貴陽(yang)永樂湖國家(jia)水(shui)利旅游風景區，位于貴陽(yang)市(shi)永樂鄉東面與(yu)龍里縣交界(jie)處(chu)的(de)石筍溝水(shui)庫內。水(shui)庫是小型天然水(shui)庫，因水(shui)庫中有兩(liang)根石筍柱(zhu)而得名。
景(jing)(jing)(jing)區(qu)距(ju)貴(gui)陽市(shi)(shi)中(zhong)心17公里，景(jing)(jing)(jing)區(qu)總面(mian)積5.5萬平方(fang)公里。景(jing)(jing)(jing)區(qu)內的多(duo)種自(zi)然(ran)景(jing)(jing)(jing)觀(guan)(guan)十分引(yin)人入勝，主要特(te)(te)(te)色有喀斯特(te)(te)(te)地質景(jing)(jing)(jing)觀(guan)(guan)：石塘峽、佛光巖、大(da)(da)風洞、石筍峰(feng)等；云(yun)海景(jing)(jing)(jing)觀(guan)(guan)：位于貴(gui)陽市(shi)(shi)較高(gao)海拔1334m的蟒蛇嶺，氣候溫(wen)和濕(shi)潤、云(yun)霧繚(liao)繞，晨曦日出、夕(xi)陽晚霞(xia)盡收眼底(di)；森林(lin)植(zhi)物景(jing)(jing)(jing)觀(guan)(guan)：區(qu)內植(zhi)物總類繁多(duo)，常綠落(luo)葉、針葉、闊葉交(jiao)相輝映(ying)、春綠夏濃(nong)、秋艷(yan)冬白；湖(hu)泊景(jing)(jing)(jing)觀(guan)(guan)：整個湖(hu)區(qu)由于貴(gui)州高(gao)原(yuan)喀斯特(te)(te)(te)地貌，使湖(hu)面(mian)形(xing)(xing)成一(yi)條“中(zhong)國(guo)龍(long)”的形(xing)(xing)狀，永樂湖(hu)內有兩根(gen)57米(mi)(mi)高(gao)的天(tian)然(ran)石柱，形(xing)(xing)似竹筍，堪(kan)稱景(jing)(jing)(jing)區(qu)內的標志性景(jing)(jing)(jing)觀(guan)(guan)。一(yi)根(gen)在(zai)右(you)岸湖(hu)崖畔(pan)，一(yi)根(gen)在(zai)湖(hu)中(zhong)央，湖(hu)中(zhong)央的石柱高(gao)于湖(hu)面(mian)大(da)(da)約(yue)(yue)37米(mi)(mi)，橫寬(kuan)約(yue)(yue)10米(mi)(mi)，縱長(chang)約(yue)(yue)30米(mi)(mi)，造型獨特(te)(te)(te)。
永(yong)(yong)(yong)樂湖(hu)(hu)(hu)(hu)位(wei)于(yu)(yu)貴陽市南明(ming)區(qu)(qu)永(yong)(yong)(yong)樂鄉(xiang)羊角村東北(bei)隅。貴陽市近(jin)郊，是(shi)一(yi)個多民(min)族(zu)(zu)聚(ju)居(ju)鄉(xiang)，其中(zhong)(zhong)少數民(min)族(zu)(zu)約(yue)0.32萬人(ren)，主(zhu)要(yao)是(shi)布(bu)依族(zu)(zu)、苗族(zu)(zu)。永(yong)(yong)(yong)樂鄉(xiang)氣(qi)候溫和宜(yi)人(ren)，夏無酷暑(shu)，冬無嚴寒，雨(yu)量充(chong)沛，有(you)(you)高原性(xing)氣(qi)候特點。永(yong)(yong)(yong)樂湖(hu)(hu)(hu)(hu)(石(shi)筍溝水(shui)(shui)庫)，系一(yi)九(jiu)(jiu)七九(jiu)(jiu)年年底為解(jie)決永(yong)(yong)(yong)樂鄉(xiang)中(zhong)(zhong)、東部近(jin)6000畝農田灌溉而興建的(de)水(shui)(shui)利設(she)(she)施。庫區(qu)(qu)地處一(yi)緩(huan)傾斜小背(bei)斜上(shang)，由三疊系下(xia)統大(da)(da)冶組薄層(ceng)至(zhi)中(zhong)(zhong)厚層(ceng)狀(zhuang)碳酸(suan)鹽巖間夾屑(xie)碎巖相間互層(ceng)組成，小斷層(ceng)及節理裂隙(xi)發育，偶見溶洞(dong)。