| operator | name | named after | heritage designation | image | date founded | Height (m) | city | administrative división | continent | Country | latitude (°) | longitude (°) | Website | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gekko Observatory |  | 1957 | 312 | Kannami | Shizuoka Prefecture | Asia | Japan | 35.1166648865 | 138.9833374023 | Website | Map | |||
| Kiso Observatory | 1974 | 1,130 | Agematsu, Nagano | Nagano Prefecture | Asia | Japan | 35.7833328247 | 137.6166687012 | Website | Map | ||||
| Observatorio de Hadano | 1995 | 154 | Hadano, Kanagawa | Kanagawa Prefecture | Asia | Japan | 35.6500015259 | 139.3500061035 | Website | Map | ||||
| JCPM Yakiimo Station | 1975 | 21 | Shizuoka (city) | Shizuoka Prefecture | Asia | Japan | 34.9666671753 | 138.4666595459 | Website | Map | ||||
| Usuda Star Dome | 29/11/1996 | 935 | Saku, Nagano | Nagano Prefecture | Asia | Japan | 36.1833343506 | 138.4166717529 | Website | Map |