El Dorado Hills
Stargazing Guide.

Uncover the hidden celestial treasures of El Dorado Hills, CA. From the verified horizons at Community Observatory to the scientific Bortle Class 5 reports at State Line Lookout, your journey to the stars starts here.

Scientific NPS Bortle Regional Benchmarking
5
~67.8mi at State Line Lookout
Scientific NPS SQM Instrumented Reading
21.03
Regional Atmospheric Base
Verified Spots Community Vetted
5
~10.4mi to Community Observatory
Dark Sky Oasis Certified IDA Park
221.1mi
IDA: Massacre Rim Wilderness Study Area

Stargazing Logistics for El Dorado Hills

  • STEP 1. Primary Staging Area: Community Observatory. This is your most reliable community-vetted hub within a ~10.4 mile radius.
  • STEP 2. Sky Quality Baseline: Classified as Class C (Suburban). Use the instrumented 5 rating from State Line Lookout as your technical benchmark for the region.
  • STEP 3. Local Support: Contact Community Observatory for updated site access and group observation schedules.
  • STEP 4. Observation Density: There are 5 recognized sites near El Dorado Hills offering varied horizons and atmospheric stability levels.
Local Observation Strategy

El Dorado Hills acts as a primary gateway to the Community Observatory zone. This proximity allows for scientific-grade viewing (Class 5) at State Line Lookout just a short 15-minute drive from the city center, making it a rare 'Hub' for serious observers.

The Best Times for Stargazing in El Dorado Hills

While Winter offers the most consistent clear nights for El Dorado Hills, wait for the 4-day window surrounding the New Moon each month for the deepest contrast. Since the sun sets early in the late Winter months, you can often begin deep-sky imaging as early as 7 PM.

Expert Tips for El Dorado Hills Observers

When observing from Community Observatory, try to position yourself facing away from the nearest major light dome. For El Dorado Hills residents, this usually means looking toward the rural horizons of CA to capture the lowest magnitude stars that are normally invisible from the city center. Scientific Context: While local conditions vary, the instrumented reading of Bortle 5 at State Line Lookout (67.8 miles away) remains the benchmark for regional sky quality.

Regional Perspective: El Dorado Hills is situated just 11 miles from Fair Oaks, but its local horizon often provides a more stable viewing experience for planetary targets.
Community Vetted
Methodology Verified

Best Spots for Stargazing in El Dorado Hills

The most accessible and reliable viewing locations in the region, ranked by local observer feedback. Pro Tip: Always bring a red-light flashlight to these El Dorado Hills spots to preserve your night vision.

Premier Verified Hub Confidence: 100%

Community Observatory

10.4 mi
Distance

" Practically in El Dorado Hills's backyard, we recommend this for spontaneous nights. Night Vision Tip: Red light is the only color that won't break your dark adaptation. Invest in a red headlamp for hands-free navigation. "

Placerville, CA 95667
Get Directions
Active Viewing Spot Confidence: 80%

Folsom Powerhouse State Historic Park

6.7 mi
Distance

" A short hop from El Dorado Hills, this spot is a top-tier local choice. Scientific Fact: Around 3 AM, the atmosphere is usually most stable, offering the 'steadiest seeing' for high-magnification planetary views. "

folsom, CA
Get Directions
Premier Verified Hub Confidence: 100%

Mount Diablo - Lower Summit Parking Lot

69.9 mi
Distance

" While it's a bit of a journey from El Dorado Hills, the sky quality here is worth the fuel. Participate in hands-on astronomy activities followed by supervised observing through the many different telescopes of MDAS members. Bring snacks, water, binoculars, and warm clothes. "

Clayton, CA 94517
Get Directions
Active Viewing Spot Confidence: 70%

Museum of Science and Curiosity (MOSAC)

24.9 mi
Distance

" A manageable drive from El Dorado Hills, this spot is a reliable regional favorite. Comfort Tip: The ground cools faster than the air. Bring a reclining chair to keep your neck strain-free during marathon observation sessions. "

Sacramento, CA 95811
Get Directions
Community Gathering Point Confidence: 60%

Aerospace Museum of California

18.5 mi
Distance

" A manageable drive from El Dorado Hills, this spot is a reliable regional favorite. Atmospheric Tip: Scintillation (star twinkling) is a sign of high-altitude turbulence. If stars are twinkling heavily, stick to low-magnification wide views. "

McClellan Park, CA 95652
Get Directions
Celestial Alert
Real-Time Tracking

2026 Celestial Roadmap for El Dorado Hills

Urban viewing is best for high-contrast targets. Head to Community Observatory to escape local glare.

