Question 1

How do I get there by public transport?

Accepted Answer

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).

Question 2

Are there guided tours?

Accepted Answer

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.

Question 3

What is the adventure course?

Accepted Answer

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.

Question 4

Are there several entrances? Which do you recommend?

Accepted Answer

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.

Question 5

Can I visit Akiyoshidai on the same trip? Is there a discount?

Accepted Answer

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.

Question 6

Can water levels rise inside the cave?

Accepted Answer

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.

Question 7

How long is the visitor route and how long does it take?

Accepted Answer

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.

Question 8

Can I pay by cashless methods?

Accepted Answer

Major cashless payment methods are accepted, including PayPay, d Barai, au PAY, merpay, Suica, PASMO, Rakuten Edy, QUICPay, iD, nanaco, WAON and ALIPAY.

Question 9

How much is admission to Akiyoshido, and does it change by season?

Accepted Answer

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.

Question 10

What is the temperature inside the cave, and what should I wear?

Accepted Answer

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.

Question 11

Is there parking, and is there a charge?

Accepted Answer

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.

Question 12

What is the address?

Accepted Answer

3506-2 Akiyoshi, Shuho-cho, Mine City, Yamaguchi Prefecture

Question 13

What are the opening hours?

Accepted Answer

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.

Question 14

When is it closed?

Accepted Answer

Open all year round (it may close when water levels in the cave rise).

Question 15

How much is admission?

Accepted Answer

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.

Question 16

Is there parking?

Accepted Answer

Parking is available. Please check the official information for details.

Question 17

How do I get there?

Accepted Answer

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).

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