Dark-sky places in Slovakia
Of 11 dark-sky places and national parks in Slovakia, Muránska planina National Park has the most clear, moonless hours of full darkness: 305 a year (ERA5, 2006–2025). The darkest sky is at Poloniny National Park, darker than 88% of Europe’s land (NASA VIIRS 2025).
| Place | Best month | Clear moonless dark hours a year | Darker than… |
|---|---|---|---|
| Muránska planina National Park national park | March | 305 | 76% |
| Slovak Karst National Park national park | March | 299 | 73% |
| Slovak Paradise National Park national park | March | 292 | 73% |
| Velká Fatra Dark-Sky Park dark-sky park | March | 265 | 65% |
| Veľká Fatra National Park national park | March | 265 | 66% |
| Pieniny National Park national park | March | 261 | 55% |
| Poloniny National Park national park | September | 242 | 88% |
| Poloniny Dark-Sky Park dark-sky park | September | 242 | 88% |
| Low Tatras National Park national park | March | 239 | 74% |
| Tatra National Park national park | March | 236 | 64% |
| Malá Fatra National Park national park | March | 235 | 56% |
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.