Castles & Historic SitesNatural Scenery
Geiyo Yosai Kojima
Explore the remnants of a coastal fortress on Kojima Island, surrounded by the stunning seas of the Shimanami Kaido.Explore this spot
Guide7 min read
Geiyo Yosai Kojima is a site of a former military installation located on Kojima Island in Imari City, Ehime Prefecture. It was originally constructed during the Russo-Japanese War to prepare for potential naval attacks.
What makes it special
Historical RuinsSeto Inland Sea SceneryMilitary HistoryCultural HeritageShimanami Kaido
About Geiyo Yosai Kojima
- Historical Exploration: Walk through authentic artillery sites and red-brick underground bunkers to feel the weight of history.
- Photogenic Landscapes: Capture the unique scenery where military ruins meet the tranquil, beautiful waters of the Seto Inland Sea.
- Drama Replica Viewing: Don't miss the full-scale replica near Kojima Port, related to the famous NHK drama "Saka no Ue no Kumo."
- Quiet Discovery: Enjoy a peaceful atmosphere away from crowds, perfect for deep observation of historical remnants.
Photo gallery
All photos
Weather forecast
Mon
8/3
29°/27°
57%
Tue
8/4
29°/26°
39%
Wed
8/5
29°/26°
41%
Thu
8/6
33°/27°
10%
Fri
8/7
33°/27°
29%
Sat
8/8
32°/25°
34%
Sun
8/9
31°/25°
33%
Tips
Payment
Cash (recommended for local transport/small needs)
Language
English support is limited (signage may be minimal)
Reservation
No reservation required
Clothing
Wear comfortable walking shoes for uneven terrain
Photography
Allowed (please respect the historical sites)
Accessibility
Be aware of uneven paths and steps near the ruins
Etiquette
Please do not touch or damage the historical structures