YozoraAtlas

How dark is the sky in Saskatchewan?

Sky darkness for 11 towns and parks in Saskatchewan, worked out from NASA satellite images of light at night (2025). 9 of them have skies of Bortle 4 or darker, where the Milky Way shows overhead. The darkest is Athabasca Sand Dunes Provincial Park (21.95, Bortle 2), the brightest Regina (17.74, 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 Saskatchewan with every place marked

Darkest skies in Saskatchewan

  1. Athabasca Sand Dunes Provincial ParkBortle 221.95
  2. Grasslands National ParkBortle 221.92
  3. Lac La Ronge Provincial ParkBortle 221.92
  4. Prince Albert National ParkBortle 221.91
  5. Meadow Lake Provincial ParkBortle 221.90

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 Saskatchewan

  1. ReginaBortle 817.74
  2. SaskatoonBortle 817.75

All 11 places in Saskatchewan

Amber names are parks and certified dark-sky places. The figure is the Bortle class: 1 darkest, 9 city center.
Athabasca Sand Dunes Provincial Park2Cannington Manor Provincial Park4Cypress Hills Interprovincial Park3Fort Carlton3Fort Pitt Provincial Park4Grasslands National Park2Lac La Ronge Provincial Park2Meadow Lake Provincial Park2Prince Albert National Park2Regina8Saskatoon8