Table 1. Site summery

Name Location Area Open year Visitor p.a. Visit date
Takino Suzuran Hillside Park Sapporo, Hokkaido 395.7ha 1983. 07. 630,000 2023. 08
Showa Kinen Park Akishima, Tokyo 165.3ha 1983. 10. 3,680,000 2023. 042023. 09
Echigo Hillside Park Nigaoka, Niigata 400.0ha 1998. 07. 500,000 2023. 10
Akashi Kaikyo Park Awaji Island, Hyogo 330.0ha 2002. 03. 900,000 2023. 05