The Shiba River (芝川, Shiba-kawa) is a tributary of the Arakawa River that mainly runs through the eastern part of Saitama Prefecture. The river has Suehiro (末広) and Kobari-ryōke (小針領家) in Okegawa, Saitama as points of origin and flows through Ageo, Minuma and Kawaguchi, and connects to the Arakawa River. | ||||||