六(liu)工城(cheng)(cheng)(cheng)(cheng)遺址城(cheng)(cheng)(cheng)(cheng)墻底(di)寬(kuan)4米(mi)(mi)(mi),頂寬(kuan)2.8米(mi)(mi)(mi),高(gao)(gao)7.5米(mi)(mi)(mi),夯土版筑,夯層厚(hou)約0.16米(mi)(mi)(mi)。南(nan)﹑西﹑北(bei)(bei)三面(mian)各有城(cheng)(cheng)(cheng)(cheng)門(men)及甕城(cheng)(cheng)(cheng)(cheng),城(cheng)(cheng)(cheng)(cheng)墻呈直(zhi)線,唯以(yi)東(dong)城(cheng)(cheng)(cheng)(cheng)墻連續四次(ci)內(nei)折,南(nan)、西、北(bei)(bei)墻保存相對較好,外(wai)城(cheng)(cheng)(cheng)(cheng)東(dong)墻倒(dao)塌嚴重(zhong)。全城(cheng)(cheng)(cheng)(cheng)共有內(nei)外(wai)角(jiao)墩7個、馬(ma)面(mian)8個。大城(cheng)(cheng)(cheng)(cheng)東(dong)北(bei)(bei)連接一座小(xiao)城(cheng)(cheng)(cheng)(cheng)障,平面(mian)呈方形,南(nan)面(mian)正中設門(men),東(dong)西長(chang)76米(mi)(mi)(mi),南(nan)北(bei)(bei)寬(kuan)82米(mi)(mi)(mi),面(mian)積6232平方米(mi)(mi)(mi),夯土版筑,底(di)寬(kuan)8.3米(mi)(mi)(mi),頂寬(kuan)4.9米(mi)(mi)(mi),高(gao)(gao)10米(mi)(mi)(mi)。除(chu)東(dong)北(bei)(bei)角(jiao)外(wai)側剝落較為嚴重(zhong)外(wai),其它墻體保存完整。
六工(gong)城遺址是絲綢(chou)之(zhi)(zhi)路上兩漢以來一處重(zhong)要(yao)(yao)的城址,初步考證大(da)城當為(wei)(wei)“宜禾(he)縣”,小城當為(wei)(wei)“昆(kun)侖(lun)障”之(zhi)(zhi)故址。始建于漢代(dai),城外有(you)農田(tian)水利遺跡,證實當時宜禾(he)城既是軍事要(yao)(yao)塞,又是農業屯墾區,為(wei)(wei)研究絲綢(chou)之(zhi)(zhi)路發(fa)展和(he)各民族交往有(you)重(zhong)要(yao)(yao)的價值。