Ygyatta
The Ygyatta is a river in Sakha, Russia. It is a left tributary of the Vilyuy. The Ygyatta is long, and its basin covers about. The depth of the river at its mouth is near. It rises on the Vilyuy Plateau in the west of Sakha and is fed by rain and snowmelt.
The river and its banks are rich with gems: emeralds, rubies, sards, aquamarines, and others.
There are goldfields along the river.
The basin of the Ygyatta is among the least populated places within Russia.