Rwizi rweTone (利根川, Tone-gawa) rwizi rwuri mudunhu reKantō muJapan. Rune urefu hwemakiromita 322 (200 mi) (wechipiri wakareba muJapan mushure meShinano) uye ine nzvimbo yemvura yemakiromita 16,840 (6,500 sq mi) (yakakura kwazvo muJapan). Inotumidzwa zita rekuti Bandō Tarō (東坂太郎); Bandō izita risingachashandi mudunhu reKantō, uye Tarō izita rakakurumbira rakapihwa mwanakomana mukuru. Inoonekwa seimwe ye "Nzizi Huru Nhatu" dzeJapan, dzimwe dziri Yoshino muShikoku neKyugo muKyūshū. Mubvunzo: Rwizi rweTone ruri kupi?
Ruwa rweKantō rweJapan