Fairmount.

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

Bortle Scale
5
Best Regional Reading
Sky Quality
20.85
SQM Zenith Value
Verified Sites
5
Community Vetted
Dark Sky Parks
2
IDA Certified Nearby

Quick Guide for Fairmount

  • Top Community Pick: Horsetooth Mtn Open Space (~55.1 miles)
  • Best Scientific Reading: Bortle 5.0 at Bobcat Ridge
  • Local Experts: JUC Astronomy Club
  • Verified Observations: 5 distinct spots

If you’re looking to escape the light pollution of Fairmount, you’re in luck. While enthusiasts often gather at Horsetooth Mtn Open Space for its accessibility, scientific audits conducted by the National Park Service at Bobcat Ridge provide the most accurate reading of the regional sky quality, measuring at a Bortle 5.0. Atmospheric stability in the Fairmount region is often influenced by local topography, which can help settle the air for high-magnification viewing.

The Best Times for Stargazing in Fairmount

Since Fairmount sits in a transitional light zone, viewing is best during the New Moon or after midnight when some commercial lighting is reduced.

Expert Tips for Fairmount Observers

Before heading out to Horsetooth Mtn Open Space, 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 at this spot. 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.

Premier Verified Hub Confidence: 100%

Horsetooth Mtn Open Space

55.1 mi
Distance

" 'Dress for temperatures ~20F colder than forecast low for the night. If you need a flashlight, please cover it with red cellophane.' "

Fort Collins, CO 80526
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Active Viewing Spot Confidence: 77.5%

Chamberlin Observatory

14.1 mi
Distance

" Standard Advice: Dress in layers as temperatures drop quickly after sunset. Use a red-light flashlight to preserve your night vision. "

Denver, CO 80210
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Premier Verified Hub Confidence: 87.5%

Lvld Prairie Ridge

42.1 mi
Distance

" Standard Advice: Dress in layers as temperatures drop quickly after sunset. Use a red-light flashlight to preserve your night vision. "

Loveland, CO NaN
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Premier Verified Hub Confidence: 95%

Mueller State Park

58.8 mi
Distance

" Standard Advice: Dress in layers as temperatures drop quickly after sunset. Use a red-light flashlight to preserve your night vision. "

Divide, CO 80814
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Premier Verified Hub Confidence: 90%

Fossil Creek Reservoir

49.1 mi
Distance

" 'Dress for temperatures ~20F colder than forecast low for the night. If you need a flashlight, please cover it with red cellophane.' "

Fort Collins, CO NaN
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Scientific Audit

NPS Sky Measurements

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

Bobcat Ridge

Fort Collins Natural Area

20.85 SQM
Bortle Class 5

"Bobcat Ridge is a relativly dark site close to very bright population centers. One or two small clouds to the north, moving southeast. Transparency was good, seeing fair. Fort Collins light dome was bright and dominated the east horizon, while Loveland was easily visible to the southeast. Milky Way was visible as a complete arc,above the light domes, but fine detials were washed out. SQM 20.86"

Observation Date
7/8/2013
Elevation
1672m
Zenith Brightness
21.2

Coyote Ridge

Fort Collins Natural Area

19.88 SQM
Bortle Class 6

"Resolution Testing. 3 data sets collected in order to determine vertical and horizontal illuminance"

Observation Date
12/15/2014
Elevation
1568m
Zenith Brightness
20.09

International Dark Sky Parks

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

IDA Certified Distance: 50.9 miles

Town of Breckenridge, Colorado

The Town of Breckenridge sits at 9,603 feet above sea level in Colorado’s Rocky Mountains, just west of the Continental Divide…

Category
International Dark Sky Community
Certified
2025
Land Area
15.66 km²
Coordinates
39.4983, -106.0482
IDA Certified Distance: 61.1 miles

Florissant Fossil Beds National Monument

Florissant Fossil Beds National Monument is a 2,427-hectare IUCN Category V (International Union for Conservation of Nature) area in Colorado, U.S.

Category
International Dark Sky Park
Certified
2021
Land Area
26 km2
Coordinates
38.9124, -105.2814

Local Astronomy Clubs

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

NASA Night Sky Club ID
#418

JUC Astronomy Club

Golden, CO

NASA Night Sky Club ID
#52

Darien O'Brien Astronomy Club

Lakewood, CO