石(shi)(shi)(shi)臺子山(shan)(shan)城(cheng)(cheng)位(wei)于(yu)沈陽市(shi)區東北35公里輝山(shan)(shan)風景區內(nei)的棋盤山(shan)(shan)水庫北岸,北鄰鐵(tie)嶺,東南(nan)(nan)與撫(fu)順相(xiang)(xiang)望。山(shan)(shan)城(cheng)(cheng)借助山(shan)(shan)體自(zi)然(ran)形(xing)(xing)(xing)(xing)勢(shi)人工修筑(zhu)(zhu)而(er)成,為一(yi)座(zuo)閉合式的石(shi)(shi)(shi)壘山(shan)(shan)城(cheng)(cheng),平面(mian)呈不規則的三角(jiao)形(xing)(xing)(xing)(xing),周長1384.1米,環城(cheng)(cheng)墻(qiang)(qiang)(qiang)體一(yi)周共設(she)有(you)10座(zuo)馬(ma)面(mian),4個城(cheng)(cheng)門(men)(men)。山(shan)(shan)勢(shi)西(xi)高東低,南(nan)(nan)寬(kuan)北窄,四角(jiao)相(xiang)(xiang)對較高。山(shan)(shan)城(cheng)(cheng)墻(qiang)(qiang)(qiang)體斷面(mian)呈梯狀(zhuang)(zhuang),內(nei)外墻(qiang)(qiang)(qiang)面(mian)為形(xing)(xing)(xing)(xing)狀(zhuang)(zhuang)規整(zheng)的楔形(xing)(xing)(xing)(xing)石(shi)(shi)(shi)塊(kuai)砌(qi)筑(zhu)(zhu),墻(qiang)(qiang)(qiang)面(mian)里為棱(leng)形(xing)(xing)(xing)(xing)的插(cha)石(shi)(shi)(shi)。里墻(qiang)(qiang)(qiang)一(yi)周均有(you)夯土護(hu)坡向城(cheng)(cheng)內(nei)緩延,個別處(chu)尚有(you)護(hu)坡石(shi)(shi)(shi)。墻(qiang)(qiang)(qiang)體自(zi)下(xia)而(er)上有(you)一(yi)定程度的內(nei)收,墻(qiang)(qiang)(qiang)體底寬(kuan)6-7米不等(deng),頂(ding)殘寬(kuan)5.6米,殘高最高處(chu)3.9米。10座(zuo)馬(ma)面(mian)之(zhi)間相(xiang)(xiang)距(ju)約(yue)60米,馬(ma)面(mian)皆為方形(xing)(xing)(xing)(xing)或近長方形(xing)(xing)(xing)(xing)。4個城(cheng)(cheng)門(men)(men)分別設(she)筑(zhu)(zhu)在東、南(nan)(nan)、西(xi)、北四面(mian),且門(men)(men)下(xia)皆有(you)城(cheng)(cheng)內(nei)向外排水系統。在南(nan)(nan)門(men)(men)西(xi)側還發現一(yi)大涵(han)洞,洞口兩側用較大的條石(shi)(shi)(shi)砌(qi)筑(zhu)(zhu),高1.02米,寬(kuan)0.80米。城(cheng)(cheng)址內(nei)有(you)房(fang)址、灰(hui)坑,房(fang)址皆為石(shi)(shi)(shi)砌(qi),灰(hui)坑形(xing)(xing)(xing)(xing)狀(zhuang)(zhuang)各異,圓(yuan)形(xing)(xing)(xing)(xing)居多,另有(you)橢圓(yuan)形(xing)(xing)(xing)(xing)及不規則長方形(xing)(xing)(xing)(xing)等(deng)。出土遺物有(you)陶器、鐵(tie)器、銅器、骨器和錢(qian)幣等(deng)。