The crater area is under Level 2 alert with a 1km no-entry zone around the crater. Visitors can access the Yamajō plaza and surrounding areas, but crater viewing is currently prohibited; the Aso Mountain Toll Road operates on autumn schedule (8:30 AM-5:30 PM through November 30).
- Restricted radius: 1,000 m
- Crater shuttle bus: Operating
- Areas affected: Nakadake crater, Area within 1km of crater
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