title: Selennyakh (river)
text: # Selennyakh (river)
  
  The Selennyakh (Russian: Селеннях; Yakut: Силээннээх, romanized: Sileenneex) is a river in Sakha Republic, Russia. It is a left tributary of the Indigirka.
  
  The length of the river is 796 kilometres (495 mi). The area of its drainage basin is 30,800 square kilometres (11,900 sq mi).
  
  ## Course
  
  It originates in the north-west of the Chersky Range. The river flows southeastwards through the Moma-Selennyakh Depression which is bound in this area by the Burkat and Khadaranya ranges, and in the east by the Selennyakh Range, then the river flows across the Ust-Yansky District, where Sayylyk, the only inhabited place of its basin is found.
  
  In its middle course the Selennyakh makes a wide bend northeastwards and then flows across the Aby Lowland in a roughly eastern direction until it reaches the left bank of the Indigirka. The Selennyakh is frozen between October and May.
  
  According to the State Water Register of Russia, it is a part of the Lena basin district. The average annual discharge in the mouth is 180 cubic metres per second (6,400 cu ft/s).
  
  * Basin of the Indigirka
  