《徐霞客游记·粤西游日记十一》
我一步一转身地眺望，将要转到西北隅时，考虑此山的西南有山坳可以越过去，仍返回来向南走，从双洞的左边往东北上登。
余一步一转眺，将转西北隅，思其西南有坳可逾，仍还南向，从双洞之左东北而登。
I looked back after taking a step, when I was about to turn to the northwest corner, I considered that there was a mountain pass to the southwest of this mountain, so I went back to the south and climbed northeast from the left side of the double cave.