Due to the Aso volcano's alert level being 3, service will be suspended from August 15, 2026, until further notice.
- 7 hours ago
- 1 min read

■ Notice of suspension of Grislo service
At 3:45 PM on August 14, 2026, the Fukuoka Regional Meteorological Observatory issued a volcanic alert level for Mount Aso.
The restriction level has been raised from "Level 2 (Restrictions around the crater)" to "Level 3 (Restrictions on entering the mountain)."
Consequently, an area of approximately 2km from the first crater of Nakadake will be closed to the public.
Visiting the Aso Nakadake crater and climbing Takadake, Nakadake, Kijimadake, and Eboshidake is not permitted.
(Access to Kusasenri is possible).
Green Slow Mobility (Grislo) departs from and returns to Kusasenri on Mount Aso.
We operate the "Grassland Panorama Course" and the "Observation Hill Course,"
Due to expanded restrictions around the crater, we regret to inform you that our service will be suspended for the time being.
If the Japan Meteorological Agency lowers the eruption alert level,
We plan to resume operations after confirming safety.
We apologize for any inconvenience this may cause our customers.
We kindly ask for your understanding.
■ Service suspension period
Until the Japan Meteorological Agency lowers the eruption alert level
(Reservations for the period from August 15, 2026 to September 15, 2026 are currently suspended.)
■ Reference Links
- Japan Meteorological Agency, "Status of Volcanic Activity (Mount Aso)"
- Aso Volcano Disaster Prevention Council "Aso Volcano Crater Restriction Information"
Aso City "Crater Restriction Information"

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