Razdolnaya or Suifen is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in People's Republic of China

People's Republic of China

China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

 and Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

. Suifen is the Manchu

Manchu language

Manchu is a Tungusic endangered language spoken in Northeast China; it used to be the language of the Manchu, though now most Manchus speak Mandarin Chinese and there are fewer than 70 native speakers of Manchu out of a total of nearly 10 million ethnic Manchus...

 word for awl, referring to the shape of a species of Oncomelania

Oncomelania

Oncomelania is a genus of very small tropical freshwater snails, aquatic gastropod mollusks in the family Pomatiopsidae.These Oncomelania snails are distantly related to the marine periwinkle, and more closely related to the small marine snails of the family Rissoidae.-Species:There are two species...

snail.

The source of the Razdolnaya River is the confluence

Confluence

Confluence, in geography, describes the meeting of two or more bodies of water.Confluence may also refer to:* Confluence , a property of term rewriting systems...

 of the Xiaosuifen River and the Dasuifen River in Heilongjiang

Heilongjiang

For the river known in Mandarin as Heilong Jiang, see Amur River' is a province of the People's Republic of China located in the northeastern part of the country. "Heilongjiang" literally means Black Dragon River, which is the Chinese name for the Amur. The one-character abbreviation is 黑...

.

Suifenhe City

Suifenhe City

Suifenhe , is a city in southeastern Heilongjiang province, Northeast China, located situated where the former Chinese Eastern Railway crosses the border with Russia's Primorsky Krai.The city shares its name with the Suifen River....

 was named after the Chinese name of river. After it Razdolnaya River flows into Amur Bay

Amur Bay

Amur Bay is a north western part of Peter the Great Gulf.Its length is 65 km, width is 10-20 km, and depth is approximately 20 m....

 through Khanka Lowlands.

The length of the river is 242 km (in Russia - 191 km), the basin area is 16,830 km².

The major tributaries of the river are the Granitnaya River (99 km), the Borisovka River (86 km) and the Rakovka River (76 km). Ussuriysk

Ussuriysk

Ussuriysk is a city in Primorsky Krai, Russia, located in the fertile valley of the Razdolnaya River, north of Vladivostok and about from both the Chinese border and the Pacific Ocean. Population: -Medieval history:...

 was founded in 1866 at the junction of the Razdolnaya and Rakovka Rivers.