新墻河國家濕地公園為國家級濕地公園。新(xin)墻河(he)國家(jia)濕(shi)地公(gong)(gong)園毗鄰岳(yue)陽(yang)(yang)縣縣城,于2011年12月經(jing)(jing)國家(jia)林業局批準建立、岳(yue)陽(yang)(yang)縣人民政府設(she)立的(de)公(gong)(gong)益-業機(ji)構。主要包括岳(yue)陽(yang)(yang)縣境內的(de)新(xin)墻河(he)京(jing)(jing)廣(guang)鐵(tie)路大(da)橋(qiao)至鐵(tie)山水(shui)(shui)(shui)庫(ku)及縣城附近六合垸、白羊水(shui)(shui)(shui)庫(ku)。濕(shi)地公(gong)(gong)園由東向西(xi)(xi)呈片(pian)帶(片(pian):鐵(tie)山水(shui)(shui)(shui)庫(ku),帶:新(xin)墻河(he))走向,最東端(duan)至鐵(tie)山水(shui)(shui)(shui)庫(ku)庫(ku)尾,最西(xi)(xi)端(duan)至京(jing)(jing)廣(guang)鐵(tie)路,南北垂(chui)直(zhi)長約為50千米,地理坐(zuo)標介(jie)于東經(jing)(jing)113°6′56″~113°37′45″,北緯29°4′38″~29°14′15″。
分為濕(shi)(shi)地(di)(di)(di)(di)(di)保護(hu)保育區(qu)(qu)、濕(shi)(shi)地(di)(di)(di)(di)(di)恢復重建區(qu)(qu)、科普宣教利用區(qu)(qu)、綜(zong)合管(guan)理服務區(qu)(qu)等(deng)四個功能區(qu)(qu)。總(zong)面(mian)積(ji)7032.1公(gong)(gong)(gong)(gong)頃,濕(shi)(shi)地(di)(di)(di)(di)(di)面(mian)積(ji)6906.2公(gong)(gong)(gong)(gong)頃,占土地(di)(di)(di)(di)(di)總(zong)面(mian)積(ji)的98.2﹪,其(qi)中(zhong)河流濕(shi)(shi)地(di)(di)(di)(di)(di)面(mian)積(ji)2222.9公(gong)(gong)(gong)(gong)頃,沼澤濕(shi)(shi)地(di)(di)(di)(di)(di)面(mian)積(ji)119.6公(gong)(gong)(gong)(gong)頃,人工濕(shi)(shi)地(di)(di)(di)(di)(di)面(mian)積(ji)4563.7公(gong)(gong)(gong)(gong)頃.公(gong)(gong)(gong)(gong)園及周邊濕(shi)(shi)地(di)(di)(di)(di)(di)生(sheng)物(wu)(wu)資源(yuan)豐富,共有種子植(zhi)(zhi)物(wu)(wu)576種隸(li)屬于365屬、121科.野(ye)生(sheng)脊(ji)椎動物(wu)(wu)共計174種,隸(li)屬于5綱(gang)24目63科,其(qi)中(zhong)國家一級重點保護(hu)植(zhi)(zhi)物(wu)(wu)1種、國家二級重點保護(hu)植(zhi)(zhi)物(wu)(wu)4種、國家二級重點保護(hu)野(ye)生(sheng)動物(wu)(wu)4種。