Arikoyama Castle

 is a castle structure in Toyooka, Hyōgo Prefecture, Japan.
It was the original base of power for the Yamana clan. Yamana Toyosuke moved their home castle from Konosumiyama Castle in 1576 after his Konosumiyama Castle was defeated by Toyotomi Hideyoshi.
Current.
The castle is now only ruins, with some stone walls and moats. In 2017, the castle　was　listed as one of　the Continued Top 100 Japanese Castles.