Velikaya (Chukotka)

Velikaya
Meynyveem / Echinku
Location in the Chukotka, Russia
Physical characteristics
Source 
  locationSouthern Mayn Range
Confluence of Kuimveyem and Kylvygeyvaam
  elevation329 metres (1,079 ft)
Mouth 
  location
Onemen Bay
  coordinates
64°31′45″N 176°07′25″E / 64.5292°N 176.1235°E / 64.5292; 176.1235
  elevation
0 m (0 ft)
Length451 km (280 mi)
Basin size31,000 km2 (12,000 sq mi)
Discharge 
  average409 m3/s (14,400 cu ft/s)

The Velikaya (Russian: Великая, also Большая Bolshaya, Онемен Onemen; Chukot: Мэйнывээм, Meynyveem), is a river in Chukotka Autonomous Okrug in Russia. It is 451 kilometres (280 mi) long (556 km including its source river Kylvygeyvaam), and has a drainage basin of 31,000 square kilometres (12,000 sq mi).

The name of the river was given by the Russian inhabitants of the village of Markovo. Velikaya (Великая) means "great" in Russian and Bolshaya (Большая) translates to "big". The Velikaya and its tributaries belong to the Chukotka Autonomous Okrug. One of the native names of this river is Echinku and in some documents referring to this river in Soviet times, it was referred to as Velikaya-Echinku.