湖(hu)(hu)北(bei)(bei)三(san)峽(xia)萬朝山(shan)(shan)自然(ran)保(bao)護(hu)(hu)區(qu)(qu)地(di)(di)處湖(hu)(hu)北(bei)(bei)省興山(shan)(shan)縣西(xi)部,其(qi)行政區(qu)(qu)域(yu)涉(she)及兩鎮一(yi)鄉(xiang)一(yi)林場。保(bao)護(hu)(hu)區(qu)(qu)內有(you)維管束(shu)植物(wu)(wu)(wu)2483種(zhong),占(zhan)湖(hu)(hu)北(bei)(bei)植物(wu)(wu)(wu)種(zhong)類(lei)的三(san)分之(zhi)二,常綠闊葉林分布較為廣(guang)泛,并(bing)伴(ban)有(you)許多(duo)生(sheng)(sheng)長(chang)良好(hao)的植物(wu)(wu)(wu)群(qun)(qun)落。野(ye)生(sheng)(sheng)脊柱動物(wu)(wu)(wu)有(you)392種(zhong),占(zhan)三(san)峽(xia)庫區(qu)(qu)動物(wu)(wu)(wu)種(zhong)群(qun)(qun)數的一(yi)半(ban)。其(qi)中(zhong)(zhong)國家重點保(bao)護(hu)(hu)珍貴樹(shu)(shu)木珍稀瀕危野(ye)生(sheng)(sheng)植物(wu)(wu)(wu)47種(zhong),國家重點保(bao)護(hu)(hu)動物(wu)(wu)(wu)59種(zhong),匯集(ji)華中(zhong)(zhong)地(di)(di)區(qu)(qu)特有(you)珍稀物(wu)(wu)(wu)種(zhong),如珙桐、紅(hong)豆杉、銀杏(xing)、鵝(e)掌楸、連香樹(shu)(shu)、杜仲,林麝、大鯢等。同時(shi)還(huan)是植物(wu)(wu)(wu)界模(mo)式(shi)(shi)標本采集(ji)較集(ji)中(zhong)(zhong)的地(di)(di)區(qu)(qu)之(zhi)一(yi),先后在該地(di)(di)區(qu)(qu)采集(ji)的種(zhong)子植物(wu)(wu)(wu)模(mo)式(shi)(shi)標本達(da)105種(zhong),以興山(shan)(shan)命名就有(you)12種(zhong)。
湖(hu)北三峽萬朝山(shan)自(zi)然保(bao)護區(qu)(qu)地處湖(hu)北省(sheng)興(xing)山(shan)縣西部(bu),其(qi)行(xing)政(zheng)區(qu)(qu)域涉及(ji)兩鎮(zhen)一鄉(xiang)一林場。其(qi)北與(yu)(yu)神(shen)農架(jia)林區(qu)(qu)相(xiang)鄰,西與(yu)(yu)巴(ba)東(dong)縣相(xiang)連。其(qi)地理(li)坐標(biao)為東(dong)經110°25′16″-110°39′58″,北緯31°12′44″-31°22′28″之間。保(bao)護區(qu)(qu)總面(mian)(mian)(mian)(mian)積(ji)(ji)20986公(gong)(gong)頃(qing)(qing)(qing),其(qi)中核心區(qu)(qu)面(mian)(mian)(mian)(mian)積(ji)(ji)7671.63公(gong)(gong)頃(qing)(qing)(qing),占保(bao)護區(qu)(qu)面(mian)(mian)(mian)(mian)積(ji)(ji)的(de)(de)36.56%;緩沖區(qu)(qu)的(de)(de)面(mian)(mian)(mian)(mian)積(ji)(ji)3997.93公(gong)(gong)頃(qing)(qing)(qing),占保(bao)護區(qu)(qu)面(mian)(mian)(mian)(mian)積(ji)(ji)的(de)(de)19.05%;實驗區(qu)(qu)面(mian)(mian)(mian)(mian)積(ji)(ji)9316.44公(gong)(gong)頃(qing)(qing)(qing),占保(bao)護區(qu)(qu)面(mian)(mian)(mian)(mian)積(ji)(ji)的(de)(de)44.39%。