What Is the Great Seto Bridge (Seto Ōhashi)?
The Great Seto Bridge (Seto Ōhashi) is a bridge link connecting Sakaide City in Kagawa Prefecture and Kurashiki City in Okayama Prefecture.
Opened in 1988 (Shōwa 63), it connects Honshu and Shikoku via the islands of the Shiwaku Archipelago in the Seto Inland Sea.
It is a two-level bridge carrying both road and rail, with a four-lane expressway (Seto Chūō Expressway) on the upper level and the JR Seto Ōhashi Line (Honshi-Bisan Line) on the lower level, and it is also known for being recognized by Guinness World Records.
By day, you can enjoy the contrast of the blue sea and sky, and at night, its illuminated appearance creates a magical scene.

Top Highlights of the Great Seto Bridge
1. Scenic Drive with Panoramic Seto Inland Sea Views
From the Great Seto Bridge, you can enjoy panoramic views of the beautiful islands and blue waters of the Seto Inland Sea.
Especially at sunset, the bridge and sea glow red, creating breathtaking scenery that captivates visitors.
The dramatic scale of continuously linked bridge types, including suspension bridges, cable-stayed bridges, and truss bridges, can be felt while driving across.
2. Spectacular Views from the Train Window
The Great Seto Bridge is a two-level bridge structure with both roadway and railway lines.
- If you take the JR Seto Ōhashi Line rapid train “Marine Liner,” you can travel between Okayama and Takamatsu.
- The section over the bridge, where you can see islands and fishing boats from the train window, is a memorable experience even if you are not a railway fan.
3. Night Views and Illumination
The Great Seto Bridge is illuminated on certain days.
Because the lighting schedule and content vary depending on the season and events, it is a good idea to check event information before viewing it from observation spots.
4. Learn About the Bridge’s Engineering and History
At “Seto Ōhashi Memorial Park” in Sakaide City, there is the “Seto Ōhashi Memorial Museum,” an exhibition facility where you can learn about the bridge’s structure and construction history.
Also, from the rotating observation deck of the “Seto Ōhashi Tower,” you can enjoy panoramic views of the entire bridge and the Seto Inland Sea.
5. Pair It with Setouchi Activities
The area around the bridge offers many sightseeing spots and activities in the Seto Inland Sea region.
At Yoshima Parking Area, you can stop along the way to take a break or enjoy a meal while seeing the bridge up close.
Joining a cruising tour to look up at the Great Seto Bridge from the sea is also recommended.

How to Get to the Great Seto Bridge
Access by Car
- About 30 minutes from central Takamatsu
- You can access the bridge from the Sakaide side via the Seto Chūō Expressway.
- About 30 minutes from central Okayama
- Access the bridge from the Kurashiki side via the Seto Chūō Expressway.
Access by Public Transportation
- Use the JR Seto Ōhashi Line
- Direct access is available from Takamatsu Station or Okayama Station on the rapid “Marine Liner.”
- You can enjoy the scenery from the train window as you travel.

Best Things to Do Around the Great Seto Bridge
1. Visit Seto Ōhashi Memorial Park
There is the Seto Ōhashi Memorial Museum (free admission), where you can learn about the bridge’s history and engineering, making it a great stop for families as well.
While walking along the park’s promenades, you can enjoy beautiful views of the bridge and sea.
2. Enjoy the View from Seto Ōhashi Tower
From the tower’s rotating observation deck, you can take in a panoramic view of the Great Seto Bridge and the surrounding scenery.
On clear days, you may even be able to see distant mountain ranges.
3. Visit Photo Spots
There are many photo spots where you can take pictures with the bridge as a backdrop.
Especially at sunset, it is a perfect chance to capture the beautiful colors of the Seto Inland Sea.
Popular photography points include Bannosu Park on the Sakaide side and Yoshima Parking Area.
4. Cruise the Seto Inland Sea
Join a cruise tour that passes under the bridge and experience the bridge’s impressive scale from below.
Sightseeing cruises depart from nearby ports, allowing you to enjoy the beauty of the many islands from the water.
5. Savor Setouchi Gourmet Food
In the surrounding area, you can enjoy dishes made with fresh seafood from the Seto Inland Sea and Kagawa’s famous Sanuki udon.
At Yoshima Parking Area, you can try menu items featuring Setouchi seafood.

Useful Travel Information for Visitors
- Operating Hours / Access Hours
- The Great Seto Bridge (Seto Chūō Expressway) is open 24 hours a day.
- Related facilities (such as Seto Ōhashi Memorial Park and the tower) have set opening hours and may have closing days.
- Tolls / Fares
- Vehicle tolls vary depending on vehicle type and whether ETC is used.
- JR fares and charges vary depending on route and seat type.
- What to Wear
- Because windy days are common at observation decks and parks, prepare season-appropriate clothing and comfortable walking shoes.
- Don’t forget cold-weather protection in winter.
- Notes
- While driving, do not get too distracted by the scenery and always drive safely.
- Speed restrictions or road closures may occur during strong winds.
Summary
The Great Seto Bridge is a landmark where you can experience both the beautiful scenery of the Seto Inland Sea and Japan’s advanced bridge engineering.
You can enjoy the views by car or train, and combining your visit with the memorial park, observation facilities, or a cruise can make your trip even more rewarding.
Be sure to visit the Great Seto Bridge and experience the many-island beauty of the Seto Inland Sea and the bridge’s impressive scale for yourself!