Farmer'sCafe Terrase KOTONOKAを調べていたら
こんな所に赤池城があったんだ

https://www.google.com/maps/place/%E8%B5%A4%E6%B1%A0%E5%9F%8E%E8%B7%A1/@35.1274623,137.0069167,16.75z/data=!4m14!1m7!3m6!1s0x600365e93d80a811:0x3d777dc1f9d82ebf!2sFarmer's+Cafe+Terrace+KOTONOKA!8m2!3d35.1305002!4d137.0049479!16s%2Fg%2F11jt718791!3m5!1s0x60036513a54e7b27:0x9600281b178bff5c!8m2!3d35.1296539!4d137.0100005!16s%2Fg%2F11fkr38z6v?entry=ttu