Rexburg.

The definitive guide to dark skies and celestial observation in Rexburg, ID. Verified using National Park Service and NASA Night Sky Network Clubs data.

Bortle Scale
3
Best Regional Reading
Sky Quality
21.8
SQM Zenith Value
Verified Sites
0
Community Vetted
Dark Sky Parks
2
IDA Certified Nearby

Quick Guide for Rexburg

  • Top Community Pick: local vantage points (~N/A miles)
  • Best Scientific Reading: Bortle 3.0 at Cascade Mtn Turnoff
  • Local Experts: Idaho Falls Astronomical Society
  • Verified Observations: 0 distinct spots

Searching for a clear window into the cosmos near Rexburg, ID? While enthusiasts often gather at local vantage points for its accessibility, scientific audits conducted by the National Park Service at Cascade Mtn Turnoff provide the most accurate reading of the regional sky quality, measuring at a Bortle 3.0. The local landscape of Rexburg offers several pockets of darkness that are perfect for deep-sky observation.

The Best Times for Stargazing in Rexburg

For the best results in Rexburg, aim for a ‘New Moon’ window. In these dark-sky conditions, the absence of moonlight allows the Milky Way to cast visible shadows.

Expert Tips for Rexburg Observers

Before heading out to local vantage points, we recommend arriving during civil twilight to scout the terrain safely. A medium-aperture telescope is ideal for resolving the rings of Saturn and bright star clusters here. Local enthusiasts often frequent this spot, making it a great place to meet experienced observers. Regardless of your gear, allow 30 minutes for your eyes to fully dark-adapt.

Local Top Spots

Community-vetted locations known for clear horizons and accessibility for telescopes and astrophotography.

Scientific Audit

NPS Sky Measurements

Instrumented readings from the National Park Service Night Sky Program, providing the most accurate SQM and Bortle classifications.

Cascade Mtn Turnoff

Grand Teton NP

21.8 SQM
Bortle Class 3

"21.62. Milky Way overhead, bright for SQM reading. Airglow or aurora to the east northeast later in the evening, getting brighter through the night"

Observation Date
7/15/2010
Elevation
2103m
Zenith Brightness
21.67

Albright Pulloff

Grand Teton NP

21.71 SQM
Bortle Class 5

"No cars at this site, easier to dark adapt. SQM 21.7. Headlights reflecting off truck camper"

Observation Date
7/15/2010
Elevation
1988m
Zenith Brightness
22.06

International Dark Sky Parks

Premier locations certified for their exceptional dark sky quality and commitment to light pollution mitigation.

IDA Certified Distance: 54.7 miles

Jackson Hole Airport

Teton County, Wyoming, lies at the heart of the Greater Yellowstone Ecosystem, the largest intact ecosystem in the contiguous United States.

Category
Urban Night Sky Place
Certified
2025
Land Area
2.02 km
Coordinates
43.6088, -110.7380
IDA Certified Distance: 57.8 miles

Teton County

Teton County, Wyoming, lies at the heart of the Greater Yellowstone Ecosystem, the largest intact ecosystem in the contiguous United States.

Category
International Dark Sky Community
Certified
2025
Land Area
10,920 km
Coordinates
43.9139, -110.6380

Local Astronomy Clubs

Connect with experts and fellow enthusiasts through local astronomical societies and community groups.

NASA Night Sky Club ID
#220

Idaho Falls Astronomical Society

Idaho Falls, ID

NASA Night Sky Club ID
#209

Jackson Hole Astronomy Club

Jackson, WY