熊本県 · Kyushu Region
Kumamoto Hidden Gems
Built around Mt. Aso, one of the world's largest active calderas, with a formidable castle and the underground springs that feed the city.
2 spots
Climate & Best Season
Hot, humid summers and cool winters inland; the Aso highlands are noticeably cooler. Spring and autumn are best for the caldera.
Famous For (Food)
- Basashi (horse sashimi)
- Karashi renkon
- Kumamoto ramen
- Ikinari dango
Signature Sights
- Kumamoto Castle
- Mt. Aso caldera
- Kurokawa Onsen
- Amakusa islands
Kumamoto· Hitoyoshi
Kumagawa River Rafting — Fastest River in Japan
The Kumagawa River, flowing through the mountains of southern Kumamoto, is called 'Japan's three fastest-flowing rivers'…
river raftingwhitewatertraditional boat+2
Updated Jul 2026
Kumamoto· Kikuchi
Kikuchi Valley — Forest Bathing Gorge
Kikuchi Valley is a 4km walking trail following the Kikuchi River through a gorge of broadleaf forest, designated as one…
forest bathinggorgevalley trail+2
Updated Jul 2026