《徐霞客游记·粤西游日记三十一》
大洞在前崖后面高峰的半中腰，洞中开有四个洞口，宏伟明朗，透着灵气。 
乃东行五里，有村在路左，曰鱼奥今作儒浩。
The big cave is in the middle of the high peak behind the front cliff, with four openings in the cave, which are magnificent and bright, revealing a spiritual energy.