Frequently Asked Questions
English answers are machine-translated from the property's Japanese information. Please confirm important details with the property directly.
Or browse the answers we’ve already prepared below.
These answers were written by AI from the property's official website. The property has not checked them. Collected on August 18, 2026. Prices and times may be out of date, so please confirm anything important with the property.
Access (1)
How do I get there by public transport?
About 40 minutes by Bocho Kotsu bus from JR Shin-Yamaguchi Station; get off at the Akiyoshido stop and walk about 10 minutes to the main entrance. By car it is about 5 minutes from Akiyoshidai IC on the Ogori-Hagi Road (via Mine-Higashi JCT on the Chugoku Expressway).
ガイドツアー (1)
Are there guided tours?
A guided tour called the Akiyoshido Geo Tour, bookable on the day, is offered. A specialist guide explains the highlights of the cave in detail as you walk through.
Experiences (1)
What is the adventure course?
It is a special exploration course starting near Aotenjo, just inside the main entrance. It is a hands-on tour where you proceed by torchlight alone, and is also recommended for children. A separate charge from the standard visitor route applies.
入口 (1)
Are there several entrances? Which do you recommend?
There are three: the main entrance, the Kurotani entrance and the lift entrance. For first-time visitors we recommend entering from the main entrance (the Akiyoshido information centre). Last entry from the Kurotani and lift entrances is 16:30.
割引・セット観光 (1)
Can I visit Akiyoshidai on the same trip? Is there a discount?
There is a reciprocal discount between Akiyoshido and Akiyoshidai Safari Land (a joint discount ticket until March 2026; from April please check at each facility's reception). The Akiyoshidai karst plateau is within walking distance.
安全情報 (1)
Can water levels rise inside the cave?
The cave may be closed when water levels rise because of heavy rain or a typhoon. We recommend checking conditions on the official website or with the tourism association before visiting.
Time needed (1)
How long is the visitor route and how long does it take?
The visitor route is about 1 km and takes about 1 hour as a guide. You walk through the section open to the public of a cave system with a total length of 11.2 km.
Payment methods (1)
Can I pay by cashless methods?
Major cashless payment methods are accepted, including PayPay, d Barai, au PAY, merpay, Suica, PASMO, Rakuten Edy, QUICPay, iD, nanaco, WAON and ALIPAY.
Prices (1)
How much is admission to Akiyoshido, and does it change by season?
Pricing varies by season. In the regular season (to 30 June and October-November) it is 1,600 yen for adults, 1,300 yen for junior high school students and 850 yen for elementary school students. In the peak season (Golden Week, July-August) it is 1,900 yen for adults. In the low season (December-February) it is 1,350 yen for adults. Group discounts apply for 20 or more.
服装・準備 (1)
What is the temperature inside the cave, and what should I wear?
The cave stays at a constant 17C through all four seasons, so it feels cool in summer and warm in winter. Even in summer it can feel chilly inside, so we recommend bringing something to put on.
Parking (1)
Is there parking, and is there a charge?
Near the main entrance there are municipal car park 1 (200 spaces, 500 yen per day) and car park 2 (300 spaces, 500 yen per day). Parking near the Kurotani entrance (120 standard cars) and near the lift entrance (150 standard cars) is free. Each entrance can also take large coaches.
Other (6)
What is the address?
3506-2 Akiyoshi, Shuho-cho, Mine City, Yamaguchi Prefecture
What are the opening hours?
Regular season (to 30 June and 1 October to 30 November) 9:00-16:30 / peak season (1 July to 30 September) 9:00-17:30 / Golden Week and the Obon period 8:30-17:30. The Kurotani and lift entrances close at 16:30.
When is it closed?
Open all year round (it may close when water levels in the cave rise).
How much is admission?
Regular season: adults 1,600 yen, junior high school students 1,300 yen, elementary school students 850 yen / peak season (Golden Week, July-August): adults 1,900 yen, junior high school students 1,300 yen, elementary school students 850 yen / low season (December-February): adults 1,350 yen, junior high school students 1,050 yen, elementary school students 700 yen. Group discounts apply for 20 or more.
Is there parking?
Parking is available. Please check the official information for details.
How do I get there?
About 40 minutes by Bocho Kotsu bus from JR Shin-Yamaguchi Station; get off at the Akiyoshido stop and walk 10 minutes / about 5 minutes by car from Akiyoshidai IC on the Ogori-Hagi Road (via Mine-Higashi JCT on the Chugoku Expressway).