米倉山國家森林公園是川東北、陜南地區最重要的生態旅游明珠、地質博物館和生物基因庫，森林覆蓋率為97.3%，有“天然氧吧”的美譽。公園內山奇水(shui)秀，環境優(you)美(mei)，風光迷人，既(ji)有蔚為(wei)壯觀的(de)(de)峰叢石林，又有險峻無比(bi)的(de)(de)巖崖景(jing)觀，幽深神秘的(de)(de)巖溶洞穴，融(rong)黃山之(zhi)美(mei)、武陵(ling)之(zhi)怪、峨眉之(zhi)秀、青城之(zhi)幽、劍門之(zhi)雄于一體，春賞山花，夏(xia)看山水(shui)，秋(qiu)觀紅葉，冬詠霧凇，四(si)季美(mei)景(jing)不斷，令人心曠神怡，流連忘返(fan)。秋天是(shi)公園最美的季節，觀葉樹種有(you)楓類、槭(qi)類、水(shui)(shui)(shui)青(qing)(qing)(qing)(qing)岡(gang)(gang)(gang)、椴樹、樺(hua)木、楊樹等(deng)，僅水(shui)(shui)(shui)青(qing)(qing)(qing)(qing)岡(gang)(gang)(gang)的分(fen)布(bu)面積就(jiu)(jiu)約(yue)4000公頃，水(shui)(shui)(shui)青(qing)(qing)(qing)(qing)岡(gang)(gang)(gang)為山(shan)毛櫸科，水(shui)(shui)(shui)青(qing)(qing)(qing)(qing)岡(gang)(gang)(gang)屬，全(quan)世界(jie)目分(fen)布(bu)有(you)10-14種，亞洲7種，中國5-6種，而米倉山(shan)分(fen)布(bu)就(jiu)(jiu)有(you)4種，是(shi)地(di)球(qiu)上水(shui)(shui)(shui)青(qing)(qing)(qing)(qing)岡(gang)(gang)(gang)屬植(zhi)物(wu)起源地(di)和現代分(fen)布(bu)中心之一，更是(shi)世界(jie)上水(shui)(shui)(shui)青(qing)(qing)(qing)(qing)岡(gang)(gang)(gang)分(fen)布(bu)最集中、面積最大的地(di)區(qu)。落葉闊葉林面積約(yue)30000公頃。其中牟陽故城的黑(hei)熊(xiong)溝(gou)、大小蘭溝(gou)、珍稀(xi)植物(wu)園(yuan)景色(se)獨特，還(huan)生長著(zhu)3萬畝珍稀(xi)樹種(zhong)巴山水青岡，棲息著(zhu)黑(hei)熊(xiong)、云(yun)豹等20多種(zhong)珍稀(xi)動物(wu)。日出、晚霞(xia)、月華(hua)、云(yun)海、冰雪、流嵐等也(ye)是不可錯過的天(tian)象景觀。
黑熊(xiong)溝（映水(shui)溪）位于(yu)牟陽城景區東(dong)部，長(chang)10余公(gong)里(li)(li)(li)，海(hai)拔1600米，距大(da)壩(ba)林場(chang)場(chang)部約4.5公(gong)里(li)(li)(li)，北至(zhi)香爐(lu)(lu)山15公(gong)里(li)(li)(li)，東(dong)到諾水(shui)河風景區約 60公(gong)里(li)(li)(li)。黑熊(xiong)溝發源于(yu)有“小峨嵋(mei)”之稱的(de)香爐(lu)(lu)山，是焦家河主要的(de)上游支流-映水(shui)溪。溝內水(shui)量(liang)豐沛，水(shui)質(zhi)優良(liang)。河床(chuang)整體由花崗巖構(gou)成，奇石密布。兩岸山體構(gou)造奇特，巖洞(dong)叢生，長(chang)十數公(gong)里(li)(li)(li)。
光(guang)(guang)霧山(shan)紅(hong)(hong)(hong)葉(xie)(xie)(xie)(xie)(xie)是(shi)(shi)南江(jiang)的(de)(de)(de)特色(se)(se)。有(you)(you)(you)(you)五大特點(dian)：一(yi)是(shi)(shi)面(mian)積(ji)大。