《徐霞客游记·粤西游日记三十五》
洞的前面，有石柱正当洞右的石崖傍，穿过石柱进去，脚一有一尺左右宽的石坡，傍着水流通进去，不必麻烦涉水。
洞之前，有石柱当其右崖，穿柱而入，下有石坡尺许，傍流渡入，不烦涉水。
In front of the cave, there is a stone pillar standing beside the stone cliff on the right of the cave. Passing through the stone pillar, there is a stone slope about one foot wide at the foot, which goes in with the water and makes it unnecessary to wade.