But the old trails run deep into the furthest recesses of the mountain ranges, and were often cut along hunting trails and the tracks worn by wild animals, so that they are difficult for most people to reach, and with little in the way of historical records, searching them out is an extremely difficult task.
但古道深入山脈支稜，往往以獵徑、獸跡為藍本開鑿而成，一般人難以到達，許多道路又缺乏資料記載，找古道遂成為極艱辛的工作。