米倉山(shan)國(guo)家森林公(gong)園(yuan)(yuan)景(jing)(jing)區(qu)有(you)(you)(you)(you)401.6平方公(gong)里(li)的(de)(de)(de)面(mian)積(ji)，其中(zhong)(zhong)就(jiu)有(you)(you)(you)(you)300多(duo)(duo)平方公(gong)里(li)集中(zhong)(zhong)連(lian)片的(de)(de)(de)紅(hong)(hong)(hong)葉(xie)(xie)(xie)(xie)(xie)景(jing)(jing)觀。二(er)是(shi)(shi)色(se)(se)彩豐。一(yi)般(ban)紅(hong)(hong)(hong)葉(xie)(xie)(xie)(xie)(xie)以(yi)紅(hong)(hong)(hong)色(se)(se)為(wei)(wei)主(zhu)，而光(guang)(guang)霧山(shan)（米倉山(shan)國(guo)家森林公(gong)園(yuan)(yuan)）的(de)(de)(de)紅(hong)(hong)(hong)葉(xie)(xie)(xie)(xie)(xie)顏(yan)色(se)(se)呈(cheng)梯次變化(hua)，以(yi)藍、綠、黃、橙、紅(hong)(hong)(hong)為(wei)(wei)主(zhu)。三是(shi)(shi)周期長(chang)。觀賞(shang)紅(hong)(hong)(hong)葉(xie)(xie)(xie)(xie)(xie)時(shi)間為(wei)(wei)每年的(de)(de)(de)10月中(zhong)(zhong)旬至11月底，長(chang)達一(yi)個多(duo)(duo)月之久，第(di)一(yi)個階(jie)段看(kan)(kan)紅(hong)(hong)(hong)葉(xie)(xie)(xie)(xie)(xie)五彩斑斕，第(di)二(er)個階(jie)段看(kan)(kan)紅(hong)(hong)(hong)葉(xie)(xie)(xie)(xie)(xie)層林盡(jin)染，第(di)三個階(jie)段看(kan)(kan)紅(hong)(hong)(hong)葉(xie)(xie)(xie)(xie)(xie)萬葉(xie)(xie)(xie)(xie)(xie)飄丹(dan)。四是(shi)(shi)種(zhong)類(lei)(lei)(lei)(lei)多(duo)(duo)。光(guang)(guang)霧山(shan)紅(hong)(hong)(hong)葉(xie)(xie)(xie)(xie)(xie)屬落葉(xie)(xie)(xie)(xie)(xie)闊葉(xie)(xie)(xie)(xie)(xie)類(lei)(lei)(lei)(lei)喬木(mu)(mu)，有(you)(you)(you)(you)水青(qing)岡(gang)類(lei)(lei)(lei)(lei)、楓樹(shu)(shu)類(lei)(lei)(lei)(lei)、椴樹(shu)(shu)類(lei)(lei)(lei)(lei)、稠李類(lei)(lei)(lei)(lei)、漆樹(shu)(shu)類(lei)(lei)(lei)(lei)、槭樹(shu)(shu)類(lei)(lei)(lei)(lei)、樺木(mu)(mu)類(lei)(lei)(lei)(lei)、楊(yang)樹(shu)(shu)類(lei)(lei)(lei)(lei)、松(song)樹(shu)(shu)類(lei)(lei)(lei)(lei)和(he)(he)檫木(mu)(mu)類(lei)(lei)(lei)(lei)等(deng)(deng)20余(yu)類(lei)(lei)(lei)(lei)，還(huan)有(you)(you)(you)(you)薔薇(wei)科類(lei)(lei)(lei)(lei)和(he)(he)四照花類(lei)(lei)(lei)(lei)等(deng)(deng)植(zhi)物(wu)，共有(you)(you)(you)(you)40多(duo)(duo)種(zhong)。