云(yun)中(zhong)郡(jun)(jun)故城(cheng)(cheng)(cheng)(cheng)遺址南墻長1920米(mi),殘高4.5米(mi),寬6.5米(mi),夯層厚8~12厘米(mi)。城(cheng)(cheng)(cheng)(cheng)墻夯土(tu)中(zhong)含(han)有戰國(guo)(guo)至西漢(han)(han)陶片(pian),外層夯土(tu)還夾雜北朝(chao)(chao)遺物。城(cheng)(cheng)(cheng)(cheng)內地表散布的陶片(pian)瓦礫大都(dou)是漢(han)(han)魏北朝(chao)(chao)遺物,下土(tu)中(zhong)有戰國(guo)(guo)、秦(qin)代遺存。西南隅散布有石柱礎、磚瓦等北朝(chao)(chao)遺物,原為(wei)(wei)一(yi)方形小城(cheng)(cheng)(cheng)(cheng),當(dang)是官署所在(zai)。城(cheng)(cheng)(cheng)(cheng)西墻外有古(gu)墓群,曾發(fa)掘東漢(han)(han)閔氏(shi)壁(bi)畫墓一(yi)座。史載戰國(guo)(guo)趙武靈(ling)王曾于(yu)陰山河曲筑(zhu)城(cheng)(cheng)(cheng)(cheng),"晝見群鵠游于(yu)云(yun)中(zhong)",因名(ming)城(cheng)(cheng)(cheng)(cheng)為(wei)(wei)"云(yun)中(zhong)",當(dang)是此(ci)城(cheng)(cheng)(cheng)(cheng)。秦(qin)置云(yun)中(zhong)郡(jun)(jun),城(cheng)(cheng)(cheng)(cheng)為(wei)(wei)郡(jun)(jun)治,漢(han)(han)因之,魏設云(yun)中(zhong)縣。此(ci)為(wei)(wei)內蒙古(gu)西部(bu)地區早建(jian)立的城(cheng)(cheng)(cheng)(cheng)池。
為做(zuo)好云中郡故(gu)城的文物保(bao)(bao)(bao)護(hu)工作,托克托縣文體局邀請有(you)關部門和(he)單位對(dui)云中郡故(gu)城文物保(bao)(bao)(bao)護(hu)情況進行評估(gu),并(bing)編制相關保(bao)(bao)(bao)護(hu)規劃工作綱(gang)要,旨在使(shi)遺址得到延(yan)續性保(bao)(bao)(bao)護(hu)、利(li)用、管理和(he)研究。