Current restrictions
Current restriction information
Mt. Aso park road access hours
March 20 – October 31 / 8:30 a.m. to 5:30 p.m. / Closed at 6:00 p.m.
November 1 – November 30 / 8:30 a.m. to 5:00 p.m. / Closed at 5:30 p.m.
December 1 – March 19 / 9:00 a.m. to 4:30 p.m. / Closed at 5:00 p.m.

Hours are extended during the Golden Week and New Year’s holidays
Please be advised that the above hours may be changed due
to conditions at the crater, such as the extent of gas emission.