Kanayama Castle Ruins
Kanayama Jo
A historic site featuring impressive stone walls and dry moats that preserve the spirit of the Sengoku period.
Kanayama Castle Ruins is a historic mountain castle located on Mt. Kanayama (239m) in the center of Ota City, Gunma Prefecture. Legend says it was built in 1469 by Iwamatsu Kagesumi of the Nitta clan.
What makes it special
About Kanayama Castle Ruins
- For History Lovers: A rare opportunity to see authentic medieval stone masonry and advanced fortification techniques up close.
- For Hikers: A wonderful course to experience nature and history simultaneously while climbing to the 239m summit.
- For Photographers: The combination of ancient ruins and seasonal natural beauty offers highly photogenic landscapes.
- For Students of History: Visiting the guidance facility at the base will provide much deeper context for the castle's structure.
Photo gallery
All photos
Weather forecast
Wed
9/16
21°/18°
100%
Thu
9/17
24°/18°
100%
Fri
9/18
24°/18°
41%
Sat
9/19
25°/19°
67%
Sun
9/20
25°/21°
75%
Mon
9/21
27°/20°
71%
Tue
9/22
28°/20°
41%
Tips
Payment
Cash only (for parking or local facilities)
English Support
Limited English availability at the site and facilities
Reservation
No reservation required
Clothing/Gear
Sturdy walking shoes (sneakers or hiking boots) are essential due to steep terrain
Photography
Landscape photography is permitted; please do not touch the ruins
Accessibility
Not suitable for wheelchairs due to many steps and steep slopes
Etiquette
Please protect the historical site and do not touch or remove any stones/artifacts
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