騰龍(long)洞風景名勝區,是國家地質公園,距湖北利川市城區6公里(li)。景區總面積69平方(fang)公里(li),集山、水、洞、林于一體,以雄、險、奇、幽、秀而(er)馳名中外。
1988年(nian)(nian),經25名(ming)中(zhong)(zhong)外(wai)洞(dong)穴專家歷(li)時32天(tian)實地考察(cha)論證:騰龍洞(dong)屬中(zhong)(zhong)國(guo)目(mu)前最(zui)大的(de)溶洞(dong),世界特級(ji)(ji)洞(dong)穴之一。1989年(nian)(nian),湖北省(sheng)人民政府審定為省(sheng)級(ji)(ji)風景名(ming)勝區,1999年(nian)(nian)被(bei)命名(ming)為全省(sheng)愛國(guo)主(zhu)義教育基地,2005年(nian)(nian)被(bei)國(guo)家級(ji)(ji)權威刊物《中(zhong)(zhong)國(guo)國(guo)家地理》評為"中(zhong)(zhong)國(guo)最(zui)美(mei)(mei)的(de)地方"、"中(zhong)(zhong)國(guo)最(zui)美(mei)(mei)六大旅游(you)洞(dong)穴——震(zhen)撼騰龍洞(dong)"。
騰(teng)龍洞(dong)整個洞(dong)穴群共有(you)(you)上下(xia)五(wu)層,其中大小支洞(dong)300余個,洞(dong)中有(you)(you)山(shan),山(shan)中有(you)(you)洞(dong),無(wu)山(shan)不洞(dong),無(wu)洞(dong)不奇(qi),洞(dong)中有(you)(you)水(shui),水(shui)洞(dong)相連,構成了一個龐(pang)大而雄奇(qi)的洞(dong)穴景觀。
騰(teng)龍洞(dong)(dong)(dong)景(jing)區(qu)由水洞(dong)(dong)(dong)、旱洞(dong)(dong)(dong)、鯉魚洞(dong)(dong)(dong)、涼風洞(dong)(dong)(dong)、獨(du)家寨及三個龍門、化(hua)仙坑等景(jing)區(qu)組(zu)成,整個洞(dong)(dong)(dong)穴系統十分龐大復雜,容(rong)積總量居世界第一,是(shi)中國旅游(you)洞(dong)(dong)(dong)穴的(de)極品。洞(dong)(dong)(dong)外風光山清(qing)水秀,水洞(dong)(dong)(dong)口的(de)臥龍吞江瀑布落(luo)差20余(yu)米,吼聲如雷,氣勢磅礴。
洞(dong)(dong)(dong)口高(gao)72m,寬(kuan)(kuan)64m,洞(dong)(dong)(dong)內最高(gao)處(chu)235m,已經探(tan)明的洞(dong)(dong)(dong)穴(xue)長度為52.8公(gong)里,洞(dong)(dong)(dong)穴(xue)面積(ji)200多萬平方米,洞(dong)(dong)(dong)內高(gao)山(shan)高(gao)達125米,洞(dong)(dong)(dong)穴(xue)最高(gao)處(chu)237米,最寬(kuan)(kuan)處(chu)174米。旱洞(dong)(dong)(dong)全長59.8公(gong)里,洞(dong)(dong)(dong)口高(gao)74米,寬(kuan)(kuan)64米,為亞洲(zhou)第一大旱洞(dong)(dong)(dong)。