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(li)輝山(shan)(shan)(shan)風景區內(nei)(nei)的(de)(de)(de)棋盤(pan)山(shan)(shan)(shan)水庫北(bei)岸,北(bei)鄰鐵嶺,東(dong)南與撫順相望。山(shan)(shan)(shan)城(cheng)(cheng)(cheng)借助山(shan)(shan)(shan)體(ti)(ti)(ti)自(zi)然形(xing)勢人工修筑而(er)(er)成,為(wei)(wei)一(yi)(yi)(yi)座(zuo)閉合式的(de)(de)(de)石(shi)(shi)壘山(shan)(shan)(shan)城(cheng)(cheng)(cheng),平面(mian)(mian)呈不(bu)規(gui)則(ze)的(de)(de)(de)三角形(xing),周(zhou)長(chang)1384.1米(mi),環(huan)城(cheng)(cheng)(cheng)墻體(ti)(ti)(ti)一(yi)(yi)(yi)周(zhou)共設(she)有(you)(you)10座(zuo)馬(ma)面(mian)(mian),4個(ge)城(cheng)(cheng)(cheng)門。山(shan)(shan)(shan)勢西高東(dong)低(di),南寬(kuan)北(bei)窄,四角相對較(jiao)高。山(shan)(shan)(shan)城(cheng)(cheng)(cheng)墻體(ti)(ti)(ti)斷面(mian)(mian)呈梯狀(zhuang)(zhuang),內(nei)(nei)外墻面(mian)(mian)為(wei)(wei)形(xing)狀(zhuang)(zhuang)規(gui)整的(de)(de)(de)楔(xie)形(xing)石(shi)(shi)塊(kuai)砌筑,墻面(mian)(mian)里(li)為(wei)(wei)棱形(xing)的(de)(de)(de)插石(shi)(shi)。里(li)墻一(yi)(yi)(yi)周(zhou)均(jun)有(you)(you)夯土(tu)護坡向城(cheng)(cheng)(cheng)內(nei)(nei)緩延,個(ge)別處(chu)尚有(you)(you)護坡石(shi)(shi)。墻體(ti)(ti)(ti)自(zi)下而(er)(er)上(shang)有(you)(you)一(yi)(yi)(yi)定程度的(de)(de)(de)內(nei)(nei)收,墻體(ti)(ti)(ti)底寬(kuan)6-7米(mi)不(bu)等(deng),頂殘寬(kuan)5.6米(mi),殘高最高處(chu)3.9米(mi)。10座(zuo)馬(ma)面(mian)(mian)之間相距約60米(mi),馬(ma)面(mian)(mian)皆(jie)為(wei)(wei)方形(xing)或近長(chang)方形(xing)。4個(ge)城(cheng)(cheng)(cheng)門分別設(she)筑在東(dong)、南、西、北(bei)四面(mian)(mian),且門下皆(jie)有(you)(you)城(cheng)(cheng)(cheng)內(nei)(nei)向外排水系統(tong)。在南門西側還(huan)發現一(yi)(yi)(yi)大涵洞,洞口(kou)兩側用較(jiao)大的(de)(de)(de)條石(shi)(shi)砌筑,高1.02米(mi),寬(kuan)0.80米(mi)。城(cheng)(cheng)(cheng)址內(nei)(nei)有(you)(you)房址、灰坑,房址皆(jie)為(wei)(wei)石(shi)(shi)砌,灰坑形(xing)狀(zhuang)(zhuang)各異,圓(yuan)形(xing)居多,另有(you)(you)橢圓(yuan)形(xing)及不(bu)規(gui)則(ze)長(chang)方形(xing)等(deng)。出土(tu)遺物有(you)(you)陶(tao)器(qi)、鐵器(qi)、銅器(qi)、骨器(qi)和錢幣等(deng)。