 The large rivers meander and widen in the plain, reaching widths between and .The Yana-Indigirka Lowland is part of the wider Yana-Kolyma system of lowlands, which includes the Aby Lowland to the south of the Polousny Range and the Kolyma Lowland in the eastern side.There are residual ridges of bedrock, up to high, rising above the lowland, the northernmost of which is the Kondakov Plateau.