 There is an immense number of lakes dotting the lowlands, the largest of which is Lake Bustakh with an area of .The Yana-Indigirka Lowland also includes the lower course of the Omoloy River at the western end, the vast delta of river Yana, as well as the Byoryolyokh and Allaikha lower course tributaries of the Indigirka in the east.Other important rivers of the lowland are the Chondon, San Yuryakh, Sellyakh, Muksunuokha, Khroma, Sundrun, Dyagarin and Gusinaya, among other smaller rivers and streams.