Arikoyama Castle
| Arikoyama Castle (有子山城, Arikoyama-jō) was a Sengoku period Japanese castle located in the Izushi neighborhood of the city of Toyooka, Hyōgo Prefecture, Japan. Its ruins, along with the ruins of nearby Konosumiyama Castle have been protected as a National Historic Site since 1934 under the designation "Yamana clan castle ruins"[1] | ||||||
| Type： Mountaintop-style castle | ||||||
| Built： 1574 | ||||||
| Builder： Yamana Toyosuke | ||||||
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