《徐霞客游记·滇游日记四十一》
于是由南转向东盘绕北面的坑谷，又走半里转向东，半里抵达东峰下，就沿石阶上登。
于是南转东盘北坑，又半里转东，半里抵东峰下，乃拾级上跻。
Then turn from south to east around the north valley, walk half a mile to the east, and half a mile to the east peak, and climb up the stone steps.