What is the Seto Inland Sea Shimanami Kaido（Setouchi Shimanami Kaido）?
The Seto Inland Sea Shimanami Kaido is a road of about 60 km in length that connects Onomichi in Hiroshima Prefecture to Imabari in Ehime Prefecture. It’s a spectacular route that links the islands of the Seto Inland Sea with bridges.
The Shimanami Kaido is also known as a "mecca for cycling" — popular with domestic and international tourists because you can enjoy its beautiful scenery by bike, on foot, or by car.
One of the charms of the Shimanami Kaido is that you can cycle while visiting the islands scattered across the Seto Inland Sea and savor local culture and cuisine.
In this article, we’ll introduce the highlights of the Shimanami Kaido and how to enjoy your trip in detail!
Highlights of the Seto Inland Sea Shimanami Kaido
1. The Cycling Route
The Shimanami Kaido is famous as one of the world’s top cycling routes.
A blue line (the "Blue Line") is painted along the road so cyclists from beginner to advanced can ride with confidence.
Recommended points
- Total length: The full route is about 60 km (Onomichi to Imabari)
- Rental bikes: You can rent bicycles in Onomichi and on each island.
- Scenic spots: The view of the Seto Inland Sea’s many islands from the bridges is breathtaking.
There are stopping points dotted across each island, so you can take breaks along the way and enjoy a relaxed ride.
2. Island Attractions
Mukaishima
The first island you cross from Onomichi, Mukaishima offers tranquil scenery and coastal roads.
- Takami-yama Observatory: From the summit at 283 m you can enjoy 360-degree panoramic views.
Innoshima
Known as a shipbuilding town, Innoshima has well-maintained cycling routes that are easy to ride.
- Innoshima Suigun Castle: A museum themed on the maritime forces where you can learn about the history of the Murakami navy.
Ikuchijima
Famous for Setoda lemons, Ikuchijima offers beautiful art and local gourmet treats.
- Hirayama Ikuo Museum of Art: Exhibits works by the world-renowned painter Ikuo Hirayama.
- Lemon sweets: Don’t miss the lemon cakes and gelato!
Omishima
Called the "island of the gods," Omishima is rich in history and culture among the islands on the Shimanami Kaido.
- Oyamazumi Shrine: One of Japan’s major shrine sites, displaying national treasures and important cultural property armaments.
Hakatajima
Famous as the production area of "Hakata no Shio" salt, this island is also attractive for its beautiful beaches.
- Hakata Beach: A lively swimming spot in summer with pleasant scenery.
Oshima
The last major island before Imabari, Oshima is home to the Shimanami Kaido’s largest bridge, the Kurushima Kaikyō Bridge.
- Kirosan Observatory: A spectacular viewpoint where you can overlook the entire Shimanami Kaido.
3. Touring the Spectacular Bridges
The Shimanami Kaido features seven bridges in total, each with its own appeal.
The most famous bridges include:
- Tatara Bridge: A beautiful cable-stayed bridge connecting Ikuchijima and Omishima.
- Kurushima Kaikyō Bridge: The symbol of the Shimanami Kaido — an impressive triple-span suspension bridge.
The calm sea and islands visible from the bridges create unforgettable scenery.
Experiences to Enjoy on the Shimanami Kaido
Cycling Experience
Cycling on the Shimanami Kaido is enjoyable even for beginners.
Electric-assist bicycles and children’s bikes are available for rent, making it a good option for family trips.
Enjoy Local Cuisine
Each island offers unique local gourmet specialties.
- Setoda lemons: Many dishes and sweets use local lemons.
- Hakata no Shio soft-serve: A famous dessert with a perfect balance of sweet and salty flavors.
- Seafood: Enjoy fresh seafood from the Seto Inland Sea.
Relax in Hot Springs
After cycling, soothe tired muscles at the hot-spring facilities on the islands.
Especially notable is Omishima’s "Mare Gracia Omishima," which offers a sea-view hot spring experience.
Access to the Seto Inland Sea Shimanami Kaido
From the Hiroshima side (Onomichi)
- Train: Accessible from JR Sanyo Main Line “Onomichi Station.”
- Car: From the Sanyo Expressway, take the "Onomichi IC" toward Onomichi city center.
From the Ehime side (Imabari)
- Train: Accessible from JR Yosan Line “Imabari Station.”
- Car: From the Matsuyama Expressway, take the "Imabari IC" to the Shimanami Kaido.
Useful Information for Travelers
Rental Bikes
There are rental bike terminals on each island. Regarding one-way returns, public (government-run) terminals generally allow drop-offs, while private shops may not — policies vary by store.
- Price: From around ¥3,000/day for adults (additional fee for electric-assist bikes)
What to Bring
- Comfortable, active clothing: Sportswear is recommended for cycling.
- Water bottle: You can refill on the islands, but bring water for hydration.
- Camera: There are many scenic spots, so don’t forget your camera!
Best Seasons
Spring (March–May) and autumn (September–November) offer mild weather and are ideal for cycling.
Frequently Asked Questions (FAQ)
Q. Is it okay for cycling beginners?
A. Yes. Rental shops offer electric-assist bikes, so beginners can enjoy the route easily.
Q. Can I bring my own bicycle?
A. Yes. Bicycles can be brought on ferries and buses.
Q. How long does it take to ride the entire Shimanami Kaido?
A. On average it takes about 4–6 hours to complete the route, but including sightseeing and breaks it’s recommended to spend a full day.
Conclusion
The Seto Inland Sea Shimanami Kaido is one of Japan’s top tourist spots where you can cycle among beautiful islands and across spectacular bridges.
The cycling route caters to beginners through advanced riders, each island offers attractive sights, and local cuisine captivates visitors.
With easy access from Hiroshima, experience a soothing journey through the calm scenery of the Seto Inland Sea!
Create special memories on the Shimanami Kaido.