紅(hong)(hong)(hong)葉(xie)(xie)(xie)(xie)(xie)形(xing)(xing)(xing)狀(zhuang)有(you)(you)(you)(you)手掌狀(zhuang)（如(ru)(ru)三角楓、八(ba)角楓），雞爪形(xing)(xing)(xing)（如(ru)(ru)雞爪槭）、五星形(xing)(xing)(xing)（如(ru)(ru)五角楓）、羽毛狀(zhuang)（如(ru)(ru)鹽膚(fu)木(mu)(mu)等(deng)(deng)）、心臟(zang)形(xing)(xing)(xing)（如(ru)(ru)青(qing)榨槭）、船形(xing)(xing)(xing)（如(ru)(ru)稠李類(lei)(lei)(lei)(lei)）、卵形(xing)(xing)(xing)（如(ru)(ru)水青(qing)岡(gang)類(lei)(lei)(lei)(lei)）、豆瓣(ban)形(xing)(xing)(xing)（如(ru)(ru)栓(shuan)翅衛矛類(lei)(lei)(lei)(lei)）、橢(tuo)圓形(xing)(xing)(xing)（四照花類(lei)(lei)(lei)(lei)）、針(zhen)形(xing)(xing)(xing)（如(ru)(ru)落葉(xie)(xie)(xie)(xie)(xie)松(song)）、扇形(xing)(xing)(xing)（如(ru)(ru)銀杏）、鴨(ya)掌形(xing)(xing)(xing)（如(ru)(ru)檫木(mu)(mu)類(lei)(lei)(lei)(lei)）等(deng)(deng)20多(duo)(duo)種(zhong)形(xing)(xing)(xing)狀(zhuang)。紅(hong)(hong)(hong)葉(xie)(xie)(xie)(xie)(xie)顏(yan)色(se)(se)有(you)(you)(you)(you)火紅(hong)(hong)(hong)、血(xue)紅(hong)(hong)(hong)、酒(jiu)紅(hong)(hong)(hong)、褚紅(hong)(hong)(hong)、鐵紅(hong)(hong)(hong)、玫瑰紅(hong)(hong)(hong)、淡紅(hong)(hong)(hong)、紫(zi)紅(hong)(hong)(hong)、金紅(hong)(hong)(hong)等(deng)(deng)10多(duo)(duo)種(zhong)顏(yan)色(se)(se)。五是(shi)(shi)品位高。先后(hou)曾有(you)(you)(you)(you)英國(guo)、德國(guo)、法國(guo)、加拿大和(he)(he)美國(guo)的(de)(de)(de)植(zhi)物(wu)專家考察后(hou)，把光(guang)(guang)霧山(shan)景(jing)(jing)區(qu)稱(cheng)為(wei)(wei)“金區(qu)”，把光(guang)(guang)霧山(shan)紅(hong)(hong)(hong)葉(xie)(xie)(xie)(xie)(xie)稱(cheng)為(wei)(wei)“金葉(xie)(xie)(xie)(xie)(xie)”。
大(da)小蘭溝自(zi)然(ran)保護區(qu)，位于(yu)米倉(cang)山國家森(sen)林(lin)公園之(zhi)中。1999年(nian)1月，經四川省人民(min)政府(fu)批(pi)準為省級自(zi)然(ran)保護區(qu)。總面(mian)積6932公頃（其中核心區(qu)面(mian)積1571公頃），占米倉(cang)山國家森(sen)林(lin)公園總面(mian)積的(de)17.3%。活立木(mu)總蓄積為52.84萬(wan)立方米。屬于(yu)暖溫帶森(sen)林(lin)生(sheng)(sheng)(sheng)態(tai)型(xing)自(zi)然(ran)保護區(qu)。大(da)小蘭溝的(de)落(luo)葉闊葉混交(jiao)林(lin)植(zhi)被、生(sheng)(sheng)(sheng)物群落(luo)結構、自(zi)然(ran)景觀和(he)生(sheng)(sheng)(sheng)態(tai)環境(jing)均保存完(wan)好。特別是野生(sheng)(sheng)(sheng)動植(zhi)物種類繁多(duo)，有野生(sheng)(sheng)(sheng)動植(zhi)物種類2000余種，生(sheng)(sheng)(sheng)物生(sheng)(sheng)(sheng)態(tai)多(duo)樣性和(he)遺傳品系(xi)多(duo)樣性非常明顯，被譽為“森(sen)林(lin)百寶箱(xiang)”、“生(sheng)(sheng)(sheng)物萬(wan)花筒”和(he)“珍稀物種種質基(ji)因(yin)庫”。
