《徐霞客游记·滇游日记十二》
峡谷深陷狭窄，只容水流而不容人过，所以道路越其顶而过，这峰叫罗鬼岭，是富民县与昆明县之间的东西分界。
峡深嵌逼束，止容水不容人，故路逾其巅而过，是为罗鬼岭，东西分富民、昆明之界焉。
The canyon is narrow and deep, which only allows water to flow through but not people to pass. Therefore, the road runs over the mountaintop. This mountain is called Luo Gui Ling, and is the east-west boundary between Fumin County and Kunming County.