View of Matsuyama from on top of Katsuyama Castle Hill. There is a popular burger in Japan called MOS Burger. MOS stands for Mountain, Ocean and Sea.
Tsutsui Gate. It is the second gate to enter the castle grounds and is considered one of the first lines of defense. There is a "hidden" gate that castle defenders can exit and encounter the enemy outside Tsutsui gate.
Inside Tsutsui gate.