六(liu)工城(cheng)(cheng)(cheng)遺址城(cheng)(cheng)(cheng)墻(qiang)底(di)寬4米(mi)(mi)(mi),頂寬2.8米(mi)(mi)(mi),高7.5米(mi)(mi)(mi),夯(hang)土版(ban)筑(zhu),夯(hang)層厚約0.16米(mi)(mi)(mi)。南﹑西﹑北三面(mian)(mian)各有城(cheng)(cheng)(cheng)門及甕城(cheng)(cheng)(cheng),城(cheng)(cheng)(cheng)墻(qiang)呈(cheng)直(zhi)線,唯以(yi)東(dong)(dong)(dong)(dong)城(cheng)(cheng)(cheng)墻(qiang)連(lian)續四(si)次內折,南、西、北墻(qiang)保存相對較好,外(wai)城(cheng)(cheng)(cheng)東(dong)(dong)(dong)(dong)墻(qiang)倒(dao)塌嚴(yan)重(zhong)。全城(cheng)(cheng)(cheng)共(gong)有內外(wai)角墩7個、馬面(mian)(mian)8個。大城(cheng)(cheng)(cheng)東(dong)(dong)(dong)(dong)北連(lian)接(jie)一座(zuo)小城(cheng)(cheng)(cheng)障,平(ping)面(mian)(mian)呈(cheng)方形,南面(mian)(mian)正中設門,東(dong)(dong)(dong)(dong)西長76米(mi)(mi)(mi),南北寬82米(mi)(mi)(mi),面(mian)(mian)積(ji)6232平(ping)方米(mi)(mi)(mi),夯(hang)土版(ban)筑(zhu),底(di)寬8.3米(mi)(mi)(mi),頂寬4.9米(mi)(mi)(mi),高10米(mi)(mi)(mi)。除東(dong)(dong)(dong)(dong)北角外(wai)側剝落較為(wei)嚴(yan)重(zhong)外(wai),其它墻(qiang)體保存完整。
六工城遺址是(shi)(shi)絲(si)綢之路(lu)上兩漢以來一處重要的城址,初步考(kao)證大城當為“宜禾(he)縣”,小(xiao)城當為“昆(kun)侖障”之故址。始建(jian)于漢代(dai),城外(wai)有農(nong)田水利遺跡,證實當時(shi)宜禾(he)城既是(shi)(shi)軍事要塞,又是(shi)(shi)農(nong)業屯(tun)墾區(qu),為研究絲(si)綢之路(lu)發展和各民族(zu)交(jiao)往(wang)有重要的價(jia)值(zhi)。