
Kaka-no-Kukedo Sea Caves Boat
Explore the mystical Kaka-no-Kukedo Sea Caves, a vast underwater cavern steeped in legend and natural beauty, best experienced by boat.
Highlights
Must-see attractions
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Best Time
Best for boat exploration

Kaka-no-Kukedo Sea Caves Boat
Best Time
Best for boat exploration
Highlights
Must-see attractions
Explore the mystical Kaka-no-Kukedo Sea Caves, a vast underwater cavern steeped in legend and natural beauty, best experienced by boat.
"A rare and impressive experience exploring a mystical and beautiful sea cave by boat."

🎯 Cash is King
Most boat tours prefer cash payment for tickets. Have enough Japanese Yen on hand to avoid issues.
🚗 Navigate to Marine Plaza
Use Marine Plaza Shimane as your car navigation destination, not the caves directly.

Quick Facts
Rating
4.6 · 14 reviews
Highlights
Discover the most iconic attractions and experiences

Shinkukedo Underwater Cavern
Inside the sea caves
Explore a vast 200-meter underwater cavern with three entrances, a truly mystical and beautiful natural wonder.

Shrine of Kisakahime-no-Mikoto
Within the sea caves
Discover the ancient shrine dedicated to the mother goddess, a significant spiritual site within the cave.

Legendary Birthplace
Kukedo Sea Caves
Visit the mythical birthplace of Sada no Okami, steeped in ancient Japanese folklore and legends.
Plans like a pro.
Thinks like you
Planning Your Visit
Boat Tour Essentials
Sacred Site Etiquette
Best Times
Insider Tips
from TikTok, Instagram & Reddit
🎯 Cash is King
Most boat tours prefer cash payment for tickets. Have enough Japanese Yen on hand to avoid issues.
🚗 Navigate to Marine Plaza
Use Marine Plaza Shimane as your car navigation destination, not the caves directly.
📸 Photo Opportunities
The sea is beautiful and offers many great photo spots. Be mindful of water spray inside the caves.
💧 Watch for Waterfalls
Be cautious of falling water inside the cave, especially if you're working with delicate equipment.
Tips
from all over the internet
🎯 Cash is King
Most boat tours prefer cash payment for tickets. Have enough Japanese Yen on hand to avoid issues.
🚗 Navigate to Marine Plaza
Use Marine Plaza Shimane as your car navigation destination, not the caves directly.
📸 Photo Opportunities
The sea is beautiful and offers many great photo spots. Be mindful of water spray inside the caves.
💧 Watch for Waterfalls
Be cautious of falling water inside the cave, especially if you're working with delicate equipment.
What Travellers Say
Reviews Summary
Visitors consistently praise the Kaka-no-Kukedo Sea Caves for their mystical beauty and unique geological formations, especially when viewed from a sightseeing boat. The experience is often described as impressive and memorable, with many appreciating the spiritual significance of the site. However, some note the need for cash payments and the potential for water spray inside the caves.
"Kukedo is a cave. It was formed when faults and cracks formed in the andesite and tuff bedrock due to crustal movement, and the rough waves of the Sea of Japan eroded along these cracks.
Shinkukedo has three entrances, forming a 200-meter-long underwater cavern connected like a tunnel. The cave is spacious, and on calm days, it is possible to explore it from a glass-bottom boat.
According to the Izumo Fudoki, Shinkukedo is recorded as the birthplace of Sada no Okami, the deity enshrined at Sada Shrine. As a result, Kaga Shrine was enshrined here in ancient times, and it became a sacred area. Even today, a small shrine marking the former site remains within the cave. Legend has it that the cave entrance was created by a mother goddess shooting a golden bow and arrow at the time of the god's birth.
Within the cave is a shrine to the mother goddess Kisakahime.
Princess Kisaka (Kisagaihime) was one of the two goddesses who revived Okuninushi no Mikoto, who had been burned to death by the Yasogami (eighty gods), using powder from the shell of an ark shell."
ホタカ・東京
"This cave, also known as Kamikubedo, is said to be the birthplace of Sada-no-Okami. It has three large entrances, measuring 40 meters high and 200 meters long.
When his mother, Kisakahime-no-Mikoto, shot a golden arrow through the cave, a light streamed in and she exclaimed, "It shines!" This is the origin of the place name Kaga.
The arrow is said to have pierced a small island offshore, leaving a hole. This island is called Matoshima, and the cave and the hole are on a straight line.
You can also explore the inside of the cave by sightseeing boat. Inside, you'll find a shrine to Kisakahime-no-Mikoto and a torii gate. Even today, it's said that sailing secretly near the cave can cause sudden gusts of wind and lead to accidents.
This is a place that is primarily visited by sightseeing boat. Traveling by land is possible, but it's a bit dangerous and the area is considered sacred, so it's best to avoid it."
Ar Kn
"It was a very mystical and beautiful place.
A sightseeing boat service is offered, costing 1,500 yen per person. It appears that payment is cash only.
The sea is beautiful and you can take lots of great photos. On the way, there is a point where water falls from above as you pass through a cave, so please be careful if you work with precision machinery. (Your guide will let you know in advance.)
When you visit, please set your car navigation system to head to Marine Plaza Shimane instead of this spot."
Youki YOSHIOKA
What People Like
What People Dislike
Frequently Asked Questions
🚇 🗺️ Getting There
The best way to access the caves is by taking a sightseeing boat tour. For driving, set your car navigation to Marine Plaza Shimane, as direct navigation to the caves can be tricky.
While technically possible, visiting by land is strongly discouraged due to safety concerns and the sacred nature of the site. Boat tours are the recommended and safest method.
The most popular and recommended way to experience the Kukedo Sea Caves is via a glass-bottom sightseeing boat tour. This allows you to safely explore the impressive underwater cavern.
The caves are located beneath a lighthouse. Marine Plaza Shimane is a key landmark to aim for when driving to the area.
🎫 🎫 Tickets & Entry
The sightseeing boat tour typically costs around 1,500 yen per person. It's advisable to confirm the current price before your visit.
Booking in advance is recommended, especially during peak tourist seasons, to secure your spot on the boat tour.
Payment for the boat tour is often cash-only. It's best to have Japanese Yen readily available.
Operating hours can vary depending on the season and weather conditions. It's best to check with the local tour operators for the most up-to-date schedule.
📸 📸 Photography
The interior of the sea caves offers a unique and mystical backdrop for photos. The surrounding coastline also provides beautiful scenic views.
While you can bring cameras, be cautious of water spray inside the caves. Your guide will likely provide warnings about potential water exposure.
Expect dramatic lighting, unique rock formations, and the ethereal glow of the water. It's a great opportunity for atmospheric shots.



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