The garden opened in 1958. According to Kawata, as of 2004 it contained 29 reptile species (349 specimens) in its zoo. The garden also contains a tropical botanical garden and fruit garden heated by hot spring water, with a lotus greenhouse (giant lotus, etc), main greenhouse (hibiscus, orchid, etc.) and annex greenhouse (banana, papaya, pineapple, etc). Other plants include bougainvillea.