Arga-Iuriakh

a river in the Yakut ASSR; left branch of the Rossokha River (Alazeia basin). Length, 312 km; basin area, 5,600 sq km. Formed at the confluence of the Zeia and Taba-Bastaakh rivers, which flow down from the Ulakhan-Sis Range. The Arga-Iuriakh flows through the Kolyma Lowland, with a lake area of 15.2 percent. It is fed by snow, rain, and ice.