)方米(mi)。城(cheng)(cheng)墻(qiang)石(shi)筑(zhu),現(xian)高約(yue)(yue)(yue)2~3米(mi),緊貼城(cheng)(cheng)墻(qiang)內側有(you)寬(kuan)2~5米(mi)的(de)(de)壕(hao)溝。目前(qian)發現(xian)門(men)(men)(men)址5處(chu)(chu)(chu)(chu)(chu),其中東、西(xi)(xi)、北墻(qiang)各1,唯(wei)南(nan)墻(qiang)辟有(you)2門(men)(men)(men),門(men)(men)(men)道(dao)現(xian)寬(kuan)均約(yue)(yue)(yue)8米(mi)。城(cheng)(cheng)內發現(xian)3處(chu)(chu)(chu)(chu)(chu)?望(wang)臺(tai)。1處(chu)(chu)(chu)(chu)(chu)位(wei)(wei)于(yu)北門(men)(men)(men)內東南(nan)約(yue)(yue)(yue)300米(mi)的(de)(de)小(xiao)山(shan)之(zhi)上;另兩(liang)處(chu)(chu)(chu)(chu)(chu)分別位(wei)(wei)于(yu)城(cheng)(cheng)址西(xi)(xi)南(nan)角(jiao)和(he)東南(nan)角(jiao)。西(xi)(xi)南(nan)角(jiao)的(de)(de)?望(wang)臺(tai)現(xian)高約(yue)(yue)(yue)3米(mi),直(zhi)徑約(yue)(yue)(yue)30米(mi),石(shi)筑(zhu)而成,登臺(tai)?望(wang),琿春河下游平(ping)(ping)原(yuan)一(yi)覽無余。城(cheng)(cheng)內現(xian)存(cun)有(you)3處(chu)(chu)(chu)(chu)(chu)水(shui)(shui)池(chi)遺跡。2處(chu)(chu)(chu)(chu)(chu)約(yue)(yue)(yue)距東門(men)(men)(men)50~60米(mi)處(chu)(chu)(chu)(chu)(chu),一(yi)處(chu)(chu)(chu)(chu)(chu)位(wei)(wei)于(yu)西(xi)(xi)南(nan)門(men)(men)(men)內約(yue)(yue)(yue)500米(mi)處(chu)(chu)(chu)(chu)(chu)。水(shui)(shui)池(chi)外緣石(shi)砌(qi),當為(wei)蓄(xu)水(shui)(shui)之(zhi)用。城(cheng)(cheng)內發現(xian)建筑(zhu)遺址兩(liang)處(chu)(chu)(chu)(chu)(chu),分別位(wei)(wei)于(yu)北門(men)(men)(men)內?望(wang)臺(tai)西(xi)(xi)側和(he)北側的(de)(de)山(shan)麓緩坡之(zhi)上。地表散見較多的(de)(de)灰(hui)(hui)色(se)和(he)褐色(se)布紋(wen)(wen)瓦片,瓦身凸面(mian)施有(you)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,還見有(you)褐色(se)網(wang)格(ge)紋(wen)(wen)板瓦。其中一(yi)件(jian)灰(hui)(hui)瓦印有(you)陽文“王”字(zi),其下仍有(you)文字(zi),惜已殘缺(que)。城(cheng)(cheng)內曾出土有(you)輪制陶片、耳和(he)鐵鏃(zu)。
目前學術界對(dui)(dui)薩(sa)其城(cheng)(cheng)的(de)(de)年(nian)代和(he)性(xing)質(zhi)考(kao)(kao)證(zheng),觀點不(bu)一(yi)。《琿春(chun)縣文(wen)物志》認(ren)為城(cheng)(cheng)址(zhi)為渤(bo)海時期軍事性(xing)山(shan)城(cheng)(cheng)。李健才在《琿春(chun)渤(bo)海古城(cheng)(cheng)考(kao)(kao)》中,提出薩(sa)其城(cheng)(cheng)為高句麗(li)“柵城(cheng)(cheng)府”,渤(bo)海穆州或賀州州治。由于城(cheng)(cheng)址(zhi)未(wei)經發掘(jue),以(yi)往(wang)(wang)對(dui)(dui)城(cheng)(cheng)址(zhi)年(nian)代、性(xing)質(zhi)的(de)(de)認(ren)定(ding)多依據(ju)歷史(shi)地(di)(di)理(li)考(kao)(kao)證(zheng)和(he)地(di)(di)表調查,缺乏確實可(ke)信(xin)的(de)(de)實證(zheng)依據(ju)。薩(sa)其城(cheng)(cheng)規模(mo)很大,吉(ji)林(lin)省境內(nei)的(de)(de)山(shan)城(cheng)(cheng)中少見。城(cheng)(cheng)內(nei)出土遺物豐富(fu),可(ke)能存(cun)在多個時期的(de)(de)遺存(cun)。以(yi)往(wang)(wang)學術界對(dui)(dui)大量發現于吉(ji)林(lin)延邊地(di)(di)區(qu)的(de)(de)山(shan)城(cheng)(cheng)城(cheng)(cheng)址(zhi)年(nian)代、性(xing)質(zhi)的(de)(de)認(ren)定(ding)頗具(ju)爭(zheng)議,對(dui)(dui)薩(sa)其城(cheng)(cheng)開展進一(yi)步研究(jiu),對(dui)(dui)開展高句麗(li)疆域(yu),渤(bo)海行政區(qu)劃,以(yi)及吉(ji)林(lin)東部(bu)地(di)(di)區(qu)山(shan)城(cheng)(cheng)的(de)(de)年(nian)代、性(xing)質(zhi)研究(jiu)均具(ju)有極為重要的(de)(de)現實意義。