《徐霞客游记·粤西游日记二十二》
九月初九日向西过了镇北桥的关帝庙，往西行三里，抵达横塘，向东望去望仙坡东西相隔。于是折向西行五里，望见罗秀山已在东北，路渐渐变小。
九月初九日西过镇北桥关帝庙，西行三里，抵横塘，东望望仙坡东西相距，于是西折行五里，望罗秀已在东北，路渐微。
On the 9th day of the 9th month, passing the temple of Guan Di at Zhenbei Bridge, going west for three li, arriving at Hengtang, looking east to see the two ends of Wangxianpo facing each other. Then turning west for five li, one can see Luoxiu Mountain in the northeast, and the path gradually narrows.