《徐霞客游记·粤西游日记十七》
又环绕西面一座独立的山峰，从它的西麓转到北面，向东便能赶到老君岩后洞了。
又环西面一独峰，从其西麓转北，东向以趋老君后洞焉。
Then I circled around an independent peak to the west, turned from its western foot to the north face, and could reach the cave behind Laojunyan to the east.