《徐霞客游记·粤西游日记十七》
越过岭走到溪边，立即顺溪流往北下走，要涉的只是一条小溪，就可绕到老君洞的左边。 
逾岭抵溪，即随溪北下，所涉者止一小溪，即可绕出老君洞左。 
After crossing the ridge and reaching the stream, I immediately followed the stream and walked north. I need to cross only a small stream and I would be able to go around to the left side of the Laojun Cave.