Discover the Natural Beauty of Akiyoshidai

While Yamaguchi Prefecture enjoys the scenic benefits of both the coastline and a ragged mountain range, the most celebrated natural attraction is the Akiyoshidai Quasi-National Park. Set over a sprawling 130 square kilometers, Akiyoshidai is known for its unique limestone rock formations and caves. After a movement in the Earth’s crust over 300 million years ago, the park is now home to Japan’s largest karst plateau, formed from the coral reef that was here long ago. As well as the limestone rock formations dotted across the plateau, this karst landscape is also characterized by sinkholes and caves, most notably Akiyoshido - Japan’s longest cave.

Discover the Natural Beauty of Akiyoshidai

On your arrival to Akiyoshidai, head on over first to the Karst Observatory to take in the beautiful surroundings. With such a large area to be explored, the park is a popular destination for hiking, but if you're not interested in hiking then fear not, you can settle in at the cafe and take it all in with comfort. On the other hand, if you are not adverse to a hike then take to the trails and allow yourself to be drawn in, exploring the impressive formations and caves up close. The character of the landscape can change dramatically between seasons, but that said each season has its own beauty, making this a destination worth visiting year-round.

Discover the Natural Beauty of Akiyoshidai

Akiyoshidai is interspersed with many caves, however, be sure to explore the three main caves open to the public. There are two smaller caves - Kagekiyo and Taisho - and of course Akiyoshido, which as previously mentioned, is the longest cave in Japan. In these caves, you will experience limestone formations and stalactites that have been forming over millions of years. Be careful of your timing as entry to the caves do close to the public at around 4:30pm, but the wider park remains open and you may even be lucky enough to catch a light installation while there. If you don’t want to leave it to luck, contact the park directly for scheduling information.

Discover the Natural Beauty of Akiyoshidai

Akiyoshidai Quasi-National Park is managed by the local government, and if you’re interested in learning more about the history of the area, then there are plenty of facilities available for you to satisfy your curiosity. From the Natural History Museum to the Eco Museum, you can learn about the topography and structure of the land, as well as how this land was used for farming in the Edo period (1603-1867). You can also explore the ruins of Japan’s oldest state-owned copper mine which last operated in the 1950s.

Discover the Natural Beauty of Akiyoshidai

Whether you choose to take in the scenery from the comfort of the cafe, or you hike the trails and explore the formations and caves, Akiyoshidai Quasi-National Park will be sure to deliver a natural beauty unlike any other in Japan. The park is accessible by a 60 minute bus from Yamaguchi Station to Akiyoshido bus station and will cost 1,210 yen each way.

Discover the Natural Beauty of Akiyoshidai

Kagekiyo Cave and Taisho Cave are open 365 days a year from 8:30-5:15, however entrance to the cave may be cut off at 4:30, and there is an admission fee of 1,000 yen for adults.
Akiyoshido Cave is open 365 days a year from 8:30-5:30 (March-November) and 8:30-4:30 (December-February). The admission fee for adults is 1,200 yen.
Akiyoshidai Museum of Natural History is open from 9-5 and has free admission. Please note it is closed on Mondays and national holidays, as well as New Years holiday (December 28-January 4).
Akiyoshidai Eco Museum is open from 9-4:30 and has an admission fee of 200 yen for adults. Please note it is closed on Mondays and national holidays, as well as New Years holiday (December 28-January 4).
The copper mine ruins are open from 9-5 and have an admission fee of 300 yen for adults. Please note they are closed on Mondays and national holidays, as well as New Years holiday (December 28-January 4).

Facility Name
Akiyoshi-dai Plateau
Address
Mimaki City Yamaguchi
Introduction
Believed to have been formed some 350 million years ago as a coral reef, the Akiyoshi-dai Plateau is one of Japan’s largest karst plateaus and boasts a total area of around 54 square kilometers. Countless rugged limestone protrusions jut out of the scenic vast grass-covered plain, and flowers can be found here growing year round. Scenic observatory offers panoramic views of the magnificent plain. The limestone of Akiyoshido, a designated Special Natural Monument, is another of the area’s highlights. The entire area is also designated as a Quasi-National Park which serves as a popular leisure spot where visitors can go hiking and trekking.
Information Sources:
NAVITIME JAPAN
Facility Name
Akiyoshidai Karst Tembodai
Address
Yamaguchi Pref. Mineshi Shuhouchouakiyoshi Taishan
Phone
0837620305
Information Sources:
NAVITIME JAPAN
Facility Name
Kagekiyodo
Address
Yamaguchi Pref. Mineshi Mitouchouaka
Phone
0839622201
Business hours
8:30-16:30
Regular holiday
open everday
Information Sources:
NAVITIME JAPAN
Facility Name
Taishodo
Address
Yamaguchi Pref. Mineshi Mitouchouaka 2666-1
Phone
0839620605
Business hours
8:30-16:30
Regular holiday
open everday
Information Sources:
NAVITIME JAPAN
Facility Name
Akiyoshido
Address
Yamaguchi Pref. Mineshi Shuhouchouakiyoshi 3506-2
Hours
8:30-16:30
Closed
open everyday
Fees
Adults1,200yen、High School Students1,200yen、Junior High School Students950yen、Elementary School Students600yen
Parking Lot
Available
Introduction
Akiyoshidai, in the eastern part of Mine City in Yamaguchi Prefecture, is home to the “Akiyoshido,” Japan’s greatest limestone cave. The entrance to the cave has a height of 24 meters and a width of eight meters, and the cave’s deepest point is about 200 meters below the surface. There are plenty of sights to see such as the giant Golden Pillar, a travertine pillar with a height of approximately 15 meters, and the Hundred Saucers, which look like terraced rice-fields. The interior of the cave stretches for nearly 10 kilometers, but the sightseeing path only ventures to about one kilometer into the cave. The temperature remains stable at nearly 17°C throughout the year, and a wide range of ages can comfortably tour the cave.
Information Sources:
NAVITIME JAPAN
Facility Name
Naganoboridozambunkakoryukan
Address
Yamaguchi Pref. Mineshi Mitouchounaganobori 610
Phone
0839620055
Information Sources:
NAVITIME JAPAN

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PLACES IN THIS ARTICLE

  • dummy image

    Naganoboridozambunkakoryukan

    Travel/Sightseeing
    Yamaguchi Pref. Mineshi Mitouchounaganobori 610
  • dummy image

    Akiyoshidai Karst Tembodai

    Travel/Sightseeing
    Yamaguchi Pref. Mineshi Shuhouchouakiyoshi Taishan
  • dummy image

    Taishodo

    Travel/Sightseeing
    Yamaguchi Pref. Mineshi Mitouchouaka 2666-1
  • dummy image

    Kagekiyodo

    Travel/Sightseeing
    Yamaguchi Pref. Mineshi Mitouchouaka
  • dummy image

    Akiyoshidai ECorporation Museum

    Fun/Leisure/Hobby
    Yamaguchi Mine-shi Mitocho-aka 2368-1
  • Akiyoshido image

    Akiyoshido

    Travel/Sightseeing
    Yamaguchi Pref. Mineshi Shuhouchouakiyoshi 3506-2
  • dummy image

    Akiyoshi-dai Plateau

    Travel/Sightseeing
    Mimaki City Yamaguchi
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