The Khatyngnakh (; , Xatñà Ânaax), or Khatynnakh (Ã¥ðÃÂÃÂýýðà), is a river in the Sakha Republic (Yakutia), Russia. It is the longest tributary of the Uyandina. The river has a length of â together with the Donskayaâ and a drainage basin area of .
The Khatyngnakh is fed by snow and rain. It flows north of the Arctic Circle, across desolate territories of the Aby District.
The Khatyngnakh is a left tributary of the Uyandina. It is formed by the confluence of the long Donskaya from the left and the long 2nd Nonchondzhya (2-àÃÂþýóþýôöÃÂ) from the right, both rivers having their sources in the southern slopes of the Polousny Range.
The Khatyngnakh flows meandering roughly southwards across a vast floodplain in the northern sector of the Aby Lowland, where there are innumerable lakes and swamps. Finally the river joins the left bank of the Uyandina from its mouth in the Indigirka.
The main tributaries of the Khatyngnakh are the long Esterikteekh (ÃÂÃÂÃÂÃÂÃÂøúÃÂÃÂÃÂà), the long Ryumkalaakh (àÃÂüúðûððà) and the long Bysagyrdaakh (ÃÂÃÂÃÂðóÃÂÃÂôððà) on the right, as well as the long Mekchirge (ÃÂÃÂúÃÂøÃÂóÃÂ) and the long Kirdik (ÃÂøÃÂôøú) on the left. The river is frozen between the beginning of October and the beginning of June. There are more than 1,500 lakes in its basin with a total area of .