《徐霞客游记·游太和山日记》
仍旧往上走，八里，到达南岩的南天门，赶忙去正殿祭拜。往右转到正殿背后，高峻的崖石镶嵌在空中，如同长廊悬空、阁道凌空，弯弯曲曲地延伸在山腰，下临无底的深壑，这就是南岩，也叫紫霄岩，是武当山三十六岩中最美的，天柱峰正好屹立在对面。
仍上八里，造南岩之南天门，趋谒正殿，右转入殿后，崇崖嵌空，如悬廊复道，蜿蜒山半，下临无际，是名南岩，亦名紫霄岩，为三十六岩之最，天柱峰正当其面。
Continuing to go up, eight miles, to reach the Nantianmen of Nanyan, hurry to the main hall to worship. Turn right to the back of the main hall, the high cliff is inlaid in the air, like a long corridor hanging in the air, and the pavilion is hanging in the air, extending tortuously on the mountainside, and facing the bottomless abyss below. This is Nanyan, also known as Zixiao Rock, which is the most beautiful of the thirty-six rocks in Wudang Mountain, and Tianzhu Peak stands just opposite.