Kohechi starts at Mt. Koya (Koya-cho, Ito County, Wakayama Prefecture), soon enters Nara Prefecture, passes through Nosegawa Village (Yoshino County) and Totsukawa Village, and at near Yagimoto (Totsukawa Village), reaches Totsu-kawa River (Kumano-gawa River).
高野山（和歌山県伊都郡高野町）を出発した小辺路はすぐに奈良県に入り、吉野郡野迫川村・十津川村を通って柳本（十津川村）付近で十津川（熊野川）に出会う。