Flashlight

SUP or canoe equipment rental fee

Participant-exclusive coupon page (for restaurants, etc.)

Wetsuit (Winter season)

Free photo data

Activity fee, Liability insurance, and Consumption tax

Safety gear (Life jacket and water shoes)

Caving equipment rental fee

Infants are required to sit on an adult’s lap

Specialized infant seats are available

Not recommended for travelers with spinal injuries

Not recommended for travelers with poor cardiovascular health

Not recommended for pregnant travelers

Public transportation options are available nearby

Travelers should have at least a moderate level of physical fitness

Meeting and dismissal times may change depending on the season and field conditions. The shop will contact you with details such as the time and location the day before.

Tours operate in the rain but may be canceled if field conditions are determined to be unsafe.

Please change into clothes that can get wet before arriving at the meetup location.

Please use the restroom before arriving, as there are no facilities available near the site.

Please be sure to contact us in advance if you are going to be late.

The acceptable age range for participants is 7 to 59 years old.

If the tide level is 90 cm or higher, the tour schedule/time slot may change.

Photos of the cave interior shown are from the past. Currently, photography is only allowed at the entrance.

Hotel pickup is generally available, but you may be asked to meet at the site depending on booking status. Availability will be confirmed the day before.

Those under the influence of alcohol or experiencing a hangover

Those with pacemakers or cardiac diseases

Those with respiratory diseases (such as asthma)

Those with mental or neurological conditions (epilepsy, dementia, developmental disorders, panic disorder, etc.)

Those with cerebrovascular diseases

Those with physical disabilities

Those with diabetes

Those weighing 100 kg or more

Guests with hearing or visual impairments cannot participate alone. You must be accompanied by a helper or interpreter, and please consult us in advance.

If you have other medical conditions, a fever, or injuries, you generally cannot participate. If symptoms are minor and you still wish to join, you must notify us in advance.