“衮雪摩崖”（摩崖：山崖上刻的佛像、文字等）原在陕西省汉中褒谷古石门隧道以南约半里、褒河激流中的一巨石上。褒水经此，上下落差较大，水流湍急，加之受乱石遏阻，喷沫飞溅如滚雪之状。相传三国英雄曹操见此胜迹，触景而书“衮雪”二字以喻之。《中国通史》（顾问白寿彝 “Xue Snow Cliff” (Cliff: Buddha statues engraved on the cliff, text, etc.) was originally in Shaanxi Province Hanzhong Baigu Gu Shimen tunnel about half a year south, Pao River torrent in a boulder. Commendation of water by this, the larger the difference between the upper and lower, fast-flowing, combined with the stone subject to stop, splashes like snow-like splash. Legend has it that Cao Cao, the hero of the Three Kingdoms, saw this trail of glory, touching the book “Snow” metaphor. “General History of China” (Consultant Bai Shouyi