a river in the Primor’e Krai, RSFSR, and in China. It is 242 km long and drains an area of 16,000 sq km. The Razdol’naia empties into Amur Bay in the Sea of Japan, forming a delta. The river is fed primarily by rain. Its water level is high in summer, and floods are frequent. The average flow rate is 81.3 cu m per sec. The Razdol’naia freezes in November and thaws in the first half of April. The city of Ussuriisk is on the Razdol’naia.