《徐霞客游记·粤西游日记三十四》
再进去，从棺材石向东北转，石坡高低不一，石乳石笋参差而立。穿过石窍往北深入，又辟开一处最大的巨室，钟乳石柱环绕，开合无法探测。从此处向西北穿过隘口下走，进去之处十分遥远，听说深处有溪水流成潭，岩石下跨成为桥梁，顶上是空中透进来的明亮光影。
更入，从此西北穿隘而下，其入甚遥，闻深处有溪成潭，下跨石为梁，上则空透影。
Go further, turn from the coffin stone to the northeast, the stone slope is uneven, stone milk and stalagmites stand haphazardly. Pass through the stone hole and go north, opening up another largest giant room, surrounded by stalactite pillars, it is impossible to explore it all. From here, go northwest through the pass and go down, the place to enter is very far-reaching, I heard that there is a stream flowing into a pool deep inside, the rock is crossed under it to form a bridge, there is bright light and shadow coming in from the air above.