《徐霞客游记·粤西游日记十》
又向西北行三里，山的北麓有洞嵌入江中，船转向东走，来不及进去。
又西北三里，其北麓有洞嵌江，舟转而东，不及入。
We continued northwest for three li, and on the northern foothills of the mountain, we noticed a cave embedded in the river. The boat turned east and did not have time to enter.