貴(gui)陽(yang)(yang)永(yong)樂(le)湖國家(jia)水(shui)利(li)旅(lv)游風景區(qu),位于貴(gui)陽(yang)(yang)市(shi)永(yong)樂(le)鄉(xiang)東面與龍里縣交界處(chu)的(de)石筍(sun)溝(gou)水(shui)庫內(nei)。水(shui)庫是小型天然水(shui)庫,因(yin)水(shui)庫中有兩根石筍(sun)柱而得名。
景(jing)(jing)(jing)區(qu)(qu)距貴陽市中心17公里(li),景(jing)(jing)(jing)區(qu)(qu)總面積(ji)5.5萬平方公里(li)。景(jing)(jing)(jing)區(qu)(qu)內(nei)的(de)多種自然景(jing)(jing)(jing)觀(guan)(guan)十分引人入勝,主要特(te)(te)色有喀斯(si)特(te)(te)地質景(jing)(jing)(jing)觀(guan)(guan):石(shi)塘峽、佛光巖、大(da)風洞、石(shi)筍峰等;云海景(jing)(jing)(jing)觀(guan)(guan):位于貴陽市較高(gao)海拔(ba)1334m的(de)蟒(mang)蛇嶺,氣候溫和濕(shi)潤、云霧繚繞(rao),晨曦(xi)日出(chu)、夕陽晚(wan)霞盡收眼(yan)底(di);森林(lin)植物景(jing)(jing)(jing)觀(guan)(guan):區(qu)(qu)內(nei)植物總類繁多,常綠落葉、針葉、闊(kuo)葉交相輝(hui)映、春綠夏(xia)濃(nong)、秋艷(yan)冬白;湖泊景(jing)(jing)(jing)觀(guan)(guan):整個湖區(qu)(qu)由于貴州高(gao)原喀斯(si)特(te)(te)地貌,使湖面形(xing)成(cheng)一(yi)條“中國(guo)龍(long)”的(de)形(xing)狀,永樂湖內(nei)有兩根57米高(gao)的(de)天(tian)然石(shi)柱(zhu),形(xing)似竹筍,堪稱景(jing)(jing)(jing)區(qu)(qu)內(nei)的(de)標志(zhi)性景(jing)(jing)(jing)觀(guan)(guan)。一(yi)根在右岸湖崖畔,一(yi)根在湖中央(yang),湖中央(yang)的(de)石(shi)柱(zhu)高(gao)于湖面大(da)約(yue)37米,橫寬約(yue)10米,縱長約(yue)30米,造(zao)型獨特(te)(te)。
永(yong)(yong)(yong)(yong)樂(le)湖(hu)(hu)位(wei)于貴陽(yang)市南明區永(yong)(yong)(yong)(yong)樂(le)鄉(xiang)羊角(jiao)村(cun)東(dong)北隅。貴陽(yang)市近(jin)郊,是(shi)一個(ge)多(duo)民族聚居鄉(xiang),其中(zhong)少(shao)(shao)數(shu)民族約0.32萬人(ren),主(zhu)(zhu)要(yao)是(shi)布(bu)依族、苗族。永(yong)(yong)(yong)(yong)樂(le)鄉(xiang)氣(qi)(qi)候溫和宜人(ren),夏無酷暑,冬(dong)無嚴寒,雨量(liang)充(chong)沛,有(you)高(gao)(gao)(gao)原(yuan)(yuan)性氣(qi)(qi)候特點。永(yong)(yong)(yong)(yong)樂(le)湖(hu)(hu)(石(shi)(shi)筍(sun)溝水(shui)庫),系一九(jiu)七九(jiu)年年底為(wei)解決(jue)永(yong)(yong)(yong)(yong)樂(le)鄉(xiang)中(zhong)、東(dong)部近(jin)6000畝農田灌溉(gai)而興建的(de)水(shui)利設(she)(she)施。庫區地處(chu)一緩傾斜小(xiao)背斜上,由三疊系下統大(da)冶組(zu)薄層(ceng)至中(zhong)厚層(ceng)狀碳酸鹽巖(yan)間(jian)夾屑碎巖(yan)相(xiang)間(jian)互層(ceng)組(zu)成(cheng),小(xiao)斷(duan)層(ceng)及(ji)節理裂隙發育,偶見溶洞(dong)。