The height of the Honmaru was 395 meters, had an area of 2,000 square meters, and there are remains of the foundation stone, closed conduit drainage, Tamemasu (set up on a drain to block sand or dirt going through) and the Ote stone stairs four meters wide left as the main structural remnants.
標高は395m、面積は約2000m²、主な遺構としては、礎石、暗渠排水、溜枡（ためます）、幅4mの大手石階段などがある。