The Aso Nakadake Caldera

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The Aso Nakadake Caldera

Powerful crater. You will feel the breath of the earth.

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Supervised by :  Sanko Bus Co., Ltd.

Nakadake (1506 m) in the center of Mt. Aso is a volcano that continues to be active. You can see the volcanic crater up close. There are seven craters in Nakadake, and the first crater is currently active and can be seen. It can be reached near a huge crater with a circumference of about 4 km. When the gas clears, you can see the emerald green lake at the bottom of the crater, which is filled with 50 ~ 60 °C hot water.

However, if the volcanic alert level is 2 or higher, access is restricted. That is when the volcanic gas concentration exceeds the standard value or when volcanic activity is active. Therefore, you need to check on the website beforehand.

A ropeway used to run to the crater, but it was destroyed by an explosive eruption in 2016 and the line was abandoned. It can now be accessed via the Mt. Aso Park Road, a toll road that connects the Aso Sanjo Public Square and the parking lot next to the Nakadake crater. If the parking lot next to the crater is full, or if you come by a large bus, transfer to the Mt. Aso Crater Shuttle Bus at Mt. Aso Sanjo Square to get to the crater.

Highlights

  • The crater of Mt. Aso where smoke rises from the emerald green crater lake.
  • Drive on the toll road or take the Mt. Aso crater shuttle bus.
  • Entry is restricted when the volcanic alert level is 2 or higher.

Photos

  • Crater that sends up clouds of smoke. It has been worshiped since ancient times.

    Crater that sends up clouds of smoke. It has been worshiped since ancient times.

  • Huge crater. You can observe the violent eruption of smoke up close.

    Huge crater. You can observe the violent eruption of smoke up close.

  • Aso Sanjo Terminal. Aso crater line bus and Mt. Aso crater shuttle bus arrives and departs.

    Aso Sanjo Terminal. Aso crater line bus and Mt. Aso crater shuttle bus arrives and departs.

  • There is a toll road near the crater.

    There is a toll road near the crater.

Reviews

4

Some reviews are AI-translated.

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    Driving all the way up from the foot of the mountain along the winding Mt. Aso scenic road, the view outside gradually changed from dense green forest to a desolate volcanic lava plateau with a rugged beauty. When I reached the volcanic plaza at the summit, I could already see plumes of white smoke with a strong sulfur smell constantly rising from the Nakadake crater in the distance.

    Looking down from the observation deck, the huge crater contained a surreal, dreamlike blue-green volcanic lake. Together with the occasional bursts of steam and rumbling sounds, it really felt like standing on the surface of another planet. The visual impact was incredibly powerful! Since Nakadake is an active volcano, be sure to check the official website for that day's volcanic gas alert level and access status before heading up. If you're lucky enough to visit on a day when it's open, standing close to the crater's edge and looking down into this eye of the earth is an unforgettable experience.

    I highly recommend adding the Aso Nakadake Crater to your itinerary when taking a road trip through Kyushu and experiencing this magnificent natural wonder that feels truly alive and breathing!

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    The moment I arrived at the Nakadake Crater of Mt. Aso, the only word to describe it was “spectacular.” The sight before me was completely different from an ordinary tourist attraction. Nakadake is still an active volcano, and standing in front of the crater, I could feel the power contained within nature, which also added a sense of tension to the trip.

    Even before reaching the crater, I could already smell the strong sulfur odor. Along the mountain road, there were many emergency shelters built in case of an eruption. I couldn't help imagining that if the volcanic activity suddenly intensified, these shelters would be an important line of defense for protecting visitors. Along with the magnificent volcanic scenery, the journey also inspired a greater sense of awe toward nature.

    After reaching the crater and looking down from above, I could see white smoke continuously rising from it, like a huge living creature breathing. Occasionally, there was also a gurgling sound, as if a huge pot of scorching mud were boiling beneath the volcano. It was both interesting and astonishing.

    Because Mt. Aso is still volcanically active, professionals closely monitor it every day. If the weather is poor or volcanic activity becomes more frequent, access may be restricted or even prohibited. The winds at the summit are also quite strong, and breathing in the sulfur odor for too long isn't advisable, so after taking photos and briefly experiencing the awe of the place, we hurried away.

    Mt. Aso is definitely worth experiencing in person. However, due to a helicopter crash this year, the relevant areas are currently still closed. I hope they can reopen once the volcanic activity and safety conditions have stabilized.

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    Aso's volcano is truly a world-class attraction. If you're visiting Kyushu, you definitely shouldn't miss it!

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    Thick volcanic smoke hits you right away, and there's a strong sulfur smell. It feels like an eruption could happen at any moment. The power of nature really makes you feel small.

Details

Name in Japanese
阿蘇中岳火口
Postal Code
869-2225
Address
Kurokawa, Aso City, Kumamoto
Telephone
0967-34-0411 ( Aso Sanjo Terminal )
Closed
Open every day
Business Hours
9:00am - 5:30pm
November: 9:00am - 5:00pm
December 1st -March 19th: 9:00am - 4:30pm
Admission
Free (Toll roads: minicars 600 yen, ordinary cars 800 yen)
Directions
Access
Credit Cards
Not accepted
Official Website
Official Website (Japanese)
Hokkaido Tohoku Kanto Chubu Hokuriku Kansai Chugoku Shikoku Kyushu Okinawa