Stargazing in Spain

Andalusia

Doñana National Park: Bortle 4
Sierra Nevada National and Natural Park: Bortle 4
Sierra de las Nieves National Park: Bortle 5

Aragon

Ordesa y Monte Perdido National Park: Bortle 3

Asturias

Picos de Europa National Park: Bortle 4

Balearic Islands

Cabrera National Park: Bortle 4

Canary Islands

Caldera de Taburiente National Park: Bortle 2
Garajonay National Park: Bortle 3
Teide National Park: Bortle 4
Timanfaya National Park: Bortle 4

Castilla–La Mancha

Cabañeros National Park: Bortle 4
Tablas de Daimiel National Park: Bortle 4

Catalonia

Aigüestortes i Estany de Sant Maurici National Park: Bortle 4
Albanyà: Bortle 4
Parc Astronòmic Montsec: Bortle 4

Extremadura

Monfragüe National Park: Bortle 4

Galicia

Atlantic Islands of Galicia National Park: Bortle 5
Cíes Islands: Bortle 5

Madrid

Guadarrama National Park: Bortle 5