《徐霞客游记·滇游日记四十二》
它的山脉很长，傍着向西分支的第四重支脉而环抱于内，又向南延伸后走向东南，与右甸南面杜伟山的山脊，在西面夹住孟枯河流到云州旧城西边；又与第六重山沿澜沧江南岸的山脊，在东面夹住顺宁河流到云州旧城东面；从此往南延伸，向西南纤曲，折向东南下延，往东突为顺宁府城，又向东南在云州旧城到了尽头。
其脉独长。挟西分四支而抱于内，又南度而东南行，与右甸南杜伟山之脊，西夹孟祐河而出于云州旧城西；又与第六重沿澜沧南崖之脊，东夹顺宁河而出于云州旧城东；从此南度，纡而西南，折而东南下，东突为顺宁郡城，又东南而尽于云州旧城焉。
Its mountain range is very long, embracing the fourth branch of the branch extending westward, extending southward and then southeastward, and with the mountain ridge of Duwei Mountain on the south side of Youdian, it clamps the Menggu River on the west side of Yunnan Old City. The ridge along the south bank of the Lancang River on the east side clamped down the Shun Ning River to the east of Yunnan Old City; from then on, it extended southward, twisted to the southwest, folded down to the southeast, and protruded eastward as the capital city of Shun Ning, and then ended at the old city of Yunzhou to the southeast.