城(cheng)(cheng)(cheng)(cheng)址(zhi)(zhi)依起(qi)伏的山脊(ji)構筑(zhu)城(cheng)(cheng)(cheng)(cheng)垣,平(ping)面呈不規則形,周長(chang)約7公里(li),面積約120萬(wan)平(ping)方米(mi)。城(cheng)(cheng)(cheng)(cheng)墻(qiang)石筑(zhu),現高約2~3米(mi),緊貼城(cheng)(cheng)(cheng)(cheng)墻(qiang)內(nei)側(ce)(ce)有(you)(you)(you)寬2~5米(mi)的壕溝。目前發(fa)現門(men)(men)址(zhi)(zhi)5處(chu),其中(zhong)東(dong)(dong)、西(xi)、北(bei)墻(qiang)各(ge)1,唯南(nan)(nan)墻(qiang)辟(pi)有(you)(you)(you)2門(men)(men),門(men)(men)道(dao)現寬均約8米(mi)。城(cheng)(cheng)(cheng)(cheng)內(nei)發(fa)現3處(chu)?望(wang)臺。1處(chu)位于(yu)北(bei)門(men)(men)內(nei)東(dong)(dong)南(nan)(nan)約300米(mi)的小山之上;另兩處(chu)分(fen)別(bie)位于(yu)城(cheng)(cheng)(cheng)(cheng)址(zhi)(zhi)西(xi)南(nan)(nan)角和(he)(he)東(dong)(dong)南(nan)(nan)角。西(xi)南(nan)(nan)角的?望(wang)臺現高約3米(mi),直(zhi)徑約30米(mi),石筑(zhu)而成,登臺?望(wang),琿春河(he)下游平(ping)原一覽無余。城(cheng)(cheng)(cheng)(cheng)內(nei)現存有(you)(you)(you)3處(chu)水池(chi)遺(yi)跡。2處(chu)約距東(dong)(dong)門(men)(men)50~60米(mi)處(chu),一處(chu)位于(yu)西(xi)南(nan)(nan)門(men)(men)內(nei)約500米(mi)處(chu)。水池(chi)外緣石砌,當(dang)為(wei)蓄水之用。城(cheng)(cheng)(cheng)(cheng)內(nei)發(fa)現建筑(zhu)遺(yi)址(zhi)(zhi)兩處(chu),分(fen)別(bie)位于(yu)北(bei)門(men)(men)內(nei)?望(wang)臺西(xi)側(ce)(ce)和(he)(he)北(bei)側(ce)(ce)的山麓緩坡之上。地(di)表(biao)散見較(jiao)多的灰(hui)色(se)(se)和(he)(he)褐(he)色(se)(se)布紋(wen)(wen)瓦片,瓦身凸(tu)面施(shi)有(you)(you)(you)繩紋(wen)(wen)、席紋(wen)(wen)和(he)(he)方格紋(wen)(wen),亦見指壓紋(wen)(wen)板瓦,還(huan)見有(you)(you)(you)褐(he)色(se)(se)網格紋(wen)(wen)板瓦。其中(zhong)一件灰(hui)瓦印有(you)(you)(you)陽(yang)文“王”字(zi),其下仍有(you)(you)(you)文字(zi),惜已殘缺。城(cheng)(cheng)(cheng)(cheng)內(nei)曾出土有(you)(you)(you)輪(lun)制陶片、耳(er)和(he)(he)鐵鏃。
目前(qian)學術(shu)界對(dui)(dui)薩其城(cheng)(cheng)(cheng)的(de)年(nian)代和(he)(he)性(xing)(xing)質(zhi)考證,觀點不一。《琿(hun)春縣文物志(zhi)》認為城(cheng)(cheng)(cheng)址(zhi)為渤海(hai)時(shi)期軍事性(xing)(xing)山(shan)城(cheng)(cheng)(cheng)。李(li)健才在(zai)《琿(hun)春渤海(hai)古城(cheng)(cheng)(cheng)考》中,提出薩其城(cheng)(cheng)(cheng)為高(gao)句麗“柵城(cheng)(cheng)(cheng)府”,渤海(hai)穆(mu)州(zhou)或賀州(zhou)州(zhou)治。由于(yu)城(cheng)(cheng)(cheng)址(zhi)未經(jing)發(fa)掘(jue),以(yi)往對(dui)(dui)城(cheng)(cheng)(cheng)址(zhi)年(nian)代、性(xing)(xing)質(zhi)的(de)認定多依(yi)據歷(li)史(shi)地理考證和(he)(he)地表調查,缺乏(fa)確(que)實(shi)可信(xin)的(de)實(shi)證依(yi)據。薩其城(cheng)(cheng)(cheng)規模很大,吉(ji)林省境(jing)內的(de)山(shan)城(cheng)(cheng)(cheng)中少見(jian)。城(cheng)(cheng)(cheng)內出土遺物豐富,可能存在(zai)多個時(shi)期的(de)遺存。以(yi)往學術(shu)界對(dui)(dui)大量(liang)發(fa)現于(yu)吉(ji)林延(yan)邊地區(qu)的(de)山(shan)城(cheng)(cheng)(cheng)城(cheng)(cheng)(cheng)址(zhi)年(nian)代、性(xing)(xing)質(zhi)的(de)認定頗具(ju)爭(zheng)議,對(dui)(dui)薩其城(cheng)(cheng)(cheng)開展進一步研究(jiu),對(dui)(dui)開展高(gao)句麗疆域,渤海(hai)行政(zheng)區(qu)劃(hua),以(yi)及吉(ji)林東部地區(qu)山(shan)城(cheng)(cheng)(cheng)的(de)年(nian)代、性(xing)(xing)質(zhi)研究(jiu)均具(ju)有(you)極為重要的(de)現實(shi)意義。