廣東(dong)萬(wan)(wan)綠湖(hu)位(wei)于廣東(dong)省河源市東(dong)源縣(xian)境內,是華(hua)南(nan)最大的人(ren)工庫塘濕(shi)地(di)(di)(di),面(mian)積37500公(gong)(gong)(gong)頃(qing),庫容139億立(li)方米,是東(dong)江的主要水(shui)(shui)(shui)源水(shui)(shui)(shui)質常年(nian)(nian)保(bao)持在(zai)國家(jia)Ⅰ類地(di)(di)(di)表水(shui)(shui)(shui)水(shui)(shui)(shui)質范圍。廣東(dong)萬(wan)(wan)綠湖(hu)濕(shi)地(di)(di)(di)公(gong)(gong)(gong)園(yuan)位(wei)于萬(wan)(wan)綠湖(hu)的中(zhong)部(bu)至南(nan)部(bu),占萬(wan)(wan)綠湖(hu)水(shui)(shui)(shui)域面(mian)積的三分之(zhi)二,地(di)(di)(di)理(li)位(wei)置居于東(dong)經114°21′4″-114°43′20″,北(bei)緯23°42′53″-23°55′35″間,屬南(nan)亞(ya)熱(re)帶北(bei)緣。濕(shi)地(di)(di)(di)公(gong)(gong)(gong)園(yuan)總面(mian)積26348.7公(gong)(gong)(gong)頃(qing),其中(zhong)濕(shi)地(di)(di)(di)24880.4公(gong)(gong)(gong)頃(qing),林(lin)(lin)地(di)(di)(di)1466.3公(gong)(gong)(gong)頃(qing),建設用地(di)(di)(di)2.0公(gong)(gong)(gong)頃(qing)。濕(shi)地(di)(di)(di)公(gong)(gong)(gong)園(yuan)北(bei)與(yu)錫(xi)場鎮(zhen)、廣東(dong)河源新港省級自然(ran)保(bao)護區比鄰,南(nan)抵庫岸線(xian),西(xi)抵新回(hui)龍(long)鎮(zhen),東(dong)至新港鎮(zhen),濕(shi)地(di)(di)(di)公(gong)(gong)(gong)園(yuan)呈東(dong)西(xi)向不規則放射狀,整個(ge)濕(shi)地(di)(di)(di)公(gong)(gong)(gong)園(yuan)東(dong)西(xi)垂直(zhi)長約為35公(gong)(gong)(gong)里,南(nan)北(bei)垂直(zhi)寬約為24公(gong)(gong)(gong)里,距河源市區6公(gong)(gong)(gong)里,距廣州約250公(gong)(gong)(gong)里。廣東(dong)萬(wan)(wan)綠湖(hu)國家(jia)濕(shi)地(di)(di)(di)公(gong)(gong)(gong)園(yuan)從2010年(nian)(nian)3月(yue)份(fen)開始申報,2011年(nian)(nian)3月(yue)25日經國家(jia)林(lin)(lin)業局(ju)(ju)林(lin)(lin)濕(shi)發(fa)[2011]61號文(wen)件(jian)列入(ru)試點名單(dan),為廣東(dong)省新豐江林(lin)(lin)業管理(li)局(ju)(ju)下屬公(gong)(gong)(gong)益一類事業單(dan)位(wei),核定事業編制4人(ren)。
廣東(dong)(dong)萬(wan)綠湖(hu)國(guo)家(jia)濕(shi)(shi)地(di)公(gong)園(yuan)濕(shi)(shi)地(di)類型(xing)簡單(dan),根據《全(quan)國(guo)濕(shi)(shi)地(di)資(zi)源調查技術規程(試行)》的(de)分類系統(tong),廣東(dong)(dong)萬(wan)綠湖(hu)國(guo)家(jia)濕(shi)(shi)地(di)公(gong)園(yuan)內的(de)濕(shi)(shi)地(di)即萬(wan)綠湖(hu)屬人(ren)工濕(shi)(shi)地(di)中的(de)庫塘濕(shi)(shi)地(di),面積24880.4公(gong)頃,占濕(shi)(shi)地(di)公(gong)園(yuan)總面積的(de)94.4%。此外(wai),在局部(bu)平緩地(di)帶也有零(ling)星的(de)草本沼澤分布。