石(shi)(shi)臺子山(shan)(shan)(shan)城(cheng)位于(yu)沈陽市區東(dong)(dong)北(bei)(bei)35公里輝山(shan)(shan)(shan)風景區內(nei)的(de)(de)棋盤山(shan)(shan)(shan)水庫北(bei)(bei)岸(an),北(bei)(bei)鄰鐵(tie)嶺,東(dong)(dong)南與(yu)撫順相望(wang)。山(shan)(shan)(shan)城(cheng)借(jie)助山(shan)(shan)(shan)體(ti)自然形(xing)勢(shi)人工修(xiu)筑(zhu)而成,為(wei)(wei)(wei)一座(zuo)閉合式的(de)(de)石(shi)(shi)壘山(shan)(shan)(shan)城(cheng),平面(mian)呈不規則(ze)的(de)(de)三角形(xing),周(zhou)長(chang)1384.1米,環城(cheng)墻(qiang)(qiang)(qiang)體(ti)一周(zhou)共設有(you)(you)(you)(you)10座(zuo)馬(ma)(ma)面(mian),4個城(cheng)門(men)。山(shan)(shan)(shan)勢(shi)西(xi)(xi)高東(dong)(dong)低,南寬(kuan)(kuan)北(bei)(bei)窄,四(si)角相對較高。山(shan)(shan)(shan)城(cheng)墻(qiang)(qiang)(qiang)體(ti)斷(duan)面(mian)呈梯狀,內(nei)外墻(qiang)(qiang)(qiang)面(mian)為(wei)(wei)(wei)形(xing)狀規整的(de)(de)楔形(xing)石(shi)(shi)塊(kuai)砌(qi)筑(zhu),墻(qiang)(qiang)(qiang)面(mian)里為(wei)(wei)(wei)棱形(xing)的(de)(de)插石(shi)(shi)。里墻(qiang)(qiang)(qiang)一周(zhou)均有(you)(you)(you)(you)夯土護(hu)坡(po)向城(cheng)內(nei)緩延,個別(bie)處尚有(you)(you)(you)(you)護(hu)坡(po)石(shi)(shi)。墻(qiang)(qiang)(qiang)體(ti)自下(xia)而上有(you)(you)(you)(you)一定程度的(de)(de)內(nei)收(shou),墻(qiang)(qiang)(qiang)體(ti)底寬(kuan)(kuan)6-7米不等(deng),頂(ding)殘寬(kuan)(kuan)5.6米,殘高最高處3.9米。10座(zuo)馬(ma)(ma)面(mian)之間相距約60米,馬(ma)(ma)面(mian)皆(jie)(jie)為(wei)(wei)(wei)方形(xing)或近長(chang)方形(xing)。4個城(cheng)門(men)分別(bie)設筑(zhu)在東(dong)(dong)、南、西(xi)(xi)、北(bei)(bei)四(si)面(mian),且門(men)下(xia)皆(jie)(jie)有(you)(you)(you)(you)城(cheng)內(nei)向外排水系統。在南門(men)西(xi)(xi)側(ce)還(huan)發現一大(da)(da)涵洞,洞口兩側(ce)用(yong)較大(da)(da)的(de)(de)條石(shi)(shi)砌(qi)筑(zhu),高1.02米,寬(kuan)(kuan)0.80米。城(cheng)址(zhi)內(nei)有(you)(you)(you)(you)房(fang)(fang)址(zhi)、灰坑,房(fang)(fang)址(zhi)皆(jie)(jie)為(wei)(wei)(wei)石(shi)(shi)砌(qi),灰坑形(xing)狀各異,圓形(xing)居(ju)多(duo),另(ling)有(you)(you)(you)(you)橢圓形(xing)及不規則(ze)長(chang)方形(xing)等(deng)。出土遺物有(you)(you)(you)(you)陶器、鐵(tie)器、銅器、骨器和錢幣(bi)等(deng)。