The crater is under JMA eruption alert level 2 with a 1km restricted zone around the crater. Visitors cannot access the crater directly, but the mountain road and viewing areas outside the 1km zone are open during daytime hours (currently 8:30 AM–6:00 PM through October 31st).
- Restricted radius: 1,000 m
- Crater shuttle bus: Operating
- Areas affected: Nakadake (Aso) crater, crater rim 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 11 minutes ago