《徐霞客游记·滇游日记十五》
又往西北上一里半，道路分成两条：一条顺岭一直往西，是去海东的路；一条顺峡谷一直往北，是去鸡足山的路。
又西北上一里半，路分为二：一由岭直西，为海东道，一循峡直北，为鸡山道。
Go northwest for another one and a half li, and the road is divided into two paths: one goes west along the ridge, which is the way to the East China Sea; the other goes north along the canyon, which is the way to Jizu Mountain.