牟陽城景區位于森林公園東部，地處米倉山南麓的腹心地帶，屬于大壩林場。景區林海茫(mang)茫(mang)，賞(shang)萬頃紅(hong)葉，觀珍稀植物；空中飛渡(du)連理峰(feng)，水上(shang)漂流焦家(jia)河，大觀川北(bei)峨嵋香爐山；訪(fang)紅(hong)軍故里，游米(mi)倉古(gu)道，尋三國文化。
香爐(lu)(lu)山(shan)(shan)(shan)為牟陽故城景區的最(zui)高峰，海拔2330米，系川陜(shan)兩省的界山(shan)(shan)(shan)之(zhi)(zhi)一(yi)(yi)，距南江(jiang)縣(xian)大(da)壩林場場部約19公(gong)里。四(si)道(dao)龍脊山(shan)(shan)(shan)嶺(ling)由主(zhu)峰向四(si)周(zhou)延伸，山(shan)(shan)(shan)峰險峻突(tu)兀，高聳層疊，眾(zhong)山(shan)(shan)(shan)環抱，渾然一(yi)(yi)體，山(shan)(shan)(shan)峰之(zhi)(zhi)間時(shi)有云(yun)霧繚繞，云(yun)霧山(shan)(shan)(shan)嵐(lan)冉冉升(sheng)騰，遠望酷似一(yi)(yi)座巨型香爐(lu)(lu)，故名香爐(lu)(lu)山(shan)(shan)(shan)。
1、南(nan)從(cong)西(xi)漢高速到(dao)(dao)漢中(zhong)，南(nan)從(cong)重慶、成都經巴(ba)中(zhong)，再轉(zhuan)101省道(dao)可到(dao)(dao)達。
2、北(bei)從(cong)西漢(han)(han)高速到漢(han)(han)中(zhong)(zhong)，南從(cong)重慶、成都(dou)經巴中(zhong)(zhong)，再轉(zhuan)101省道可到達(da)。
米(mi)(mi)倉山(shan)國(guo)(guo)家森(sen)林公園(yuan)位于四川盆(pen)地東(dong)北邊緣的南(nan)江縣北部，地處秦(qin)巴(ba)山(shan)區（秦(qin)嶺-大(da)巴(ba)山(shan)）的米(mi)(mi)倉山(shan)南(nan)麓。東(dong)、北與陜(shan)西(xi)省(sheng)南(nan)鄭縣相鄰，南(nan)抵南(nan)江縣沙壩(ba)鄉(xiang)、關壩(ba)鄉(xiang)、寨(zhai)坡鄉(xiang)和楊壩(ba)鎮，西(xi)靠(kao)廣元(yuan)市(shi)旺蒼(cang)縣，同光霧山(shan)國(guo)(guo)家風(feng)景(jing)名勝(sheng)區相鄰。北距(ju)(ju)漢中市(shi)約(yue)70公里（經鐵爐壩(ba)山(shan)門），南(nan)距(ju)(ju)巴(ba)中市(shi)約(yue)136公里（經陳家山(shan)），西(xi)距(ju)(ju)廣元(yuan)市(shi)約(yue)216公里（經陳家山(shan)）。地理坐標為東(dong)經106o38’50”～107o05’56”，北緯32o31’12”～32o44’29”。
米倉山地(di)處中國大陸南北(bei)地(di)理和(he)氣(qi)候以及生態的過(guo)渡帶，受東南季風和(he)西南季風的雙重(zhong)影響，氣(qi)候溫(wen)和(he)濕潤，四季分(fen)明，屬(shu)亞熱帶大陸性季風氣(qi)候區域，年降水量(liang)多(duo)達1200毫米以上，年平均氣(qi)溫(wen)約(yue)15°C左右。
米倉山多(duo)(duo)數山體為(wei)圓錐狀(zhuang)的石灰巖(yan)和(he)白云巖(yan)峰(feng)(feng)叢地貌景(jing)觀，峰(feng)(feng)叢多(duo)(duo)發育在山脈之上，而貴(gui)州(zhou)、廣西的峰(feng)(feng)叢則主要生(sheng)長在盆地之中(zhong)。構成(cheng)米倉山巖(yan)層主體的是花(hua)崗巖(yan)、變質砂巖(yan)、石灰巖(yan)和(he)白云巖(yan)。米倉山主峰(feng)(feng)光霧(wu)山海拔2507米，峰(feng)(feng)體渾圓，是花(hua)崗巖(yan)球狀(zhuang)風化、寒凍風化結(jie)果造成(cheng)。
