《徐霞客游记·粤西游日记十三》
向北出到峡口之上，又向西眺望西峰，有路一直上去，果然有座石牌坊在那里。
既龙出峡门上，复西眺西峰，有道直上，果有石坊焉砚台。
Heading north to the canyon, looking west again at Xifeng, there is a way to go up, and there is indeed a stone archway there.