A Picture-Map about Main rivers

  The word of the Dividing Mountain in general means the summit which divides two or more big water-systems.
  In Kiso area it means Mt. Kiso-komagatake which divides the water-system of Shinanogawa river, which flows into the Japan Sea, and that of Kisogawa river, which flows into the Pacific Ocean.
  But here it means the serial moutains including ridges or peaks which divides two water-system menstioned above.