Japan's Third-Largest Stone Wall System
Tsuyama Castle is sometimes called 'the castle of stone walls' because the sheer volume of surviving ishigaki (stone masonry) is extraordinary for a site where every wooden structure is long gone. The walls — built in the nozurazumi (natural stone stacking) style — cover the entire hillside in tier after tier of carefully laid granite, creating an architecture of absence: the stone skeleton of a great castle, stripped of everything but its foundations. The total extent of surviving walls puts Tsuyama among Japan's most impressive stone wall complexes, behind only Osaka and Edo.