大(da)壩(ba)(ba)筑于石(shi)(shi)筍(sun)溝溪流(liu)的(de)上游峽谷上,為(wei)漿(jiang)砌石(shi)(shi)雙(shuang)曲拱壩(ba)(ba),壩(ba)(ba)高(gao)(gao)(gao)42.56m,壩(ba)(ba)頂高(gao)(gao)(gao)程1216.56m,壩(ba)(ba)弧長160m,壩(ba)(ba)頂寬(kuan)(kuan)4m,設(she)(she)雙(shuang)向砼(tong)制(zhi)護欄高(gao)(gao)(gao)1.20m,大(da)壩(ba)(ba)宏偉壯觀(guan);壩(ba)(ba)頂中(zhong)部設(she)(she)四孔跨度各4.6m挑流(liu)式溢洪(hong)孔,總寬(kuan)(kuan)18.4m,溢頂高(gao)(gao)(gao)程1214.80m,設(she)(she)計泄洪(hong)水(shui)量(liang)11.5 m3/s,當泄洪(hong)溢流(liu)時,將(jiang)形成(cheng)垂(chui)高(gao)(gao)(gao)近(jin)40m的(de)人(ren)工飛瀑,氣(qi)(qi)勢磅礴壯觀(guan);設(she)(she)計正常高(gao)(gao)(gao)水(shui)1214.80m,有(you)效庫容514.8萬m3,最高(gao)(gao)(gao)洪(hong)水(shui)位(wei)1215.22m,死(si)水(shui)位(wei)1195.40m。設(she)(she)計灌溉(gai)面(mian)積5968畝,由于灌區大(da)面(mian)積田土改(gai)種蔬菜,用(yong)水(shui)量(liang)減少(shao)(shao),目前實際受灌面(mian)積只有(you)3000畝左(zuo)(zuo)右(you)。石(shi)(shi)筍(sun)溝峽谷,大(da)體呈北東(dong)-南西向蜿(wan)蜒于貴陽(yang)市與(yu)龍里縣交界(jie)的(de)山原(yuan)(yuan)丘嶺(ling)中(zhong),永(yong)(yong)(yong)(yong)樂(le)湖(hu)(hu)庫區長約2km左(zuo)(zuo)右(you),湖(hu)(hu)肚(du)寬(kuan)(kuan)闊,湖(hu)(hu)尾狹窄(zhai),庫壩(ba)(ba)后(hou)為(wei)近(jin)5km長的(de)深切峽谷,谷岸陡(dou)崖(ya)絕壁(bi)連綿如屏,有(you)永(yong)(yong)(yong)(yong)樂(le)石(shi)(shi)塘小(xiao)三峽之(zhi)稱,岸坡兩側藤蔓叢木(mu)密布(bu),溪水(shui)源于溶洞(dong)巖(yan)泉(quan),清澈純凈,谷中(zhong)多(duo)奇峰(feng)殘柱,谷深流(liu)急,峽谷、跌(die)水(shui)、深潭、巖(yan)泉(quan)時有(you)所見,左(zuo)(zuo)岸丘坡寬(kuan)(kuan)槽(cao)內喬(qiao)林森(sen)茂,林濤聲聲,拱壩(ba)(ba)宏偉,高(gao)(gao)(gao)峽平湖(hu)(hu),綠(lv)波(bo)蕩漾(yang),精巧旖旎的(de)湖(hu)(hu)光山色,自然天(tian)成(cheng)的(de)生(sheng)態景(jing)觀(guan),是(shi)永(yong)(yong)(yong)(yong)樂(le)湖(hu)(hu)旅游資源的(de)主(zhu)(zhu)要(yao)特色。主(zhu)(zhu)要(yao)景(jing)觀(guan)有(you):永(yong)(yong)(yong)(yong)樂(le)湖(hu)(hu)、大(da)壩(ba)(ba)、擎天(tian)石(shi)(shi)筍(sun)、蟒蛇嶺(ling)、龜石(shi)(shi)峰(feng)、石(shi)(shi)塘峽谷、大(da)風洞(dong)、山原(yuan)(yuan)森(sen)林、民族村(cun)寨、永(yong)(yong)(yong)(yong)樂(le)堡。