Kayaks on a sandy beach with the Tatara Bridge across the Seto Inland Sea

OMISHIMA

Shimanami Kaido, Seto Inland Sea

“A journey through islands, traditions, history and timeless landscapes”

Omishima is the Shimanami Kaido's largest island, blending a relaxed countryside vibe with an incredible depth of experiences. The island sits right in the middle of the Shimanami Kaido, making it the ideal spot to take a break during your cycling adventure. It features Ehime's oldest Shinto site, the historic Oyamazumi Shrine, which houses nearly 80% of Japan's national treasure samurai armor and helmets. Far more than a quick overnight stop, the island invites you to settle in for a multi-day stay to explore its striking modern art museums, unwind at local craft wineries, and hop onto nearby Rabbit Island. With an expanding network of seaside inns, cafes, and Airbnbs, Omishima is the ultimate slow-travel base camp for the Seto Inland Sea.

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Ōyamazumi Shrine

Ōyamazumi Shrine

One of Japan's oldest and most revered shrines, set among camphor trees over 2,600 years old. Samurai once traveled here to pray before battle, and its treasure hall now holds nearly 80% of Japan's nationally designated arms and armor.

Amazaki Castle Ruins

Amazaki Castle Ruins

The remains of a sea fortress on Kojōjima, a small island lying just offshore in front of the Tea House. It belonged to the Murakami Kaizoku, the pirate fleet that once held these straits. On the spring tides between spring and summer, the water draws back far enough to walk out to it.

Shimanami Kaido

The Shimanami Kaido unfolds as a cycling paradise connecting the islands of the Seto Inland Sea. Celebrated for its scenic landscapes and well-crafted cycling routes, it provides a harmonious blend of nature and infrastructure. Whether you are an avid enthusiast or a casual rider, the Shimanami Kaido offers an unforgettable journey through the breathtaking beauty of the Seto Inland Sea.

Illustrated map of the Shimanami Kaido cycling route from Onomichi to Imabari across the islands of the Seto Inland Sea, marking the Tea House on Omishima with photographs of Oyamazumi Shrine, the Toyo Ito Museum of Architecture, the Tatara Bridge and the Amazaki Castle Ruins
Toyo Ito Museum of Architecture

Toyo Ito Museum of Architecture

A striking building overlooking the Seto Inland Sea, designed by acclaimed architect Toyo Ito. Worth the visit for the architecture and the view alone.

Tatara Bridge

Tatara Bridge

One of the longest cable-stayed bridges in the world, arching across the sea between Ōmishima and Ikuchijima. A true highlight of the Shimanami Kaidō, by bike or by car.