《徐霞客游记·滇游日记二》
又往南走二里，向东转，顺着北岭南崖往东走，也和南山在山下对夹成山坞，往下看坞深沟密，和西坞相同。
又南二里，转而东，循北岭南崖东向行，亦与南山下夹成坞，下瞰深密，与西坞同。
Walking another two li to the south, then turn to the east, and then walk eastward along the southern cliff of the North Ridge. It is also sandwiched between the South Ridge and the mountain at the bottom to form a valley. Looking down, the valley is also deep and with dense ditches.