|Razdolnaya or Suifen River|
|Country||People's Republic of China, Russia|
|Main source||Confluence of Xiaosuifen and Dasuifen rivers
880 m (2,890 ft)
|River mouth||Amur Bay, Sea of Japan
0 m (0 ft)
|Length||242 km (150 mi)|
|Basin size||16,830 km2 (6,500 sq mi)|
In Russian, the river was originally known under the same Manchu / Chinese name (rendered as Суйфун (Suifun) in Russian). In 1972, in the aftermath of the Zhenbao Island incident (1969), toponyms of Chinese origin in Primorsky Krai were replaced en masse with newly designed Russian names; as part of this project, the Russian part of the Suifen River received the name Razdolnaya, which can be translated from Russian as "widely flowing".
The major tributaries of the river are the Granitnaya River (99 km), the Borisovka River (86 km) and the Rakovka River (76 km). Ussuriysk was founded in 1866 at the confluence of the Razdolnaya and Rakovka rivers. As Rakovka and its major tributary Komarovka are of roughly the same size and flow at their confluence some 2 km above the confluence point, there exist some controversy about exactly which river is Razdolnaya's tributary. Most maps choose to simply not mark the short stretch of the joint flow through Ussuriysk.
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