《徐霞客游记·滇游日记二十三》
就从低伏处往上登坡，走一里，到坡脊，南北两面都坠为洼坑，形成峡谷。
由伏处即上蹑坡行，一里，至坡脊，南北俱坠坑成峡。
Ascend upward from a low and crouching position for one mile, to the summit of the slope which is cut short on both northward and southward fronts by depressions, forming a canyon.