The terrain of Dazhou city is high in the Northeast (Daba Mountain Area) and low in the Southwest (Basin hilly area). The highest point is datuanbao, Jichang Township, Xuanhan County, with an altitude of 2458.3 meters; the lowest is Tianguan village, Wangxi Township, Quxian County, at an altitude of 222 meters. Daba Mountain is located in the north of Xuanhan in Wanyuan. Mingyue Mountain, Tongluoshan mountain and Huaying Mountain lie vertically from north to south. Dazhou city is divided into three parts: mountainous area, hilly area and Pingba area. The mountainous area accounts for 70.70%, the hilly area accounts for 28.10%, and the flat dam accounts for 1.20%. The mountains in the north are incised violently and the mountains are steep, forming medium and low mountain geomorphic units; the central and southern parts are relatively gentle, forming an equal Valley geomorphic unit.