《水经注·卷十三》
山的右面有温泉，可治百病，涌出温泉的山麓，俗称土亭山。
右出温汤，疗治万病，泉所发之麓，俗谓之土亭山。
There is a hot spring on the right side of the mountain that can cure many diseases; the spring water gushes out at the mountainside and is commonly called the Tuting Mountain.