Aso Volcano Crater: The World's Largest Volcanic Crater, Enjoy Camping and Cuisine

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Real-time travel info for Aso Nakadake Crater 1 on 2026.3.21

Today's weather: 6~16℃

Today's opening status: Temporarily closed | Opening hours TBD

Aso Volcano Crater is an active volcano located in Kumamoto Prefecture, Japan, and is part of the Aso Volcano group. The Aso Volcano Crater is considered one of the largest volcanic craters in the world, measuring approximately 18 kilometers east to west and 25 kilometers north to south. The feature of this crater is its caldera terrain, which is very rare in the world. The diameter of the Aso Volcano Crater is about 600 meters, with a depth of about 130 meters. Within a range of about 4 kilometers around the crater, you can observe the spectacle of intense white smoke being emitted during volcanic eruptions up close. However, access to the crater is restricted based on weather conditions and volcanic activity, so please check the official website of the Aso Volcano Disaster Prevention Council for more information. The Aso region, where the Aso Volcano Crater is located, is a very popular tourist destination. Visitors can enjoy the magnificent volcanic landscape and unique geological features here. In addition to viewing the crater, visitors can also visit the Aso Volcano Museum to learn more about volcanic activity and geology. There are also other attractions in the Aso region worth visiting. For example, Aso Kusasenri is a grassland located southeast of the central cone of Aso Volcano, with the background of Kasa-dake and ponds formed by rainwater creating a magnificent landscape. In addition, there are camping facilities and gourmet restaurants in the Aso region, allowing visitors to enjoy leisure and cuisine in nature. The Aso region, where the Aso Volcano Crater is located, has been included in the Aso-Kuju National Park, which is an important area for protecting the natural environment and promoting ecotourism. Therefore, visitors should respect the natural environment and comply with relevant conservation regulations when visiting the Aso Volcano Crater.