安城(cheng)城(cheng)墻系原安吉縣(xian)城(cheng)城(cheng)墻,在今(jin)安吉縣(xian)安城(cheng)鎮(zhen),距遞(di)鋪鎮(zhen)8公里(li),西(xi)(xi)苕溪西(xi)(xi)岸。四周(zhou)平地,西(xi)(xi)1.6公里(li)有金鐘(zhong)山。
東漢靈(ling)帝中平二(er)年(nian)(nian)(nian)(185)安(an)吉立縣時,縣治(zhi)設(she)在天(tian)目鄉(今(jin)孝豐(feng)鎮)。唐開元二(er)十(shi)六年(nian)(nian)(nian)(738)縣令孔(kong)志道遷(qian)治(zhi)于玉磬山東南。后(hou)(hou)又遷(qian)馬家渡西,即今(jin)安(an)城(cheng)鎮地。舊無城(cheng)郭。元末,明兵(bing)攻克安(an)吉、無帥(shuai)費愚、總管張俊德于丙申(shen)年(nian)(nian)(nian)(1356)奉令來戌,始筑(zhu)土城(cheng);次(ci)(ci)年(nian)(nian)(nian)重(zhong)(zhong)砌以石,延(yan)伸長(chang)度六里(li),高二(er)丈(zhang)余。門有四:東名迎春、南曰(yue)朝陽,西稱寶成(cheng),北號拱辰。城(cheng)瀕大溪,引水為濠,鑿濠為池,僅(jin)通舟筏(fa)。明洪武五、六年(nian)(nian)(nian)間(jian)(jian)(1372-1373),知縣張士(shi)良創建四城(cheng)譙樓。嘉靖三十(shi)二(er)年(nian)(nian)(nian)(1553)知州(zhou)林壁重(zhong)(zhong)修,并建譙樓更鋪(pu)。三十(shi)三年(nian)(nian)(nian)(1554)知州(zhou)江一麟(lin)復加(jia)高3尺,內土岸砌石。嗣后(hou)(hou),于明代天(tian)啟年(nian)(nian)(nian)間(jian)(jian),清(qing)代雍正、乾隆(long)、咸豐(feng)年(nian)(nian)(nian)間(jian)(jian)曾多次(ci)(ci)重(zhong)(zhong)修。
安(an)城(cheng)(cheng)城(cheng)(cheng)墻(qiang)(qiang)在歷史上不僅具(ju)有防(fang)(fang)御(yu)功(gong)能,而(er)且發揮了防(fang)(fang)洪(hong)(hong)作(zuo)用。由于(yu)安(an)城(cheng)(cheng)緊靠西苕溪,水(shui)流(liu)湍(tuan)急,經(jing)常(chang)發生洪(hong)(hong)災。明天啟三(san)年(1623)洪(hong)(hong)水(shui)沖壞東城(cheng)(cheng)墻(qiang)(qiang)二十(shi)四丈并馬路幫岸(an);清道光三(san)十(shi)年(1850)洪(hong)(hong)水(shui)沖倒(dao)城(cheng)(cheng)墻(qiang)(qiang)數(shu)十(shi)丈,城(cheng)(cheng)內遭殃。因(yin)而(er)歷代重視城(cheng)(cheng)墻(qiang)(qiang)的(de)維修,且在城(cheng)(cheng)門外(wai)邊(bian)砌有石質閘(zha)槽。南門閘(zha)槽高1.66米(mi),寬9厘米(mi),深5厘米(mi)。以便洪(hong)(hong)水(shui)到來之(zhi)前,上閘(zha)板擋住(zhu)洪(hong)(hong)水(shui)。
城墻保(bao)存(cun)基本(ben)完整(zheng)。除(chu)東(dong)門(men)(men)(迎春門(men)(men))因修公路拆除(chu)、北門(men)(men)(拱辰(chen)門(men)(men))頂(ding)部已有(you)一部分拆掉以外,其它(ta)兩門(men)(men)保(bao)存(cun)基本(ben)完好。城門(men)(men)為磚石巷券頂(ding)式。現存(cun)城墻高(gao)4.5米左右,原5米多(duo)。南門(men)(men)內有(you)“乾隆三(san)十三(san)年夏月署安(an)吉州知州事(shi)合肥(fei)張先岸監修”碑刻;北門(men)(men)內有(you)“咸豐元年知安(an)吉縣事(shi)長樂(le)鄭廷珪(gui)監督紳董(dong)重修”碑刻。