The Orekhovka (russian: Ореховка, formerly Сандо-Вака ''Sando-Vaka'') is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...

Dalnerechensky District Dalnerechensky District (russian: Дальнере́ченский райо́н) is an administrativeLaw #161-KZ and municipalLaw #190-KZ district (raion), one of the twenty-two in Primorsky Krai, Russia. It is located in the central and western p ...

Primorsky Krai Primorsky Krai (russian: Приморский край, r=Primorsky kray, p=prʲɪˈmorskʲɪj kraj), informally known as Primorye (, ), is a federal subject (a krai) of Russia, located in the Far East region of the country and is a part of the ...

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

. It is the longest

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of Malinovka, which it enters about 111 km from the Malnikova's confluence with the

Bolshaya Ussurka The Bolshaya Ussurka (russian: Большая Уссурка, literally: "Great Ussuri") is a river in the Russian Far East in Primorsky Krai. It is a right tributary of the Ussuri, which it meets near Dalnerechensk. The area of the Bolshaya Ussur ...

. The Orekhovka

drainage basin A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, t ...

covers about . The river is long. The usual depth of the river is .Primpogoda.ru: Orekhovka River
/ref> There are two

hydrologic Hydrology () is the scientific study of the movement, distribution, and management of water on Earth and other planets, including the water cycle, water resources, and environmental watershed sustainability. A practitioner of hydrology is calle ...

posts on the river near the villages of Polyany and

Yasnaya Polyana Yasnaya Polyana ( rus, Я́сная Поля́на, p=ˈjasnəjə pɐˈlʲanə, literally: "Bright Glade") is a writer's house museum, the former home of the writer Leo Tolstoy. Bartlett, p. 25 It is southwest of Tula, Russia, and from Mosco ...

References

Rivers of Primorsky Krai {{Russia-river-stub