大(da)(da)壩(ba)筑于(yu)(yu)石(shi)筍溝溪(xi)流(liu)的(de)上(shang)游(you)峽(xia)谷(gu)(gu)(gu)上(shang)，為漿砌石(shi)雙(shuang)曲拱壩(ba)，壩(ba)高42.56m，壩(ba)頂(ding)(ding)高程1216.56m，壩(ba)弧長160m，壩(ba)頂(ding)(ding)寬4m，設(she)(she)雙(shuang)向砼制(zhi)護欄(lan)高1.20m，大(da)(da)壩(ba)宏(hong)偉壯(zhuang)觀；壩(ba)頂(ding)(ding)中(zhong)(zhong)部設(she)(she)四孔跨度各4.6m挑流(liu)式溢(yi)洪孔，總(zong)寬18.4m，溢(yi)頂(ding)(ding)高程1214.80m，設(she)(she)計泄洪水(shui)(shui)量11.5 m3/s，當泄洪溢(yi)流(liu)時(shi)(shi)，將形(xing)成垂高近(jin)40m的(de)人(ren)工飛瀑，氣(qi)勢磅礴壯(zhuang)觀；設(she)(she)計正常高水(shui)(shui)1214.80m，有(you)(you)效(xiao)庫容(rong)514.8萬m3，最(zui)高洪水(shui)(shui)位(wei)1215.22m，死水(shui)(shui)位(wei)1195.40m。設(she)(she)計灌溉面(mian)積5968畝，由于(yu)(yu)灌區(qu)(qu)大(da)(da)面(mian)積田土改(gai)種蔬菜，用水(shui)(shui)量減(jian)少，目前(qian)實(shi)際受灌面(mian)積只有(you)(you)3000畝左(zuo)右。石(shi)筍溝峽(xia)谷(gu)(gu)(gu)，大(da)(da)體呈北(bei)東-南西向蜿蜒于(yu)(yu)貴陽市與龍(long)里縣交界(jie)的(de)山原丘嶺(ling)中(zhong)(zhong)，永(yong)(yong)(yong)樂湖(hu)(hu)(hu)(hu)庫區(qu)(qu)長約(yue)2km左(zuo)右，湖(hu)(hu)(hu)(hu)肚寬闊，湖(hu)(hu)(hu)(hu)尾狹窄，庫壩(ba)后為近(jin)5km長的(de)深(shen)(shen)切峽(xia)谷(gu)(gu)(gu)，谷(gu)(gu)(gu)岸(an)陡崖絕壁(bi)連綿如屏，有(you)(you)永(yong)(yong)(yong)樂石(shi)塘(tang)小三峽(xia)之稱，岸(an)坡兩側(ce)藤蔓叢木密布(bu)，溪(xi)水(shui)(shui)源(yuan)于(yu)(yu)溶洞(dong)巖泉(quan)，清澈純(chun)凈，谷(gu)(gu)(gu)中(zhong)(zhong)多奇峰殘(can)柱，谷(gu)(gu)(gu)深(shen)(shen)流(liu)急，峽(xia)谷(gu)(gu)(gu)、跌水(shui)(shui)、深(shen)(shen)潭、巖泉(quan)時(shi)(shi)有(you)(you)所(suo)見，左(zuo)岸(an)丘坡寬槽內喬(qiao)林森茂，林濤聲(sheng)聲(sheng)，拱壩(ba)宏(hong)偉，高峽(xia)平湖(hu)(hu)(hu)(hu)，綠波蕩漾，精巧旖旎(ni)的(de)湖(hu)(hu)(hu)(hu)光山色(se)，自(zi)然天成的(de)生態景(jing)觀，是(shi)永(yong)(yong)(yong)樂湖(hu)(hu)(hu)(hu)旅游(you)資源(yuan)的(de)主(zhu)要(yao)特色(se)。主(zhu)要(yao)景(jing)觀有(you)(you)：永(yong)(yong)(yong)樂湖(hu)(hu)(hu)(hu)、大(da)(da)壩(ba)、擎天石(shi)筍、蟒蛇嶺(ling)、龜石(shi)峰、石(shi)塘(tang)峽(xia)谷(gu)(gu)(gu)、大(da)(da)風(feng)洞(dong)、山原森林、民(min)族(zu)(zu)村寨(zhai)、永(yong)(yong)(yong)樂堡。
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