《徐霞客游记·滇游日记十二》
其脊从西边山峰最高处横列过来往东耸立，和东边的山峰从两边夹住蝗螂川流，只留有一线天。
其脊自西峰最高处横突而东，与东峰壁夹川流，只通一线者也。
The ridge traversed from west to east from the highest peak of the western mountain, and it stood side by side with the eastern mountain, squeezing The Grasshopper River from both sides, leaving only a strip of light between.