| Ygyatta | |
| Source1 Coordinates: | 64.4083°N 112.8769°W |
| Mouth Coordinates: | 62.953°N 117.4923°W |
| Subdivision Type1: | Country |
| Length: | 601km (373miles) |
| Discharge1 Avg: | 30m3/s (near mouth) |
| Basin Size: | 11200km2 |
The Ygyatta (Russian: Ыгыатта, pronounced as /ru/; Yakut: Ыгыатта, Igıatta)[1] is a river in Sakha, Russia. It is a left tributary of the Vilyuy. The Ygyatta is 601km (373miles) long, and its basin covers about 11200km2. The depth of the river at its mouth is near 10m (30feet). It rises on the Vilyuy Plateau in the west of Sakha and is fed by rain and snowmelt.[2]
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.