At present, as structural remnants, the earth mounds which are 1.6 kilometers long at the west foot of Mt. Takasu, and the traces of eight watchtowers in total on the ridge line have remained, but there are a lot of unknown points such as how the inside of the castle was utilized, and when the castle was abandoned.
現在遺構としては、高祖山の西裾に1.6キロメートルの土塁、尾根線上に計8か所の望楼跡が残るものの、城内はどのように利用されたか、いつごろ廃城となったか等不明な点が多い。