《徐霞客游记·粤西游日记三十五》
转出到村前，于是由村东去找溪水流入之处，就见洞穴弯然隆起在山坳之下，洞口向南，溪流奔流到洞中，洞底平平地延伸开来而不是水潭。
转山村前，乃由其东觅溪水所从入，则洞穴穹然在山坳之下，其门南向，溪流捣入于中，其底平衍而不潭。
Turning to the front of the village, we went east from the village to find where the stream entered, and saw the cave arched and bulging under the mountain. The entrance of the cave faced south, and the stream flowed into the cave. The bottom of the cave extended out flat, and it was not a pool of water.