Aso crater area is under Level 2 eruption warning with a 1km restricted zone around the crater; visitors can access the Yamajou Plaza area and view the crater from designated safe zones, but cannot enter within 1km of the crater. The crater view shuttle bus and park road are operating during seasonal hours (currently summer hours: 8:30 AM – 6:00 PM, with gate closure at 5:30 PM).
- Restricted radius: 1,000 m
- Crater shuttle bus: Operating
- Areas affected: Nakadake crater (中岳火口), Yamajou Plaza area (山上広場), Kusasenri (砂千里ヶ浜)
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 26 minutes ago