There is an open hearth remaining in existence on the first floor, and other features, such as the kara-style gables and trellis windows on the top floor, give an air of dignity to the design of the exterior of the castle tower.
天守1階に囲炉裏が現存し、外観は、唐破風出窓や最上階の出格子の窓などにより重厚な意匠を醸し出している。