| operator | name | named after | heritage designation | image | date founded | Height (m) | city | administrative división | continent | Country | latitude (°) | longitude (°) | Website | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| La Cañada Observatory |  | 2002 | 1,400 | Ávila, Spain | Castile and León | Europe | Spain | 40.6039161682 | -4.4931502342 | Website | Map | |||
| Real Instituto y Observatorio de la Armada |  | 1753 | 30 | San Fernando, Cádiz | Andalusia | Europe | Spain | 36.4500007629 | -6.1999998093 | Website | Map | |||
| Instituto de Astrofísica de Canarias | Roque de los Muchachos Observatory |  | 1985 | 2,396 | El Paso, La Palma | Canary Islands | Europe | Spain | 28.7500000000 | -17.8833332062 | Website | Map | ||
| Sierra Nevada Observatory |  | 1981 | 2,896 | Granada | Andalusia | Europe | Spain | 37.0499992371 | -3.3833334446 | Website | Map | |||
| Instituto de Astrofísica de Canarias | Teide Observatory |  | 1964 | 2,390 | Güímar | Canary Islands | Europe | Spain | 28.2999992371 | -16.5000000000 | Website | Map |