The crater is under Eruption Warning Level 2 with restrictions within 1km of the crater. The Aso Park Road and shuttle access to the mountain-top plaza are currently operating during daylight hours (today is in summer season: 8:30 AM - 6:00 PM, gate closes at 5:30 PM), but entry to the crater area itself is prohibited within the 1km restricted zone.
- Restricted radius: 1,000 m
- Crater shuttle bus: Operating
- Areas affected: Nakadake crater (中岳火口), Crater viewing area (火口見学エリア), Mountain top plaza area (山上広場)
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 1 hour ago