The Shizukuishi River (雫石川, Shizukuishigawa) is a river in Iwate Prefecture, in the Tōhoku region of northern Honshū in Japan.[1] The river is 33.2 kilometres (20.6 mi) long and has a watershed of 168 square kilometres (65 sq mi). In middle course of the river is the Shizukuishi Basin, occupied by the Yuguchi lake deposits from the Late Miocene.[2]