For your safety, this tour is currently maintaining a distance of at least 20 meters from the caves due to the risk of rockfall. We apologise for any inconvenience and appreciate your understanding.

Observe the cave where demons lived long ago

Ancient folklore tells of a group of demons who once lived in Yodo Cave.

They would raid the neighboring villages.

Susanoo-no-Mikoto, a Japanese Shinto god, heard the villagers' suffering and slayed the demons.

observe this legendary cave by small boat. Experience the setting of the legendary hero Susanoo-no-Mikoto!

Enjoy snorkeling in the crystal-clear waters of the Sea of Japan

In Takeno's clear blue waters, observe sea creatures and the unique coastline of the San’in Kaigan UNESCO Global Geopark.

Beginners can enjoy snorkeling with guidance on equipment from a well-trained guide.

DETAILS

REGISTRATION START
2026/07/01
REGISTRATION ENDS
2026/09/13
RESERVATION DEADLINE
7 days before activity
ACTIVITY OPTIONS
  • Morning Tour (9:00-11:30)
  • Afternoon Tour (13:00-15:30)
SCHEDULE
(Some times may differ)
Morning Tour
・9:00 Meet, instruction and warm up.
・9:30 Boat departure
visit Blue Dragon Cave or Yodo Cave → Snorkeling → Arrive at Akashima → Return to hotel by foot
・11:30 End of tour

Afternoon Tour
・13:00 Meet, instruction and warm up.
・13:30 Boat departure
visit Blue Dragon Cave or Yodo Cave→ Snorkeling → Arrive at Akashima → Return to hotel by foot
・15:30 End of tour

* Please note: As the guests' safety is our top priority, the guide may adjust the itinerary or skip cave entry in the event of strong winds or high waves.
ACCOMPANYING GUIDE
(INCLUDED OR NOT)
Included
Local Guide(Language: Japanese, English)
MINIMUM NUMBER OF PEOPLE
2
MAXIMUM NUMBER OF PEOPLE
5
AGE REQUIREMENT
13 years old and up
MEETING PLACE
Okukinosaki Seaside Hotel (669-6201 Hyogo, Toyooka, Takenocho Takeno, 4)
IMPORTANT INFORMATION
-The tour prioritizes guests' safety. The itinerary may change or end early for safety reasons. In case of bad weather, the activity may be cancelled. We will inform you by 18:00 the day before, so please check your email.

-If you are late, your activity may be cancelled without a refund.

-Complimentary transfers are available from Takeno/Kinosaki Onsen Station or your local accommodation. Advanced reservation is required.

- Required Items: Swimsuit/Rash Guard (no cotton), Water Shoes (no sandals or flip-flops), Hat, Towels, Spare Clothes, Sunscreen, Drinking Water. We recommend wearing long-sleeved tops and full-length trousers to help protect against jellyfish and other marine hazards.

- Rental water shoes (up to Japanese size 29cm) available free of charge, please provide your Japanese shoe size in advance.

- Waterproof phone cases are available for purchase at our shop. Please ask our staff for details.
MUST READ NOTES
Please note that signing our insurance document is mandatory prior to the activity. Failure or refusal to sign will result in the cancellation of your booking, and no refund will be issued.
PRICES
(Per person unless otherwise noted)
Number of Participants Price per Person
2-5 people 30,000 yen
INCLUDED IN THE PRICING
Guide (trained as a lifeguard) , snorkel rental, insurance
CANCELLATION FEES
Day of Cancellation Cancellation Fee (% of activity price)
No Show/After 17: 00 1 working day before 100%
1 working day before by 17:00 50%
2-7 working days before 30%
8+ working days before 0%
ACCEPTED PAYMENT TYPES
Pay by credit card (VISA, MASTER, JCB, AMEX, DC) via an activity confirmation link in an e-mail that we will send to you following your reservation.
OPERATOR NAME
Okukinosaki Seaside Hotel
Request Form
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