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            The opening and closing time of the old Caoling Tunnel is revised as follows:
-  Opening hours from 6/1-9/30: 8:30 in the morning to 17:30 in the afternoon (no entry is allowed when the venue is cleared at 17:00)
 -  Opening hours from 10/1-5/31: 8:30 in the morning to 17:00 in the afternoon (no entry is allowed when the venue is cleared at 16:30)
 
 ※Normal days and official holidays (national holidays) are the same.
 ※The control center is closed from 12:30 noon to 13:30 pm.