Spearfish.
The definitive guide to dark skies and celestial observation in Spearfish, SD. Verified using National Park Service and NASA Night Sky Network Clubs data.
Quick Guide for Spearfish
- Top Community Pick: local vantage points (~N/A miles)
- Best Scientific Reading: Bortle 3.0 at Joyner Ridge Parking
- Local Experts: Cheyenne Astronomical Society
- Verified Observations: 0 distinct spots
Stargazing in Spearfish 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 Joyner Ridge Parking provide the most accurate reading of the regional sky quality, measuring at a Bortle 3.0. Atmospheric stability in the Spearfish region is often influenced by local topography, which can help settle the air for high-magnification viewing.
The Best Times for Stargazing in Spearfish
For the best results in Spearfish, 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 Spearfish Observers
Before heading out to local vantage points, we recommend arriving during civil twilight to scout the terrain safely. Binoculars are a favorite for regulars at this spot for sweeping views of the Moon’s craters and larger constellations. 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.
South Dakota Guide
Local Top Spots
Community-vetted locations known for clear horizons and accessibility for telescopes and astrophotography.
NPS Sky Measurements
Instrumented readings from the National Park Service Night Sky Program, providing the most accurate SQM and Bortle classifications.
Joyner Ridge Parking
Devils Tower NM
"Set up about 100 yds SE of Joyner Ridge parking along loop trail. Many people at the parking area and other sites doing astrophotography and enjoying the night sky. Mostly clear skies with good detail in the Milky Way, which was visible to the natural horizons in the north and blended in to the light dome of Gillette to the SW. Andromeda Galaxy easily visible with the naked eye. Some low clouds along the horizon somewhat capping the light domes of Gillette and Spearfish/Rapid City. SQM reading of 21.74"
West Road
Devils Tower NM
"Sky quality measurements were recorded at West Road in Devils Tower NM on 9/6/2005. The site demonstrated a scientific darkness reading of 21.96 SQM."
International Dark Sky Parks
Premier locations certified for their exceptional dark sky quality and commitment to light pollution mitigation.
Medicine Rocks State Park
Medicine Rocks State Park is full of history, culture, unique topography, and wonderfully dark skies. The park is also a haven for wildlife. They host dark sky…
Merritt Reservoir State Recreation Area
Merritt Reservoir State Recreation Area (SRA) is situated in the north-central portion of the state of Nebraska, United States – a region known for its vast…
Local Astronomy Clubs
Connect with experts and fellow enthusiasts through local astronomical societies and community groups.