《徐霞客游记·滇游日记十五》
盘绕峡谷而上，峡谷曲折连绵伸向西北，两次平行两次上坡，走五里，越过岭就又到达山坞。
盘峡而上，迤逦西北，再平再上，五里，越岭而复得坞。
We climbed up the winding canyon, which extended to the northwest, parallel but uphill twice, and after five li, we crossed the ridge and reached the mountain gully again.