Aso volcano is currently under JMA Eruption Alert Level 2 with a 1km restricted zone around the crater. Visitors cannot enter the crater area itself, but the crater-view road (Aso Park Road) and shuttle bus are operating during seasonal hours (currently autumn hours: 8:30 AM–5:30 PM with gate closure at 5:00 PM).
- Restricted radius: 1,000 m
- Crater shuttle bus: Operating
- Areas affected: Nakadake first crater, crater area
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 3 hours ago