長壽(shou)湖(hu)(hu)(hu)(hu)(hu)又名(ming)九號泡(pao)子(zi),是一處(chu)天然(ran)湖(hu)(hu)(hu)(hu)(hu)泊(bo)(bo)。位于(yu)內蒙古(gu)自治區(qu)呼(hu)倫貝爾市牙克石(shi)市烏奴耳鎮東南13公(gong)(gong)(gong)里處(chu),免渡河二級支流九號泡(pao)子(zi)河左(zuo)岸,地理坐(zuo)標為(wei)東經121°19′41″,北緯48°45′14″,海(hai)拔826米。湖(hu)(hu)(hu)(hu)(hu)面呈較為(wei)規則的圓形,最大寬度(du)400米,面積11公(gong)(gong)(gong)頃,九號泡(pao)子(zi)河貫通湖(hu)(hu)(hu)(hu)(hu)泊(bo)(bo),東進北出,可調(diao)節湖(hu)(hu)(hu)(hu)(hu)中(zhong)水量。內蒙古(gu)烏奴耳長壽(shou)湖(hu)(hu)(hu)(hu)(hu)國(guo)家(jia)濕地公(gong)(gong)(gong)園(試(shi)點)位于(yu)內蒙古(gu)自治區(qu)呼(hu)倫貝爾市烏奴耳林業局,總(zong)面積8546公(gong)(gong)(gong)頃。