Today’s photo is from Okazaki Castle, the birthplace of Matsudaira Motoyasu, better known as Tokugawa Ieyasu, the man who united Japan in 1603 after years of civil war. This is half of the moat that stretched around most of the main keep area.
The entire castle grounds are covered with trees and vegetation, making it sure seem like something of a forest castle. I don’t know if it was this way originally (this guy might know). Because of the tree cover, even in summer this entire area is cool and pleasant.
This moat is very impressive. Only a small portion of it is still filled with water; this allows you to see the details of the walls and everything inside, which is very cool.