Castles in Yamanashi / Castles in Japan Iwadonoyama castle Otsuki-shi, Yamanashi.Location Related posts:Kiyosu castleJuno castleKubota castleKawagoe castleHiratsuka castleFukui CastleKasugayama castle ruinsIwatsuki castleMatsumae castleKanagasaki castleBicchu-matsuyama castleIchijodani castle ruins