Aso (阿蘇市, Aso-shi) is a city located in Kumamoto Prefecture, Japan. As of 31 July 2024, the city had an estimated population of 24,240 in 11741 households, and a population density of 64 persons per km 2. [1] . The total area of the city is 376.30 km 2 (145.29 sq mi).

Aso is Kumamoto's most fascinating sightseeing spot. From having the largest inhabited caldera in the world to the surrounding verdant grasslands, Aso thrives with incredible vistas of Japanese heritage and geographical wonders.

Mount Aso (阿蘇山, Asosan) is an active volcano in the center of Kyushu which most recently erupted in 2021 and 2016. Aso's ancient caldera ranks among the world's largest, with a diameter of up to 25 kilometers and a circumference of over 100 kilometers.

Mount Aso (阿蘇山, Asosan) is a large active volcano in the center of Kyushu. The mountain's caldera, created by multiple gigantic eruption in the distant past, is with a circumference of over 100 kilometers one of the largest in the world. Surrounded by a circular rim, the caldera contains multiple rural towns and wide areas of rice fields.

One of Japan's first national parks, Aso-Kuju National Park is an essential place to visit for hiking, outdoor sports, or hot springs. In the center of it all lies Mt. Aso, a collapsed caldera and the most active volcanic area in Japan.

Jan 17, 2021 · Things to Do in Aso, Japan: See Tripadvisor's 6,207 traveler reviews and photos of Aso tourist attractions. Find what to do today, this weekend, or in February. We have reviews of the best places to see in Aso. Visit top-rated & must-see attractions.

The volcanic Mount Aso, emblematic of Kumamoto (the “Land of Fire”) is home to an immense caldera. Among the largest in the world, Aso’s caldera stretches 18 km east to west and 25 km north to south.

The journey between Kumamoto and Aso stations can be done by local trains (100 minutes, 1130 yen one way, almost every hour) or limited express trains (70 minutes, around 2000 yen one way, every three hours) along the JR Hohi Line. All trains are covered by the Japan Rail Pass and the Kyushu Rail Pass (All Kyushu and Northern Kyushu versions).

Jan 7, 2024 · More than most other destinations in Japan, a visit to the Aso-Kuju Geopark demands great weather: Without sunny skies, the lush greenery of the volcano and the caldera around it are so muted that neither their scale nor splendor clearly comes across.

The Aso area is home to the world’s biggest inhabited volcanic caldera, known as Mount Aso or 阿蘇山. It’s also Japan’s largest grassland area and home to some gorgeous scenery.