《徐霞客游记·滇游日记十四》
从这里顺着南峡的顶上往西越过峡谷北面所耸起的尖山，这是青山，到这里往西横贯过去。
于是循南峡之顶西径峡北所起尖山，是为青山，至是其西横拖而去。
From here, follow the top of the southern gorge west across the pointed mountain that stands on the north side of the gorge, which is the blue mountain, and pass it to the west.