《徐霞客游记·粤西游日记二十四》
然而小路越来越小，往西下到岭坳，终于成了满是茅草荆棘地势下洼的峡谷，密蔽不可行。
然径路愈微，西下岭坳，遂成茅洼棘峡，翳不可行。
However, the path became smaller and smaller, descending westward into the ridge to the ridge, and finally became a low-lying canyon full of reeds and thorns, which was inaccessible.