Terrain:
Tongchuan District is located in the parallel ravine area of eastern Sichuan, with compact anticline, low mountain, spacious syncline and undulating valleys and hills. The landform belongs to eroded low hills, with valleys and flat dams. Tieshan in the west is strip-shaped, and Pushan in Lei Yin in the east is placanticline; The southern part of Fenghuang Mountain is flat, all of which are low mountains. The Zhouhe River runs around the city from northeast to southwest, and divides Tongchuan District into southeast and northwest parts. The floodplain and the first and second terraces are formed along the river valley, and the lowest water level is 260-269.9 meters above sea level. The elevation in the east is 748.3m ~ 872.6m, the elevation in the south is 596.4m, the elevation in the west is 1068.5m, the elevation in the north is 790.5m, and the middle valley is relatively low. The highest peak of Tieshan Dazhaizi is 1076.8 meters above sea level, and the lowest point of Longjiamiao Village Farm in Xiwai Town is 260 meters above sea level.
Climate:
Tongchuan district belongs to subtropical monsoon climate, characterized by distinct four seasons, warm winter and early spring, hot summer and cool autumn, and long frost-free period. Annual average temperature 17.3℃, 1 month average temperature 6.0℃, extreme minimum temperature -4.7℃( 1956 1 month); The average temperature in July is 27.9℃, and the extreme maximum temperature is 42.3℃ (65438+0953 in August). The lowest monthly average temperature is 2.5℃( 1.993, 1 month), and the highest monthly average temperature is 40.6℃ (July 2000).