云(yun)中(zhong)(zhong)郡故城(cheng)(cheng)(cheng)遺址南(nan)墻長(chang)1920米,殘高4.5米,寬(kuan)6.5米,夯層厚8~12厘米。城(cheng)(cheng)(cheng)墻夯土(tu)中(zhong)(zhong)含有(you)(you)戰(zhan)國(guo)至西漢(han)陶片(pian),外(wai)層夯土(tu)還夾雜北朝(chao)遺物(wu)(wu)。城(cheng)(cheng)(cheng)內地表(biao)散布的(de)陶片(pian)瓦礫大都(dou)是(shi)漢(han)魏(wei)北朝(chao)遺物(wu)(wu),下土(tu)中(zhong)(zhong)有(you)(you)戰(zhan)國(guo)、秦(qin)代遺存。西南(nan)隅散布有(you)(you)石柱(zhu)礎、磚瓦等北朝(chao)遺物(wu)(wu),原為一方(fang)形小(xiao)城(cheng)(cheng)(cheng),當是(shi)官(guan)署所在(zai)。城(cheng)(cheng)(cheng)西墻外(wai)有(you)(you)古墓群,曾發(fa)掘東(dong)漢(han)閔氏壁畫(hua)墓一座。史載戰(zhan)國(guo)趙武靈王曾于(yu)陰(yin)山河曲筑城(cheng)(cheng)(cheng),"晝(zhou)見群鵠游于(yu)云(yun)中(zhong)(zhong)",因名(ming)城(cheng)(cheng)(cheng)為"云(yun)中(zhong)(zhong)",當是(shi)此(ci)城(cheng)(cheng)(cheng)。秦(qin)置云(yun)中(zhong)(zhong)郡,城(cheng)(cheng)(cheng)為郡治,漢(han)因之(zhi),魏(wei)設云(yun)中(zhong)(zhong)縣。此(ci)為內蒙古西部地區早(zao)建立的(de)城(cheng)(cheng)(cheng)池。
為做(zuo)好云中郡故城的文(wen)物保(bao)護(hu)(hu)工作,托克托縣文(wen)體局邀請有關(guan)部門和單位(wei)對云中郡故城文(wen)物保(bao)護(hu)(hu)情況進行評估,并(bing)編制相(xiang)關(guan)保(bao)護(hu)(hu)規劃工作綱要,旨(zhi)在(zai)使遺址得到延續性(xing)保(bao)護(hu)(hu)、利(li)用、管(guan)理和研究。