一線(xian)天(tian)(tian)(tian)，是(shi)我國(guo)名(ming)(ming)山(shan)(shan)(shan)奇(qi)峰(feng)中常有的(de)石景(jing)(jing)，因兩壁夾峙，縫隙(xi)所(suo)見藍天(tian)(tian)(tian)如一線(xian)而(er)得名(ming)(ming)；較(jiao)為(wei)(wei)知(zhi)名(ming)(ming)者有峨眉山(shan)(shan)(shan)、華山(shan)(shan)(shan)、黃(huang)山(shan)(shan)(shan)、江(jiang)郎山(shan)(shan)(shan)、武夷山(shan)(shan)(shan)、九宮山(shan)(shan)(shan)、三清山(shan)(shan)(shan)等處的(de)“一線(xian)天(tian)(tian)(tian)”美景(jing)(jing)；由于“一線(xian)天(tian)(tian)(tian)”景(jing)(jing)觀奇(qi)特，已成(cheng)為(wei)(wei)許多風景(jing)(jing)名(ming)(ming)勝(sheng)的(de)熱門景(jing)(jing)點。本文將為(wei)(wei)大(da)家(jia)介紹(shao)中國(guo)十大(da)一線(xian)天(tian)(tian)(tian)景(jing)(jing)觀以及有一線(xian)天(tian)(tian)(tian)景(jing)(jing)觀的(de)景(jing)(jing)區，其中包括野山(shan)(shan)(shan)坡百里峽一線(xian)天(tian)(tian)(tian)、太原王(wang)封(feng)一線(xian)天(tian)(tian)(tian)、安陽(yang)紅(hong)旗渠一線(xian)天(tian)(tian)(tian)、華山(shan)(shan)(shan)一線(xian)天(tian)(tian)(tian)、江(jiang)郎山(shan)(shan)(shan)一線(xian)天(tian)(tian)(tian)、太姥山(shan)(shan)(shan)一線(xian)天(tian)(tian)(tian)等。