Swipe
Instrumented Data

Sky Quality Reports for El Dorado Hills

Access high-precision SQM readings from the National Park Service, providing the definitive baseline for regional darkness quality. Discover which telescopes can best cut through the remaining regional skyglow to see these scientific targets by viewing our gear recommendations.

State Line Lookout

Lake Tahoe Basin

67.8 mi
Distance
21.03 SQM
Bortle Class 5

Local Relevance

The scientific findings at State Line Lookout provide El Dorado Hills residents with the most reliable data on regional atmospheric stability.

"A tree blocks much of the northern sky, and some of the light dome of Reno, but otherwise pretty good location. Seeing very good, transparency very good. Glare from nearby lights severe, especially to the west toward Tahoe City. Glare severely affects night vision, but by shielding eyes reasonbly dark skies near the zenith can be seen. Fairly good detail in the MIlky Way near zenith, washed out near the southern horizon."

Observation Date
8/17/2006
Elevation
2144m
Zenith Brightness
21.08

Panorama Hwy

Golden Gate NRA

98.0 mi
Distance
19.62 SQM
Bortle Class 6

Local Relevance

El Dorado Hills enthusiasts typically use the instrumented readings from Panorama Hwy to calibrate their deep-sky expectations for the area.

"slight low haze toward SF, otherwise clear"

Observation Date
5/22/2008
Elevation
260m
Zenith Brightness
19.92
Certified Destinations

Dark Sky Oasis near El Dorado Hills

Elite viewing locations officially recognized by DarkSky International for their pristine celestial environments. Experience the full, pristine depth of these IDA certified skies with the precision stargazing gear we recommend for El Dorado Hills residents.

International Dark Sky Sanctuary Certified

Massacre Rim Wilderness Study Area

The protected skies at Massacre Rim Wilderness Study Area represent a vital astronomical asset for the El Dorado Hills observing community.

Washoe County Nevada, USA

Scale
409.9 km2
Coordinates
41.7008, -119.6842
International Dark Sky Sanctuary Certified

Oregon Outback

El Dorado Hills stargazers often look to Oregon Outback as the gold standard for regional darkness and pristine celestial horizons.

Lake County Chamber of Commerce 126 North E Street, Lakeview, OR 97630

Scale
10,074.21 Sq. Km
Coordinates
42.4480, -120.2809
Community Hubs

Astronomy Clubs for El Dorado Hills

Join the local community of observers for group viewing events, equipment swaps, and technical workshops. Local astronomy clubs are great for testing gear; see what we suggest for El Dorado Hills residents to bring to your first meet-up.

NASA Club ID
#358
10.4 mi
Distance

Community Observatory

Placerville, CA

NASA Club ID
#170
24.5 mi
Distance

Sacramento Valley Astronomical Society

Sacramento, CA

The Celestial Photographer's Staging Advice

Gearing Up for El Dorado Hills Nights

"For the manageable 20-mile commute from El Dorado Hills, we recommend a "split-tube" or collapsible Dobsonian. It gives you the power of a large light bucket while still fitting comfortably in most standard El Dorado Hills commuter vehicles."

The El Dorado Hills Field Kit

Every observer in El Dorado Hills eventually builds a "go-bag" tailored to our specific regional humidity and site accessibility. The difference between the El Dorado Hills city center and the instrumented readings at sites 10 miles away is staggering, requiring optics that can handle both glare and deep contrast. Consider these categories as a roadmap for moving from casual backyard viewing to professional-grade observation near El Dorado Hills.

Level 1: EssentialsLevel 2: OpticsLevel 3: Power