城(cheng)址依起伏的山脊構筑城(cheng)垣,平面(mian)(mian)呈(cheng)不規則形,周長約(yue)(yue)7公里(li),面(mian)(mian)積約(yue)(yue)120萬平方米(mi)。城(cheng)墻(qiang)石(shi)筑,現(xian)(xian)高約(yue)(yue)2~3米(mi),緊(jin)貼城(cheng)墻(qiang)內(nei)側(ce)有(you)寬2~5米(mi)的壕溝。目前發現(xian)(xian)門址5處(chu),其(qi)中(zhong)東、西、北墻(qiang)各1,唯南(nan)(nan)(nan)墻(qiang)辟有(you)2門,門道現(xian)(xian)寬均約(yue)(yue)8米(mi)。城(cheng)內(nei)發現(xian)(xian)3處(chu)?望(wang)(wang)臺(tai)。1處(chu)位(wei)于北門內(nei)東南(nan)(nan)(nan)約(yue)(yue)300米(mi)的小山之(zhi)上;另兩(liang)處(chu)分別位(wei)于城(cheng)址西南(nan)(nan)(nan)角(jiao)和(he)東南(nan)(nan)(nan)角(jiao)。西南(nan)(nan)(nan)角(jiao)的?望(wang)(wang)臺(tai)現(xian)(xian)高約(yue)(yue)3米(mi),直徑約(yue)(yue)30米(mi),石(shi)筑而成(cheng),登臺(tai)?望(wang)(wang),琿春河(he)下游平原(yuan)一(yi)覽無(wu)余。城(cheng)內(nei)現(xian)(xian)存有(you)3處(chu)水池遺跡(ji)。2處(chu)約(yue)(yue)距東門50~60米(mi)處(chu),一(yi)處(chu)位(wei)于西南(nan)(nan)(nan)門內(nei)約(yue)(yue)500米(mi)處(chu)。水池外緣(yuan)石(shi)砌,當為蓄水之(zhi)用(yong)。城(cheng)內(nei)發現(xian)(xian)建筑遺址兩(liang)處(chu),分別位(wei)于北門內(nei)?望(wang)(wang)臺(tai)西側(ce)和(he)北側(ce)的山麓緩坡(po)之(zhi)上。地表散見(jian)(jian)較多(duo)的灰色(se)和(he)褐(he)色(se)布紋(wen)(wen)(wen)瓦片,瓦身凸面(mian)(mian)施有(you)繩紋(wen)(wen)(wen)、席紋(wen)(wen)(wen)和(he)方格(ge)紋(wen)(wen)(wen),亦見(jian)(jian)指(zhi)壓紋(wen)(wen)(wen)板瓦,還見(jian)(jian)有(you)褐(he)色(se)網(wang)格(ge)紋(wen)(wen)(wen)板瓦。其(qi)中(zhong)一(yi)件灰瓦印有(you)陽(yang)文“王(wang)”字,其(qi)下仍有(you)文字,惜已殘缺(que)。城(cheng)內(nei)曾出土(tu)有(you)輪制陶片、耳和(he)鐵(tie)鏃。
目前學術界對(dui)薩其(qi)(qi)城(cheng)(cheng)(cheng)的年(nian)代和性(xing)質(zhi)考證(zheng),觀(guan)點不一(yi)。《琿春縣文物志》認為城(cheng)(cheng)(cheng)址(zhi)為渤(bo)海時(shi)(shi)期軍事性(xing)山(shan)(shan)城(cheng)(cheng)(cheng)。李健才在《琿春渤(bo)海古城(cheng)(cheng)(cheng)考》中(zhong),提出薩其(qi)(qi)城(cheng)(cheng)(cheng)為高句(ju)麗(li)(li)“柵城(cheng)(cheng)(cheng)府”,渤(bo)海穆(mu)州或賀州州治。由于城(cheng)(cheng)(cheng)址(zhi)未經(jing)發(fa)掘,以(yi)往(wang)對(dui)城(cheng)(cheng)(cheng)址(zhi)年(nian)代、性(xing)質(zhi)的認定多依(yi)據歷史(shi)地理(li)考證(zheng)和地表調查,缺(que)乏確實可信的實證(zheng)依(yi)據。薩其(qi)(qi)城(cheng)(cheng)(cheng)規模(mo)很大,吉林省境內的山(shan)(shan)城(cheng)(cheng)(cheng)中(zhong)少見。城(cheng)(cheng)(cheng)內出土遺物豐(feng)富,可能存在多個時(shi)(shi)期的遺存。以(yi)往(wang)學術界對(dui)大量發(fa)現于吉林延邊地區(qu)的山(shan)(shan)城(cheng)(cheng)(cheng)城(cheng)(cheng)(cheng)址(zhi)年(nian)代、性(xing)質(zhi)的認定頗具(ju)爭議,對(dui)薩其(qi)(qi)城(cheng)(cheng)(cheng)開展(zhan)進一(yi)步(bu)研(yan)究,對(dui)開展(zhan)高句(ju)麗(li)(li)疆域,渤(bo)海行政區(qu)劃(hua),以(yi)及吉林東(dong)部地區(qu)山(shan)(shan)城(cheng)(cheng)(cheng)的年(nian)代、性(xing)質(zhi)研(yan)究均具(ju)有極為重要的現實意義。