Bolshaya Ussurka

Bolshaya Ussurka
Location
CountryRussia
Physical characteristics
MouthUssuri
  coordinates
45°58′24″N 133°40′28″E / 45.97333°N 133.67444°E / 45.97333; 133.67444
Length560 km (350 mi)
Basin size22,300 km2 (8,600 sq mi)
Basin features
ProgressionUssuriAmurSea of Okhotsk

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 Ussurka drainage basin is approximately 29,600 square kilometres (11,400 sq mi). It is 440 kilometres (270 mi) long. The river was known as "Iman" (Иман) until the 1972 Renaming of geographical sites in the Russian Far East.

The major tributaries of the Bolshaya Ussurka are the rivers Malinovka, Marevka, Naumovka and Armu.