Rock Springs.

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

Bortle Scale
3
Best Regional Reading
Sky Quality
21.72
SQM Zenith Value
Verified Sites
0
Community Vetted
Dark Sky Parks
2
IDA Certified Nearby

Quick Guide for Rock Springs

  • Top Community Pick: local vantage points (~N/A miles)
  • Best Scientific Reading: Bortle 3.0 at Harpers Corner Road
  • Local Experts: Star Valley Astronomy Club
  • Verified Observations: 0 distinct spots

Stargazing in Rock Springs is surprisingly rewarding if you know exactly where to set up your tripod. While enthusiasts often gather at local vantage points for its accessibility, scientific audits conducted by the National Park Service at Harpers Corner Road provide the most accurate reading of the regional sky quality, measuring at a Bortle 3.0. The transition between the urban infrastructure of Rock Springs and the more rural stretches of WY creates several ‘dark sky’ corridors.

The Best Times for Stargazing in Rock Springs

For the best results in Rock Springs, 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 Rock Springs 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 the site. 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.

Harpers Corner Road

Dinosaur NM

21.51 SQM
Bortle Class 3

"Clearing clouds through the evening. One bank of clouds to the north was persistant. Smoke visible to the east from Colorado front range fires. Some local haze overhead and to the west. Transparency overall is fair. Seeing is good. Easily visible but some details such as prancing hose not well defined. Dust lanes and great rift are visible. Main lightdome of Thermal, UT is obvious, but not so bright as to hinder dark adaptation in other directions. SQM -21.43"

Observation Date
6/13/2012
Elevation
2373m
Zenith Brightness
21.79

Group site at Split Mountain

Dinosaur NM

21.72 SQM
Bortle Class 3

"Horizon blocked. Borlte 3 due to city lights beyond canyon wall."

Observation Date
7/17/2009
Elevation
1463m
Zenith Brightness
22.09

International Dark Sky Parks

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

IDA Certified Distance: 68.6 miles

Diamond Mountain Retreat Center

Located in the remote Chihuahuan high desert, Diamond Mountain Retreat Center offers secluded cottages surrounded by juniper, pine, and manzanita.

Category
Certified
Land Area
Coordinates
40.6027, -109.2468
IDA Certified Distance: 76.0 miles

Steinaker State Park

Steinaker State Park is located 11 km (7 miles) north of the city of Vernal in Uintah County, Utah, U.S. Named for area ranching pioneer John Steinaker…

Category
Dark Sky Park
Certified
2018
Land Area
7.08 km2
Coordinates
40.5196, -109.5314

Local Astronomy Clubs

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

NASA Night Sky Club ID
#564

Star Valley Astronomy Club

Thayne, WY

NASA Night Sky Club ID
#603

Cache Valley Astronomical Society

Logan, UT