米倉山(shan)(shan)自(zi)然(ran)保護區有(you)種(zhong)子(zi)(zi)植(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)(wu)134科(ke)554屬(shu)(shu)1300種(zhong)，其(qi)中(zhong)蕨類植(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)(wu)25科(ke)46屬(shu)(shu)124種(zhong)；裸(luo)子(zi)(zi)植(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)(wu)5科(ke)11屬(shu)(shu)17種(zhong)；被子(zi)(zi)植(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)(wu)129科(ke)543屬(shu)(shu)1200余種(zhong)。植(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)(wu)科(ke)占(zhan)(zhan)全國(guo)植(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)(wu)科(ke)的(de)55.24%，屬(shu)(shu)占(zhan)(zhan)全國(guo)植(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)(wu)屬(shu)(shu)的(de)29.86%，中(zhong)國(guo)特(te)有(you)屬(shu)(shu)和東亞特(te)有(you)屬(shu)(shu)97個，占(zhan)(zhan)總(zong)叔叔屬(shu)(shu)數19.28%。國(guo)家Ⅰ級(ji)重(zhong)點保護野生(sheng)植(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)(wu)紅豆(dou)(dou)杉(shan)、南方(fang)紅豆(dou)(dou)杉(shan)2種(zhong)，屬(shu)(shu)國(guo)家Ⅱ級(ji)重(zhong)點保護的(de)野生(sheng)植(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)(wu)有(you)水(shui)青(qing)書、連(lian)香(xiang)樹、巴山(shan)(shan)榧(fei)、香(xiang)果樹等10種(zhong)。還蘊(yun)藏有(you)豐富的(de)中(zhong)藥(yao)材資源，可(ke)直接(jie)利(li)用(yong)的(de)藥(yao)用(yong)植(zhi)(zhi)(zhi)(zhi)(zhi)物(wu)(wu)(wu)主要有(you)黨參、泡參、天(tian)麻、桔梗、柴胡、半夏(xia)、杜仲、黃柏、五味(wei)子(zi)(zi)、南五味(wei)子(zi)(zi)、淫羊藿等多種(zhong)。
米倉山(shan)國(guo)家森林(lin)公園內獨特的(de)地形地貌(mao)和優越的(de)自然生境(jing)條件，大面積保(bao)存完好(hao)(hao)的(de)原(yuan)始森林(lin)，為野生動物提供了良好(hao)(hao)的(de)棲息環境(jing)。據統計，保(bao)護(hu)(hu)區內有魚類(lei)(lei)1目2科7屬8種(zhong)(zhong)(zhong)，其(qi)中有中國(guo)魚類(lei)(lei)新種(zhong)(zhong)(zhong)——巴(ba)山(shan)高原(yuan)鰍。兩棲類(lei)(lei)2目5科7屬19種(zhong)(zhong)(zhong)、爬行類(lei)(lei)3目5科15屬19種(zhong)(zhong)(zhong)、鳥類(lei)(lei)13目37科81屬125種(zhong)(zhong)(zhong)占、哺乳類(lei)(lei)7目23科47屬66種(zhong)(zhong)(zhong)，屬于國(guo)家Ⅰ級(ji)(ji)重點保(bao)護(hu)(hu)的(de)野生動物有豹(bao)、云豹(bao)、林(lin)麝、羚羊、金雕等五種(zhong)(zhong)(zhong)；屬國(guo)家Ⅱ級(ji)(ji)重點保(bao)護(hu)(hu)的(de)野生動物有獼猴、黑熊(xiong)、紅腹角雉、斑羚、大鯢等24種(zhong)(zhong)(zhong)。
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