Dark-sky places in Spain
Of 19 dark-sky places and national parks in Spain, Garajonay National Park (of those darker than half of Europe’s land) has the most clear, moonless hours of full darkness: 1,006 a year (ERA5, 2006–2025). The darkest sky is at Ordesa y Monte Perdido National Park, darker than 85% of Europe’s land (NASA VIIRS 2025).
| Place | Best month | Clear moonless dark hours a year | Darker than… |
|---|---|---|---|
| Garajonay National Park national park | August | 1,006 | 60% |
| Doñana National Park national park | August | 848 | 45% |
| Monfragüe National Park national park | August | 778 | 74% |
| Teide National Park national park | August | 771 | 47% |
| Cabañeros National Park national park | August | 747 | 81% |
| Sierra Nevada National and Natural Park national park | August | 738 | 57% |
| Sierra de las Nieves National Park national park | August | 732 | 41% |
| Tablas de Daimiel National Park national park | August | 727 | 57% |
| Caldera de Taburiente National Park national park | August | 708 | 83% |
| Cabrera National Park national park | August | 677 | 78% |
| Parc Astronòmic Montsec dark-sky park | December | 634 | 67% |
| Timanfaya National Park national park | December | 553 | 62% |
| Guadarrama National Park national park | August | 520 | 43% |
| Albanyà International Dark Sky Park | December | 498 | 54% |
| Cíes Islands national park | August | 488 | 21% |
| Atlantic Islands of Galicia National Park national park | August | 461 | 41% |
| Aigüestortes i Estany de Sant Maurici National Park national park | December | 312 | 80% |
| Ordesa y Monte Perdido National Park national park | December | 305 | 85% |
| Picos de Europa National Park national park | December | 268 | 76% |
Climate, not a forecast: these are shares of past nights (ERA5 reanalysis, 2006–2025), not a prediction for a particular night. Check a forecast before you go.