[1] An opening inauguration ceremony was held on January 8, 2016, in Yamashita Town, Naha.

[2] The 900 m2 (9,687.52 sq ft) park was created through private land purchases by the city which cost an estimated 100 million yen.

[2] During the opening inauguration ceremony, Naha City Assembly member Toru Kinjo stated that it was rare for ruins to become a park.

[2] The oldest fragmentary human remains in Okinawa Prefecture were discovered to be the Yamashita Cave Man found inside Naha City Yamashita Cave 1.

There are also restrooms on site for men, women, and people with disabilities.