Markhachan

Markhachan
Мархачан / Мархачаан
Mouth of the Markhachan in the Lena Sentinel-2 image.
Mouth location in Yakutia, Russia
Physical characteristics
Source 
  locationLena Plateau
  coordinates61°43′25″N 123°39′24″E / 61.72361°N 123.65667°E / 61.72361; 123.65667
MouthLena
  coordinates
60°36′20″N 123°32′55″E / 60.60556°N 123.54861°E / 60.60556; 123.54861
  elevation
112 m (367 ft)
Length248 km (154 mi)
Basin size4,350 km2 (1,680 sq mi)
Basin features
ProgressionLenaLaptev Sea

The Markhachan (Russian: Мархачан) is a river of Sakha Republic, Russia, a tributary of the Lena. It is 248 kilometres (154 mi) long, and has a drainage basin of 4,350 square kilometres (1,680 sq mi).

The river flows across sparse larch taiga in an uninhabited area of Olyokminsky District. In the International scale of river difficulty the Markhachan is a Class III destination for rafting and kayaking.