この道後公園は南北朝時代1334年から安土桃山時代1585年にかけて約250の間伊予の国の守護であった河野氏の湯築城跡です。

Dogo park is a historic site of the Yuzuki Castle ruins.
The Kohno clan who governed the land of Iyo as its protector  lived here for as long as 250 years from the early 14th century (Nanboku-cho Age : the period of the Southern and Northern courts) to the late 16th  century (Azuchi-Momoyama period).