三北游擊(ji)(ji)司令部成立舊(jiu)址位于慈(ci)溪市觀海衛(wei)鎮(zhen)白洋(yang)湖(hu)畔(pan)的金仙寺內。1942年8月,根據抗日戰爭(zheng)形(xing)勢發展的需要和中共中央華中局關(guan)于開展灰色隱蔽斗爭(zheng)的指示,第(di)三戰區淞滬游擊(ji)(ji)隊(dui)三北游擊(ji)(ji)司令部在金仙寺成立,何克希任(ren)司令,連(lian)柏(bo)生(sheng)任(ren)副司令,譚啟龍任(ren)政治委員,劉亨云任(ren)參謀長,張文碧任(ren)政治部主任(ren)。
司令部成(cheng)立(li)后,立(li)即將(jiang)部隊統一(yi)整編(bian)為三、四、五支隊,簡稱“三五支隊”。
9月1日(ri)(ri)(ri)(ri)(ri),司令部在金(jin)(jin)仙寺(si)舉辦浙(zhe)東(dong)第一期教導隊(dui)(dui),學員達70余人(ren),由藍碧軒任隊(dui)(dui)長,張浪任指導員。9月22日(ri)(ri)(ri)(ri)(ri),中共(gong)浙(zhe)東(dong)區委和三(san)(san)北游擊司令部領(ling)(ling)導在金(jin)(jin)仙寺(si)召(zhao)開會議,作出(chu)了(le)(le)“堅持三(san)(san)北,開辟(pi)四明”的(de)重大戰略決(jue)策。在司令部領(ling)(ling)導下,1942年11月12日(ri)(ri)(ri)(ri)(ri),三(san)(san)北根(gen)據地(di)經受了(le)(le)浙(zhe)東(dong)第一次反(fan)頑自衛(wei)戰爭的(de)考(kao)驗。三(san)(san)北游擊隊(dui)(dui)依(yi)靠人(ren)民群(qun)眾的(de)支持和地(di)方黨(dang)組織的(de)密切配合,把制造摩擦、破(po)壞抗(kang)日(ri)(ri)(ri)(ri)(ri)、妄(wang)圖把人(ren)民抗(kang)日(ri)(ri)(ri)(ri)(ri)力量消滅于“立足(zu)未(wei)穩之際”的(de)國民黨(dang)忠義救國軍2000余人(ren)逐出(chu)三(san)(san)北,削弱(ruo)了(le)(le)頑敵在三(san)(san)北的(de)軍事力量,為抗(kang)日(ri)(ri)(ri)(ri)(ri)游擊區的(de)進一步擴(kuo)大打開了(le)(le)新的(de)局面。
1943年8月,中共浙(zhe)(zhe)東區委(wei)與三北游擊司令(ling)部進駐(zhu)余姚橫坎頭村和梁(liang)(liang)弄鎮,逐步形成了(le)以四明山為基(ji)地(di),梁(liang)(liang)弄為軍事指揮(hui)中心的浙(zhe)(zhe)東抗(kang)日根據地(di)。
據史書(shu)記載(zai),金仙(xian)(xian)寺初建(jian)于(yu)南朝梁大同(tong)年(nian)(nian)(nian)(nian)(nian)(nian)間(535-546年(nian)(nian)(nian)(nian)(nian)(nian)),原名精進(jin)庵(an)。唐(tang)肅宗乾元年(nian)(nian)(nian)(nian)(nian)(nian)間(758-760年(nian)(nian)(nian)(nian)(nian)(nian)),福林智度禪師駐于(yu)此進(jin)行擴建(jian),改名“福林庵(an)”。北宋(song)英宗治平二年(nian)(nian)(nian)(nian)(nian)(nian)(1065年(nian)(nian)(nian)(nian)(nian)(nian)),因福林庵(an)與萬仙(xian)(xian)翁祠前后相(xiang)列,皇帝敕賜庵(an)額(e)為“金仙(xian)(xian)寺”。明熹(xi)宗天(tian)啟元年(nian)(nian)(nian)(nian)(nian)(nian)(1621年(nian)(nian)(nian)(nian)(nian)(nian))僧(seng)(seng)興宏、清康熙三十(shi)八年(nian)(nian)(nian)(nian)(nian)(nian)(1699年(nian)(nian)(nian)(nian)(nian)(nian))僧(seng)(seng)本仁和康熙五(wu)十(shi)九年(nian)(nian)(nian)(nian)(nian)(nian)(1720年(nian)(nian)(nian)(nian)(nian)(nian))僧(seng)(seng)圓微先后三次(ci)擴建(jian)。道光十(shi)五(wu)年(nian)(nian)(nian)(nian)(nian)(nian)(1835年(nian)(nian)(nian)(nian)(nian)(nian))毀于(yu)火(huo),僧(seng)(seng)道法重建(jian)。同(tong)治元年(nian)(nian)(nian)(nian)(nian)(nian)(1862年(nian)(nian)(nian)(nian)(nian)(nian))毀于(yu)兵燹,十(shi)二年(nian)(nian)(nian)(nian)(nian)(nian)(1873年(nian)(nian)(nian)(nian)(nian)(nian))僧(seng)(seng)古香重建(jian)。光緒十(shi)七(qi)年(nian)(nian)(nian)(nian)(nian)(nian)(1891年(nian)(nian)(nian)(nian)(nian)(nian))炳瑞(rui)法師任住持,募資擴建(jian)。
解放后(hou),寺院因年(nian)(nian)久失修(xiu)而拆除(chu),僅保留(liu)當年(nian)(nian)司令(ling)部成立(li)后(hou)辦公用的7間藏經樓(lou)。1989年(nian)(nian)寺院開始大規模(mo)修(xiu)復,至(zhi)今已建成山門、天王殿(dian)(dian)、大雄寶殿(dian)(dian)、觀(guan)音殿(dian)(dian)、玉佛(fo)殿(dian)(dian)、地(di)藏殿(dian)(dian)、葛(ge)仙翁殿(dian)(dian)及東西廂房等(deng)殿(dian)(dian)堂樓(lou)閣,雕塑(su)全堂佛(fo)像,并再現了(le)望(wang)湖樓(lou)、望(wang)海亭(ting)和(he)七塔等(deng)勝跡。2003年(nian)(nian)12月慈(ci)溪市人民政(zheng)府將司令(ling)部成立(li)舊址公布為第五批文物保護單位。