Mamakan (river)

Mamakan
Мамакан
View of the river in mid-course
Mouth location in Irkutsk Oblast, Russia
Location
CountryRussia
Federal subjectIrkutsk Oblast
Physical characteristics
SourceNorthern Muya Range
Stanovoy Highlands
  coordinates56°41′39″N 114°12′10″E / 56.69417°N 114.20278°E / 56.69417; 114.20278
  elevation1,672 m (5,486 ft)
MouthVitim
  coordinates
57°49′06″N 114°01′50″E / 57.81833°N 114.03056°E / 57.81833; 114.03056
  elevation
244 m (801 ft)
Length209 km (130 mi)
Basin size9,460 km2 (3,650 sq mi)
Discharge 
  average164 m3/s (5,800 cu ft/s)
Basin features
ProgressionVitimLenaLaptev Sea

The Mamakan (Russian: Мамакан) is a river in Irkutsk Oblast, southern East Siberia, Russia. It is a tributary of the Vitim of the Lena basin. The river is 209 kilometres (130 mi) long, and has a drainage basin of 9,460 square kilometres (3,650 sq mi). There are no settlements by the river, only Mamakan near its mouth by the Vitim.

The Mamakan reservoir, the world's first hydroelectric power plant built on permafrost, is located in the lower course of the river, about 10 kilometres (6.2 mi) from Bodaybo.