01 / Castle site
Murayama Ryohei took over the castle sitefrom the state and donated it to the town.

In 1928 (Showa 3), Ryohei Murayama, who was born in Tamaru, received nine cho and nine tan of state-owned land from the Imperial Forestry Bureau and donated it to Tamaru Town as Shiroyama Park. In 1871 (Meiji 4) the castle's buildings were dismantled and disposed of; stone walls, moats and some buildings remain today (the town).
- Donated 1928
- Nine cho and nine tan of state land
- Prefectural Historic Site

