Please be advised that the use of zones B1, B2, C, and D may be immediately restricted to protect visitor safety due to volcanic activity and wind direction. Pay close attention to the broadcasts and act in accordance with the crater monitor’s instructions.

●Zone A

Access to this area is always prohibited.

●Zone B1 (Around the crater)

This zone for crater viewing has a view of the old crater group.

●Zone B2 (Around the crater)

The crater can be viewed from this zone.

●Zone C (The plaza area)

The crater is not visible, but visitors can enjoy magnificent views of the area around the crater, including the outer wall of Mt. Naka.

●Zone D (Observation area)

The crater is not visible, but visitors can enjoy magnificent views of Kusasenri, Mr. Kijima, Mt. Eboshi, and other sites.

Warning lights were installed in April 2007 as a safety measure to provide information on the density of the volcanic gases using color codes.
We also have announcements in English, Korean, and Chinese for the many foreign tourists.