《徐霞客游记·游太华山记》
大致碧鸡山从西北横贯东南，进耳等山峰从西南横贯东北，两道山交接的地方，就是西山中部低凹处，所以大路从这里经过，在上面设置关卡，高晓实际上是水陆码头。
盖碧鸡山自西北亘东南，进耳诸峰由西南亘东北，两山相接，即西山中逊处，故大道从之，上置关，高峣实当水埠焉。
Generally speaking, Mount Bi Ji runs east-west from northwest, with Mount Jiner (and other peaks) running southwest to northeast. There is a dip in the middle where the two mountains intersect, which is why the major road goes through there, with a checkpoint at the top. Essentially Gao Xiao is a port for both land and water.