Dark-sky places in Romania
Of 13 dark-sky places and national parks in Romania, National Park Munții Măcinului has the most clear, moonless hours of full darkness: 496 a year (ERA5, 2006–2025). The darkest sky is at Rodna National Park, darker than 83% of Europe’s land (NASA VIIRS 2025).
| Place | Best month | Clear moonless dark hours a year | Darker than… |
|---|---|---|---|
| National Park Munții Măcinului national park | August | 496 | 63% |
| Semenic-Cheile Carașului National Park national park | August | 376 | 79% |
| Cheile Nerei-Beușnița National Park national park | August | 376 | 77% |
| Buila-Vânturarița National Park national park | October | 370 | 66% |
| Domogled-Valea Cernei National Park national park | August | 359 | 82% |
| Retezat National Park national park | August | 359 | 82% |
| Cozia National Park national park | October | 349 | 66% |
| Piatra Craiului National Park national park | October | 342 | 64% |
| Ceahlău National Park national park | October | 340 | 69% |
| Defileul Jiului National Park national park | October | 334 | 65% |
| Cheile Bicazului-Hășmaș National Park national park | October | 314 | 72% |
| Călimani National Park national park | October | 285 | 80% |
| Rodna National Park national park | October | 246 | 83% |
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.