無源洞
巴(ba)東(dong)縣(xian)(xian)(xian)無(wu)源(yuan)洞(dong)景(jing)區位(wei)(wei)于(yu)巴(ba)東(dong)縣(xian)(xian)(xian)城東(dong)部10華里,距神農溪(xi)溪(xi)口15華里。核心(xin)景(jing)區為(wei)3.5億年前地質運動形(xing)成(cheng)的(de)一(yi)個(ge)(ge)奇特峽(xia)巖(yan)(yan),與江水相匯(hui)成(cheng)一(yi)個(ge)(ge)有(you)(you)(you)內外平湖的(de)半(ban)島(dao),其間(jian)溶洞(dong)密布,泉瀑飛瀉,鳥(niao)語花(hua)香(xiang)。北宋一(yi)代名(ming)相寇準(zhun)十(shi)九歲任巴(ba)東(dong)縣(xian)(xian)(xian)令時,在此寫下巴(ba)東(dong)詩詞125首(shou),李商隱在此留(liu)下千古(gu)至(zhi)情(qing)《巴(ba)山(shan)夜雨(yu)》,千余(yu)年巴(ba)東(dong)老(lao)城已隱沒(mei)于(yu)景(jing)區望江亭畔,自然(ran)風光與人(ren)文勝跡獨(du)領巴(ba)東(dong)一(yi)方風光名(ming)勝。 無(wu)源(yuan)洞(dong),又名(ming)兀源(yuan)洞(dong)、悟(wu)源(yuan)洞(dong)。位(wei)(wei)于(yu)縣(xian)(xian)(xian)城東(dong)郊10公里的(de)金(jin)子山(shan)麓,海拔(ba)200米處(chu),有(you)(you)(you)水、旱二洞(dong)相連,洞(dong)口高(gao)寬各(ge)丈余(yu),據《縣(xian)(xian)(xian)志(zhi)》載(zai):以其泉“深(shen)遠莫測其源(yuan)”而得名(ming),洞(dong)內空曠,可容(rong)萬人(ren),居人(ren)每避兵于(yu)此。雨(yu)季,溪(xi)水越洞(dong)頂而下,形(xing)成(cheng)水簾。洞(dong)內有(you)(you)(you)峽(xia),峽(xia)中有(you)(you)(you)隧(sui),隧(sui)里又有(you)(you)(you)大溶洞(dong)。各(ge)種鐘乳石(shi)(shi)筍、石(shi)(shi)幔(man)綴點(dian)其間(jian),泉水穿隧(sui)過峽(xia),涌出洞(dong)外,飛瀉于(yu)幽谷懸崖,吐珠泄(xie)玉,蔚為(wei)壯觀,峽(xia)壁(bi)深(shen)處(chu)尚有(you)(you)(you)《悟(wu)源(yuan)仙泉》《靈山(shan)圣(sheng)境》《川流悟(wu)道》等多處(chu)摩巖(yan)(yan)石(shi)(shi)刻,歷(li)為(wei)人(ren)們游(you)憩之所。舊時稱巴(ba)東(dong)八景(jing)之一(yi)。