草溝(gou)井城(cheng)址位(wei)于肅(su)南(nan)裕固族自治縣(xian)明(ming)花鄉南(nan)溝(gou)村西(xi)10千米處,南(nan)距甘新公路18千米。
南(nan)(nan)(nan)城(cheng)(cheng)保存較好,平(ping)(ping)(ping)面(mian)(mian)(mian)近方形(xing),東(dong)西長130米(mi)(mi)(mi)(mi)(mi),南(nan)(nan)(nan)北(bei)寬(kuan)120米(mi)(mi)(mi)(mi)(mi),面(mian)(mian)(mian)積15600平(ping)(ping)(ping)方米(mi)(mi)(mi)(mi)(mi)。南(nan)(nan)(nan)垣正(zheng)中(zhong)(zhong)設(she)門,筑(zhu)(zhu)有(you)(you)方形(xing)甕(weng)城(cheng)(cheng),城(cheng)(cheng)四角(jiao)(jiao)筑(zhu)(zhu)圓形(xing)角(jiao)(jiao)墩,北(bei)垣正(zheng)中(zhong)(zhong)有(you)(you)馬面(mian)(mian)(mian),南(nan)(nan)(nan)垣有(you)(you)馬道(dao),城(cheng)(cheng)垣底(di)寬(kuan)7米(mi)(mi)(mi)(mi)(mi),頂寬(kuan)3米(mi)(mi)(mi)(mi)(mi),高(gao)10米(mi)(mi)(mi)(mi)(mi),夯土版(ban)筑(zhu)(zhu),夯層厚0.18米(mi)(mi)(mi)(mi)(mi)。城(cheng)(cheng)西50米(mi)(mi)(mi)(mi)(mi)處有(you)(you)圍墻一道(dao),圍墻外(wai)分(fen)布(bu)有(you)(you)1米(mi)(mi)(mi)(mi)(mi)見方的窯坑(keng)。城(cheng)(cheng)內外(wai)地表遺存有(you)(you)殘(can)磚、瓦(wa)、黑白釉瓷(ci)片、青花(hua)瓷(ci)片、灰(hui)陶片及明代(dai)錢幣。北(bei)城(cheng)(cheng)平(ping)(ping)(ping)面(mian)(mian)(mian)呈方形(xing),東(dong)西長165米(mi)(mi)(mi)(mi)(mi),南(nan)(nan)(nan)北(bei)寬(kuan)158米(mi)(mi)(mi)(mi)(mi),面(mian)(mian)(mian)積26544平(ping)(ping)(ping)方米(mi)(mi)(mi)(mi)(mi)。城(cheng)(cheng)墻坍塌嚴重,殘(can)高(gao)1.5米(mi)(mi)(mi)(mi)(mi)左右(you)。該城(cheng)(cheng)四角(jiao)(jiao)原有(you)(you)角(jiao)(jiao)墩,現存殘(can)跡(ji)。南(nan)(nan)(nan)垣正(zheng)中(zhong)(zhong)開門,有(you)(you)甕(weng)城(cheng)(cheng)遺跡(ji)。城(cheng)(cheng)內東(dong)北(bei)角(jiao)(jiao)有(you)(you)一組建筑(zhu)(zhu)遺址,呈內外(wai)兩(liang)進院落(luo)。
草溝井城址(zhi)是河西走廊保(bao)存完整的古城之一,對研究漢(han)代和明代河西地區政(zheng)治、經濟、文化及城建史(shi)具(ju)有(you)重要的價值。
2013年被國務院核定為第七批全國重(zhong)點文物保護單位。