YozoraAtlas

How dark is the sky in Newfoundland and Labrador?

Sky darkness for 8 towns and parks in Newfoundland and Labrador, worked out from NASA satellite images of light at night (2025). 7 of them have skies of Bortle 4 or darker, where the Milky Way shows overhead. The darkest is the Mealy Mountains (21.93, Bortle 2), the brightest St. John's (18.29, Bortle 8).

19 Bortle class, 1 pristine to 9 city center park or dark-sky place city

Numbers like 21.95 or 16.97 are the brightness of the sky overhead on a clear, moonless night, in mag/arcsec². The scale runs backwards: a lower number means a brighter sky, from about 22 for a natural sky to about 17 in a city center.
How the readings are made

NASA satellite night-lights map of Newfoundland and Labrador with every place marked

Darkest skies in Newfoundland and Labrador

  1. the Mealy MountainsBortle 221.93
  2. The Arches Provincial ParkBortle 221.93
  3. Gros Morne National ParkBortle 221.90
  4. Terra Nova National ParkBortle 321.83
  5. Blow Me Down Provincial ParkBortle 421.60

Among the places on this site. Plenty of land between them is just as dark, with no town or park to name it by.

Brightest city skies in Newfoundland and Labrador

  1. St. John'sBortle 818.29

All 8 places in Newfoundland and Labrador

Amber names are parks and certified dark-sky places. The figure is the Bortle class: 1 darkest, 9 city center.
Blow Me Down Provincial Park4Butter Pot Provincial Park4Dungeon Provincial Park4Gros Morne National Park2St. John's8Terra Nova National Park3The Arches Provincial Park2the Mealy Mountains2