Elgi

The Elgi is a river in Yakutia in Russia, a left tributary of the Indigirka. The Elgi Plateau is named after the Elgi River. The river's length is and its drainage basin.
Teryut village is located close to the confluence of the Elgi and the Indigirka. Formerly there was a settlement called Elginsky on the left bank of the Elgi, about upstream from the confluence. It belonged to the Oymyakon District and was abolished in 2007.

Course

The Elgi is formed by the confluence of the Degdega and Kao rivers. It flows across the Elgi Plateau in a wide arch, first approximately westwards and then roughly eastwards. After it meets the left bank of the upper Indigirka, about upstream from Ust-Nera.
The Elgi freezes up in the second half of October and remains icebound until late May through early June.

Tributaries

The main tributaries of the Elgi are the long Tobychan and the long Utachan on the left, as well as the long Ulakhan Selerikan and the long Ayaaba on the right. The river freezes before mid October and stays frozen until mid May. There are an estimated of 3,700 lakes in the river basin.