城(cheng)址(zhi)依起伏的山(shan)(shan)脊構(gou)筑城(cheng)垣(yuan),平(ping)面呈不(bu)規則形,周長約(yue)(yue)7公里,面積約(yue)(yue)120萬平(ping)方米(mi)(mi)。城(cheng)墻(qiang)石(shi)筑,現高(gao)約(yue)(yue)2~3米(mi)(mi),緊貼(tie)城(cheng)墻(qiang)內(nei)(nei)側有(you)寬2~5米(mi)(mi)的壕溝。目前發(fa)現門(men)(men)(men)址(zhi)5處(chu)(chu)(chu)(chu)(chu)(chu),其中東(dong)、西、北墻(qiang)各(ge)1,唯(wei)南(nan)墻(qiang)辟有(you)2門(men)(men)(men),門(men)(men)(men)道現寬均約(yue)(yue)8米(mi)(mi)。城(cheng)內(nei)(nei)發(fa)現3處(chu)(chu)(chu)(chu)(chu)(chu)?望臺(tai)。1處(chu)(chu)(chu)(chu)(chu)(chu)位(wei)于(yu)北門(men)(men)(men)內(nei)(nei)東(dong)南(nan)約(yue)(yue)300米(mi)(mi)的小山(shan)(shan)之上(shang);另兩處(chu)(chu)(chu)(chu)(chu)(chu)分別位(wei)于(yu)城(cheng)址(zhi)西南(nan)角和東(dong)南(nan)角。西南(nan)角的?望臺(tai)現高(gao)約(yue)(yue)3米(mi)(mi),直徑約(yue)(yue)30米(mi)(mi),石(shi)筑而成(cheng),登臺(tai)?望,琿春河下游平(ping)原(yuan)一(yi)覽無(wu)余。城(cheng)內(nei)(nei)現存有(you)3處(chu)(chu)(chu)(chu)(chu)(chu)水(shui)池遺跡。2處(chu)(chu)(chu)(chu)(chu)(chu)約(yue)(yue)距東(dong)門(men)(men)(men)50~60米(mi)(mi)處(chu)(chu)(chu)(chu)(chu)(chu),一(yi)處(chu)(chu)(chu)(chu)(chu)(chu)位(wei)于(yu)西南(nan)門(men)(men)(men)內(nei)(nei)約(yue)(yue)500米(mi)(mi)處(chu)(chu)(chu)(chu)(chu)(chu)。水(shui)池外緣(yuan)石(shi)砌,當為(wei)蓄(xu)水(shui)之用。城(cheng)內(nei)(nei)發(fa)現建筑遺址(zhi)兩處(chu)(chu)(chu)(chu)(chu)(chu),分別位(wei)于(yu)北門(men)(men)(men)內(nei)(nei)?望臺(tai)西側和北側的山(shan)(shan)麓緩坡之上(shang)。地表散見(jian)(jian)較多的灰色和褐(he)色布紋(wen)瓦(wa)(wa)片,瓦(wa)(wa)身(shen)凸(tu)面施有(you)繩(sheng)紋(wen)、席(xi)紋(wen)和方格(ge)紋(wen),亦見(jian)(jian)指壓紋(wen)板(ban)瓦(wa)(wa),還見(jian)(jian)有(you)褐(he)色網(wang)格(ge)紋(wen)板(ban)瓦(wa)(wa)。其中一(yi)件灰瓦(wa)(wa)印有(you)陽文“王”字(zi),其下仍有(you)文字(zi),惜已殘缺。城(cheng)內(nei)(nei)曾出(chu)土有(you)輪制陶片、耳和鐵鏃。
目前學術界對薩其(qi)(qi)城(cheng)(cheng)的(de)(de)(de)(de)年(nian)(nian)(nian)代和性質(zhi)考證(zheng)(zheng),觀點不一(yi)。《琿春(chun)縣文物(wu)(wu)志(zhi)》認為(wei)城(cheng)(cheng)址為(wei)渤海時期軍事性山(shan)城(cheng)(cheng)。李健才在(zai)(zai)《琿春(chun)渤海古城(cheng)(cheng)考》中(zhong),提出薩其(qi)(qi)城(cheng)(cheng)為(wei)高句麗“柵城(cheng)(cheng)府”,渤海穆州或賀州州治。由于(yu)城(cheng)(cheng)址未(wei)經(jing)發掘,以(yi)往對城(cheng)(cheng)址年(nian)(nian)(nian)代、性質(zhi)的(de)(de)(de)(de)認定多依(yi)據(ju)歷(li)史地理考證(zheng)(zheng)和地表(biao)調查,缺乏確實可信的(de)(de)(de)(de)實證(zheng)(zheng)依(yi)據(ju)。薩其(qi)(qi)城(cheng)(cheng)規(gui)模很大,吉(ji)林(lin)省(sheng)境內的(de)(de)(de)(de)山(shan)城(cheng)(cheng)中(zhong)少見。城(cheng)(cheng)內出土遺物(wu)(wu)豐富,可能(neng)存在(zai)(zai)多個時期的(de)(de)(de)(de)遺存。以(yi)往學術界對大量發現于(yu)吉(ji)林(lin)延邊地區的(de)(de)(de)(de)山(shan)城(cheng)(cheng)城(cheng)(cheng)址年(nian)(nian)(nian)代、性質(zhi)的(de)(de)(de)(de)認定頗具爭議,對薩其(qi)(qi)城(cheng)(cheng)開展進一(yi)步研(yan)究,對開展高句麗疆域,渤海行政區劃,以(yi)及吉(ji)林(lin)東部地區山(shan)城(cheng)(cheng)的(de)(de)(de)(de)年(nian)(nian)(nian)代、性質(zhi)研(yan)究均具有極為(wei)重要的(de)(de)(de)(de)現實意義(yi)。