What is Tomogashima?
Tomogashima is a mystical group of uninhabited islands located in Wakayama City, Wakayama Prefecture. It consists of four islands floating in the Kitan Strait: Okinoshima, Jinoshima, Torajima, and Kamishima.
Among them, Okinoshima is known as the main tourist hub, where remnants of former gun batteries and beautiful nature spread out, attracting many explorers and photography enthusiasts.
Tomogashima is also famous as a spot that evokes the world of "Laputa: Castle in the Sky," featuring a unique landscape where ruins and nature blend together.
This island, which stimulates the spirit of adventure, offers a special experience for both domestic and international visitors.
Highlights of Tomogashima
1. Third Battery Ruins
The largest attraction on Tomogashima, the Third Battery Ruins, is a fantastical spot where brick ruins are covered in greenery.
Here you can see historical structures that served as part of Japan’s coastal defenses from the late 19th century through World War II.
Ruins enthusiasts will love the atmosphere—the feeling of wandering into a scene from a movie.
2. Beautiful Nature and Spectacular Views
Tomogashima retains much of its untouched nature. On the island’s hiking trails you can enjoy lush forests and dramatic coastal scenery.
From the lookout points you can take in panoramic views of the Kitan Strait, Awaji Island, and even the Akashi Kaikyō Bridge.
3. Lighthouse Scenery
The Tomogashima Lighthouse is a historic building and a symbolic presence on the island.
The area around the lighthouse is a popular photo spot, and it is especially beautiful at sunset.
4. Encounters with Wildlife
You may encounter wild deer and rabbits on Tomogashima.
As you quietly stroll the island, you’ll occasionally feel the natural coexistence between wildlife and the environment.
5. Uninhabited-Island Adventure
Tomogashima is a place that stirs the adventurous spirit typical of uninhabited islands.
By freely walking among ruins and nature, you can fully enjoy the thrill of exploration.
What to enjoy by season
- Spring: Fresh greenery makes this an ideal season for hiking and walks.
- Summer: Enjoy picnics and adventures under blue skies and sea.
- Autumn: Autumn leaves color the island, making the scenery even more beautiful.
- Winter: With fewer tourists, you can explore the island quietly and at your own pace.
Access Information
Address
Kada, Wakayama City, Wakayama Prefecture
How to get there
- Train + Ferry
- From Nankai Electric Railway Kada Line "Kada Station," it’s about a 20-minute walk to Kada Port.
- From Kada Port, the ferry to Tomogashima takes about 20 minutes.
- By Car
- From the Hanwa Expressway "Wakayama IC," it’s about 50 minutes to Kada Port.
- There are parking lots around the port.
Ferry service information
- Operating times: Vary by season, but there are several sailings per day.
- Fare: Round-trip — Adults 2,500 yen / Children 1,250 yen.
Recommended ways to enjoy
1. Explore the ruins
Visit the Third Battery Ruins and other ruin areas to savor their unique atmosphere.
Bring a camera to capture special shots.
2. Hiking trails
Walk the hiking trails around Tomogashima to enjoy nature and spectacular views.
The trails have moderate ups and downs, so wear comfortable, easy-to-move-in clothing.
3. Picnics and photography
The area around Tomogashima Lighthouse is perfect for a picnic.
Bring a bento and relax while taking in the island’s beautiful scenery.
Practical information for travelers
What to bring and what to wear
- Comfortable shoes: Sneakers are recommended for walking among ruins and on hiking trails.
- Drinks and snacks: There is a cafe and vending machines near the pier (Nonoura Plaza), but there are no shops or vending machines along the trails, so bring supplies in advance.
- Camera: Essential for capturing the island’s distinctive scenery.
Notes
- Safety first: Some areas inside the ruins are dark and have unstable footing, so exercise caution.
- Protect the environment: Take your trash home and help preserve the natural environment.
Frequently Asked Questions
Q1. Can I visit Tomogashima anytime?
A. Ferry service can be affected by weather, so please check the ferry schedule in advance.
Q2. Are there accommodations on the island?
A. There are no accommodations on the islands. It is recommended to use nearby options such as Kada Onsen.
Q3. Is it suitable for families with children?
A. Yes. The ruins and nature walks are enjoyable for families, but please pay close attention to safety.
Tomogashima is a special spot where nature, history, and adventure come together.
Enjoy the mysterious charm of the uninhabited islands and have an unforgettable adventure!
