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Mt. Aso

熊本県阿蘇市(火口周辺)View on map

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An active volcano housing one of the world's largest calderas. The sight of actively steaming craters is a rare spectacle found in very few places on Earth. The volcanic landscape around the caldera is also regarded as a powerful spiritual site.

Nature Info

Type
火山
Elevation
中岳火口1506m
Access
JR豊肥本線・阿蘇駅からバスで約30〜40分。熊本ICから車で約50分。

History & Origins

The enormous caldera was formed by a massive eruption hundreds of thousands of years ago. Today, an extraordinary 50,000 people live within the caldera—one of the very few places in the world where this is possible. The mountain itself has been venerated as a deity since ancient times.

Highlights

The Nakadake Crater (with its striking emerald-green volcanic lake), the sweeping Kusasenri-ga-Hama grassland, the perfectly formed Komezuka parasitic cone, and Aso Jinja shrine are all unmissable.

Visitor Guide

Crater access is subject to volcanic alert levels—always check the Mt. Aso live camera feed before your visit. Horseback riding at Kusasenri is a popular activity.

Best Season

Spring through summer for the lush green Kusasenri grassland; autumn (November) for fall foliage.

Annual Events

  • 3月

    野焼き(阿蘇の草原野焼き)

    阿蘇の草原景観を守るために毎年春に行われる伝統的な野焼き。地域住民が一体となって草原に火を入れ、阿蘇の独自の生態系と景観を次世代へ受け継ぐ重要な行事です。