安(an)城(cheng)城(cheng)墻系原安(an)吉縣城(cheng)城(cheng)墻,在今安(an)吉縣安(an)城(cheng)鎮(zhen),距遞鋪(pu)鎮(zhen)8公里,西(xi)(xi)苕溪西(xi)(xi)岸。四周平地(di),西(xi)(xi)1.6公里有金鐘山。
東(dong)漢靈帝中平二(er)年(nian)(nian)(nian)(nian)(185)安吉立縣(xian)(xian)時,縣(xian)(xian)治(zhi)設在天目鄉(今(jin)孝豐(feng)鎮)。唐(tang)開(kai)元二(er)十六年(nian)(nian)(nian)(nian)(738)縣(xian)(xian)令孔志道遷治(zhi)于(yu)玉(yu)磬山東(dong)南。后又遷馬(ma)家渡西(xi),即(ji)今(jin)安城(cheng)鎮地。舊(jiu)無城(cheng)郭。元末,明兵攻克安吉、無帥費(fei)愚、總管張俊德于(yu)丙申年(nian)(nian)(nian)(nian)(1356)奉令來戌(xu),始筑(zhu)土(tu)城(cheng);次年(nian)(nian)(nian)(nian)重砌以石,延伸(shen)長(chang)度六里(li),高二(er)丈余。門有四(si):東(dong)名迎春、南曰朝陽(yang),西(xi)稱寶成,北號拱(gong)辰。城(cheng)瀕大溪(xi),引水為濠(hao),鑿濠(hao)為池,僅通舟筏。明洪武五、六年(nian)(nian)(nian)(nian)間(1372-1373),知(zhi)縣(xian)(xian)張士良創建四(si)城(cheng)譙樓。嘉靖三十二(er)年(nian)(nian)(nian)(nian)(1553)知(zhi)州林壁重修,并建譙樓更鋪。三十三年(nian)(nian)(nian)(nian)(1554)知(zhi)州江(jiang)一麟復加高3尺,內土(tu)岸砌石。嗣后,于(yu)明代天啟年(nian)(nian)(nian)(nian)間,清(qing)代雍(yong)正、乾隆、咸(xian)豐(feng)年(nian)(nian)(nian)(nian)間曾多次重修。
安城(cheng)城(cheng)墻在歷史上不僅具有(you)防御功能,而(er)且發揮(hui)了(le)防洪(hong)作用。由于安城(cheng)緊(jin)靠西苕溪,水(shui)(shui)流(liu)湍急,經常發生洪(hong)災(zai)。明天啟三年(nian)(1623)洪(hong)水(shui)(shui)沖壞東(dong)城(cheng)墻二十四丈(zhang)并馬路幫岸;清(qing)道光三十年(nian)(1850)洪(hong)水(shui)(shui)沖倒城(cheng)墻數十丈(zhang),城(cheng)內(nei)遭殃。因(yin)而(er)歷代重視城(cheng)墻的維修,且在城(cheng)門外邊砌有(you)石(shi)質閘槽(cao)。南門閘槽(cao)高1.66米,寬(kuan)9厘(li)米,深5厘(li)米。以便洪(hong)水(shui)(shui)到(dao)來(lai)之(zhi)前,上閘板擋住洪(hong)水(shui)(shui)。
城(cheng)墻保存(cun)基(ji)本(ben)完整。除(chu)東(dong)門(men)(迎春門(men))因修(xiu)公路拆除(chu)、北門(men)(拱辰門(men))頂部(bu)已有(you)(you)一(yi)部(bu)分拆掉以外,其它(ta)兩門(men)保存(cun)基(ji)本(ben)完好(hao)。城(cheng)門(men)為磚石巷券頂式。現存(cun)城(cheng)墻高4.5米左右,原5米多。南門(men)內有(you)(you)“乾隆三十三年夏月署(shu)安吉(ji)州知州事合肥張先岸監(jian)修(xiu)”碑刻(ke);北門(men)內有(you)(you)“咸(xian)豐元年知安吉(ji)縣(xian)事長樂鄭廷珪監(jian)督紳董重修(xiu)”碑刻(ke)。