三、宣汉巴人 宣汉,这个渠江上游前、中、后河汇合的地区,这个大巴山尾脉岗峦纵横,沟壑回环的地带,既是富饶美丽、宜农宜牧、可猎可渔的肥田沃土,又是古代通达四面八方的交通枢纽[古代——唐宋以前——川东北巴渝地区通往陕、鄂乃至中原的路线是:沿渠江上游前河河谷,穿百里峡到达城口,向北顺任河(古彭溪)河谷进入陕南,再通达中原;向南依开县 Third, Xuanhan Pakistan declared Xuanhan, the upper reaches of this river channel before, during and after the confluence of the river, the Daba Mountain tail jungle vertical and horizontal, gully loop, both rich and beautiful, should be suitable for agriculture and animal husbandry, hunting and fishing Fertile land fertile soil, but also the ancient access to transport hub in all directions [Ancient - before the Tang and Song Dynasty - Bayu region in northeastern Sichuan to Shaanxi, Hubei and even the Central Plains route is: along the river upstream river valley, Baili Gorge to reach the city Mouth, northward to the river (ancient Pengxi) valley into the southern Shaanxi, and then accessible the Central Plains; south according to Kai County