Aso crater is currently under Alert Level 2 with a 1km restricted zone around the crater. Access is prohibited within 1km of the crater, but the park road operates seasonally; autumn hours (Nov 1-30) are 8:30 AM–5:30 PM with gates closing at 5:00 PM.
- Restricted radius: 1,000 m
- Crater shuttle bus: Operating
- Areas affected: Nakadake crater, Crater vicinity
Traffic/Parking (schedule estimate, not live sensor data): No particular reason to expect crowding right now -- a weekday outside peak season and peak hours.
Official Aso regulation status ↗
· updated 4 hours ago