《徐霞客游记·滇游日记三十三》
攀登那向上的石阶，再穿过小穴往西深入，二丈后弯向南，其中渐渐黑下来，但洞中积有水，上有滴水声，可下边没有泄水的旁洞，也是一处神奇的泉水。洞中取水唯有此处。
攀其上级，复透小穴西入，二丈后曲而南，其中渐黑，而有水中贮，上有滴沥声，而下无旁泄窦流出之孔，亦神瀵ｆèｎ水源深大而从地中涌出之泉也。
Climb up the stone steps upward, and then go west through the small hole. After six feet, it bends southward, and it becomes darker and darker, but the cave is filled with water, and there is the sound of dripping water above, but there is no side cave to drain the water, which is also a magical spring. Only here can water be taken in the cave.