Venta River
The Piejuras Plains lie in the north-western part of the district. In the middle of the district are the Rietumkurzemes Heights with hills that are 100–120 m above sea level, the highest point being Vardupe Kalns with a peak at 140 m. In the northeast side of the district are the Austrumkurzemes Heights at 60–110 m above sea level. Hilly relief covers 35% of the district territory. There are more than 40 rivers longer than 5 km, and 48 lakes bigger than 1 km2. The largest rivers are the Venta River and the Abava River. Forests cover about 48% of the district territory.