大(da)洪(hong)湖(hu)(hu)(hu)(hu)位(wei)于(yu)(yu)長壽區(qu)(qu)西(xi)面,緊鄰重慶(qing)渝北(bei)區(qu)(qu)。距長壽城(cheng)區(qu)(qu)約38公里(li)。大(da)洪(hong)湖(hu)(hu)(hu)(hu)是因1958年(nian)修建大(da)洪(hong)河(he)水(shui)(shui)(shui)電站在清云峽(xia)筑壩截流大(da)洪(hong)河(he)而成(cheng)(cheng),屬自(zi)然風(feng)景區(qu)(qu)。湖(hu)(hu)(hu)(hu)區(qu)(qu)跨越長壽和(he)鄰水(shui)(shui)(shui)兩(liang)地。水(shui)(shui)(shui)面呈(cheng)枝葉狀,水(shui)(shui)(shui)庫控制(zhi)流域長90公里(li),水(shui)(shui)(shui)庫面積43平(ping)方公里(li),總庫容量1.6億立方米(mi)。湖(hu)(hu)(hu)(hu)區(qu)(qu)地勢(shi)平(ping)坦,水(shui)(shui)(shui)面寬廣,湖(hu)(hu)(hu)(hu)中僅有(you)青雞嘴、龍門灘、白(bai)(bai)(bai)墳三(san)(san)座島嶼,港灣(wan)較少,視野開闊(kuo),站在湖(hu)(hu)(hu)(hu)邊(bian),極(ji)目遠眺,青山綠水(shui)(shui)(shui),煙波浩渺,一望無際,氣(qi)勢(shi)磅礴,十分(fen)(fen)壯觀,有(you)大(da)湖(hu)(hu)(hu)(hu)大(da)海的(de)氣(qi)魄。湖(hu)(hu)(hu)(hu)中水(shui)(shui)(shui)鳥眾(zhong)多,成(cheng)(cheng)群的(de)白(bai)(bai)(bai)鷺、青莊、水(shui)(shui)(shui)鴨等水(shui)(shui)(shui)鳥環(huan)繞湖(hu)(hu)(hu)(hu)面自(zi)由翱翔,富有(you)詩情的(de)是日出日落時分(fen)(fen),水(shui)(shui)(shui)鳥們傾(qing)巢而出,或三(san)(san)五成(cheng)(cheng)群,或獨自(zi)奮飛于(yu)(yu)水(shui)(shui)(shui)天之間,令人迷(mi)情于(yu)(yu)“落霞與(yu)孤鶩齊飛”的(de)詩情美景。湖(hu)(hu)(hu)(hu)畔和(he)沙渚之上,隨處可(ke)見白(bai)(bai)(bai)鷺與(yu)水(shui)(shui)(shui)牛相依(yi)的(de)自(zi)然和(he)諧景觀。湖(hu)(hu)(hu)(hu)區(qu)(qu)背(bei)靠的(de)明(ming)月山,又名鄰山、亦名西(xi)山,源(yuan)(yuan)自(zi)川陜間的(de)大(da)巴山脈,森林(lin)覆蓋面廣,旅游(you)資(zi)源(yuan)(yuan)極(ji)其豐富,是塊神奇的(de)旅游(you)寶地。有(you)蘆池(chi)鄉(xiang)、騎(qi)龍寨(zhai)松(song)林(lin)白(bai)(bai)(bai)夾林(lin)區(qu)(qu);洪(hong)湖(hu)(hu)(hu)(hu)鎮沙堡(bao)寨(zhai)四(si)周松(song)林(lin)區(qu)(qu),峰頂寺到天官寨(zhai)一帶的(de)松(song)林(lin)楠竹林(lin)區(qu)(qu);蘆池(chi)鄉(xiang)郭家大(da)洞(dong)(dong)(dong)(dong)、青龍洞(dong)(dong)(dong)(dong)、黑巖洞(dong)(dong)(dong)(dong)、懶板凳洞(dong)(dong)(dong)(dong)及付河(he)鎮的(de)旦丘(qiu)溶洞(dong)(dong)(dong)(dong)等溶洞(dong)(dong)(dong)(dong)群。茂密(mi)、幽深的(de)溶洞(dong)(dong)(dong)(dong),成(cheng)(cheng)片(pian)的(de)果園(yuan)與(yu)煙波浩渺的(de)一湖(hu)(hu)(hu)(hu)碧水(shui)(shui)(shui)構(gou)成(cheng)(cheng)了一個回歸自(zi)然、田園(yuan)風(feng)光(guang)和(he)湖(hu)(hu)(hu)(hu)光(guang)山色十分(fen)(fen)優美的(de)水(shui)(shui)(shui)上生態旅游(you)觀光(guang)區(qu)(qu)。