Topography The
Jinyun Mountain winds along its western border, while the
Zhongliang Mountain Range stretches across the central part, dividing the entire region into eastern and western sections. To the east of the Zhongliang Mountains, the terrain is predominantly characterized by low hills, typically with elevations between 250 and 450 meters, mostly consisting of river valleys along the rivers below 300 meters in elevation. To the west of the Zhongliang Mountains, the terrain slopes from higher in the northwest to lower in the southeast, generally ranging in elevation from 180 to 400 meters, primarily featuring gentle hills and flat basins.
Climate Jiulongpo District experiences a subtropical monsoon humid climate within the Sichuan Basin. It is characterized by abundant thermal and precipitation resources, with rainfall coinciding with warm seasons. Key features include limited sunshine, long frost-free periods, spring droughts accompanied by frequent late spring cold spells, hot summers prone to summer droughts, autumns marked by frequent prolonged drizzles, and winters with frequent fog. The annual average temperature ranges between 16 °C and 18 °C, with a frost-free period of approximately 342 days. The average yearly precipitation falls between 1,105 and 1,029 millimeters. ==Administrative divisions==