Fredericksburg.

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

Bortle Scale
5
Best Regional Reading
Sky Quality
21.43
SQM Zenith Value
Verified Sites
5
Community Vetted
Dark Sky Parks
2
IDA Certified Nearby

Quick Guide for Fredericksburg

  • Top Community Pick: Pedernales Falls State Park (~37.0 miles)
  • Best Scientific Reading: Bortle 3 at LBJ Ranch Dales Trap
  • Local Experts: Mason Star Gazers
  • Verified Observations: 5 distinct spots

Stargazing in Fredericksburg is surprisingly rewarding if you know exactly where to set up your tripod. While enthusiasts often gather at Pedernales Falls State Park for its accessibility, scientific audits conducted by the National Park Service at LBJ Ranch Dales Trap provide the most accurate reading of the regional sky quality, measuring at a Bortle 3. The transition between the urban infrastructure of Fredericksburg and the more rural stretches of TX creates several ‘dark sky’ corridors.

The Best Times for Stargazing in Fredericksburg

For the best results in Fredericksburg, 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 Fredericksburg Observers

When visiting Pedernales Falls State Park, remember to check if the gates close at sunset or if a night-use permit is required. Binoculars are a favorite for regulars here 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.

Local Top Spots

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

Premier Verified Hub Confidence: 100%

Pedernales Falls State Park

37 mi
Distance

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

Johnson City, TX 78636
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Premier Verified Hub Confidence: 95%

Guadalupe River State Park

35.2 mi
Distance

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

Bergheim, TX 78004
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Active Viewing Spot Confidence: 77.5%

Enchanted Rock State Natural Area

0.7 mi
Distance

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

Fredericksburg, TX 78624
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Premier Verified Hub Confidence: 95%

Guadalupe River State Park

37.4 mi
Distance

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

Spring Branch, TX 78070
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Premier Verified Hub Confidence: 100%

Raymond Rimkus Park

55.4 mi
Distance

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

Leon Valley, TX 78238
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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.

LBJ Ranch Dales Trap

Lyndon Johnson NHP

21.31 SQM
Bortle Class 3

"Sky quality measurements were recorded at LBJ Ranch Dales Trap in Lyndon Johnson NHP on 4/1/2005. The site demonstrated a scientific darkness reading of 21.31 SQM."

Observation Date
4/1/2005
Elevation
460m
Zenith Brightness
21.71

LBJ Ranch airstrip

Lyndon B Johnson NHP

21.43 SQM
Bortle Class 5

"Stability Good, steady at 45. Transparency moderately low. Bortle - lit clouds, multiple domes, a few globulars visible, maybe 4-5."

Observation Date
4/21/2006
Elevation
460m
Zenith Brightness
21.7

International Dark Sky Parks

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

IDA Certified Distance: 0.7 miles

Fredericksburg, Texas

Fredericksburg is the seat of Gillespie County, in the U.S. State of Texas. As of the 2010 Census, the city had a population of 10,530. Founded in 1846 and…

Category
International Dark Sky Community
Certified
2020
Land Area
24.95 km2
Coordinates
30.2752, -98.8720
IDA Certified Distance: 15.0 miles

Lyndon B. Johnson National Historical Park

The LBJ Ranch District at Lyndon B. Johnson National Historical Park is located 60 miles northwest of San Antonio, Texas just off Texas State Highway 290 along…

Category
International Dark Sky ParkSilver Tier
Certified
2021
Land Area
6.4 km2
Coordinates
30.2508, -98.6241

Local Astronomy Clubs

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

NASA Night Sky Club ID
#596

Mason Star Gazers

Mason, TX

NASA Night Sky Club ID
#414

San Antonio League of Sidewalk Astronomers

San Antonio, TX