石(shi)(shi)臺子山(shan)(shan)(shan)城(cheng)(cheng)(cheng)位于沈陽市區東(dong)北(bei)35公里輝山(shan)(shan)(shan)風景區內(nei)(nei)(nei)的棋盤山(shan)(shan)(shan)水庫北(bei)岸,北(bei)鄰鐵嶺,東(dong)南(nan)與撫順相(xiang)(xiang)望。山(shan)(shan)(shan)城(cheng)(cheng)(cheng)借(jie)助山(shan)(shan)(shan)體(ti)自(zi)然(ran)形(xing)(xing)勢人(ren)工修筑(zhu)(zhu)而成(cheng),為(wei)一(yi)(yi)座(zuo)閉合(he)式的石(shi)(shi)壘山(shan)(shan)(shan)城(cheng)(cheng)(cheng),平面(mian)呈不(bu)(bu)規則的三(san)角形(xing)(xing),周長1384.1米(mi)(mi),環城(cheng)(cheng)(cheng)墻(qiang)(qiang)體(ti)一(yi)(yi)周共(gong)設有10座(zuo)馬面(mian),4個(ge)城(cheng)(cheng)(cheng)門(men)。山(shan)(shan)(shan)勢西(xi)高東(dong)低,南(nan)寬(kuan)北(bei)窄,四角相(xiang)(xiang)對較(jiao)高。山(shan)(shan)(shan)城(cheng)(cheng)(cheng)墻(qiang)(qiang)體(ti)斷面(mian)呈梯(ti)狀(zhuang),內(nei)(nei)(nei)外(wai)墻(qiang)(qiang)面(mian)為(wei)形(xing)(xing)狀(zhuang)規整的楔形(xing)(xing)石(shi)(shi)塊砌筑(zhu)(zhu),墻(qiang)(qiang)面(mian)里為(wei)棱形(xing)(xing)的插(cha)石(shi)(shi)。里墻(qiang)(qiang)一(yi)(yi)周均有夯土護坡(po)向城(cheng)(cheng)(cheng)內(nei)(nei)(nei)緩(huan)延,個(ge)別(bie)(bie)處尚有護坡(po)石(shi)(shi)。墻(qiang)(qiang)體(ti)自(zi)下(xia)而上有一(yi)(yi)定程(cheng)度(du)的內(nei)(nei)(nei)收,墻(qiang)(qiang)體(ti)底寬(kuan)6-7米(mi)(mi)不(bu)(bu)等,頂(ding)殘(can)寬(kuan)5.6米(mi)(mi),殘(can)高最(zui)高處3.9米(mi)(mi)。10座(zuo)馬面(mian)之間相(xiang)(xiang)距約60米(mi)(mi),馬面(mian)皆為(wei)方形(xing)(xing)或近長方形(xing)(xing)。4個(ge)城(cheng)(cheng)(cheng)門(men)分別(bie)(bie)設筑(zhu)(zhu)在(zai)東(dong)、南(nan)、西(xi)、北(bei)四面(mian),且門(men)下(xia)皆有城(cheng)(cheng)(cheng)內(nei)(nei)(nei)向外(wai)排水系統。在(zai)南(nan)門(men)西(xi)側(ce)還發(fa)現一(yi)(yi)大涵洞,洞口(kou)兩側(ce)用較(jiao)大的條石(shi)(shi)砌筑(zhu)(zhu),高1.02米(mi)(mi),寬(kuan)0.80米(mi)(mi)。城(cheng)(cheng)(cheng)址(zhi)內(nei)(nei)(nei)有房(fang)址(zhi)、灰坑,房(fang)址(zhi)皆為(wei)石(shi)(shi)砌,灰坑形(xing)(xing)狀(zhuang)各(ge)異,圓(yuan)形(xing)(xing)居多(duo),另有橢圓(yuan)形(xing)(xing)及不(bu)(bu)規則長方形(xing)(xing)等。出土遺(yi)物有陶器(qi)、鐵器(qi)、銅器(qi)、骨器(qi)和錢幣等。