Okuchichibu Mountains

The Okuchichibu Mountains form a high, forested divide between Kai, Musashi and Shinano. Mount Kobushi stands at the meeting of these old provinces, and its slopes give rise to three great river systems. The Arakawa flows toward Musashi, the Fuefuki joins the Fuji River in Kai, and the Chikuma runs into the Shinano River. Their separate courses carry water from the same mountain country toward distant coasts.