Del Rio.

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

Bortle Scale
1
Best Regional Reading
Sky Quality
21.96
SQM Zenith Value
Verified Sites
5
Community Vetted
Dark Sky Parks
2
IDA Certified Nearby

Quick Guide for Del Rio

  • Top Community Pick: Devil’s River State Natural Area (TPWD) (~1.5 miles)
  • Best Scientific Reading: Bortle 1 at Gas Pad
  • Local Experts: Mason Star Gazers
  • Verified Observations: 5 distinct spots

If you’re looking to escape the light pollution of Del Rio, you’re in luck. While enthusiasts often gather at Devil’s River State Natural Area (TPWD) for its accessibility, scientific audits conducted by the National Park Service at Gas Pad provide the most accurate reading of the regional sky quality, measuring at a Bortle 1. The local landscape of Del Rio offers several pockets of darkness that are perfect for deep-sky observation.

The Best Times for Stargazing in Del Rio

For the best results in Del Rio, 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 Del Rio Observers

Before heading out to Devil’s River State Natural Area (TPWD), 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 this location. 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.

Active Viewing Spot Confidence: 80%

Devil's River State Natural Area (TPWD)

1.5 mi
Distance

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

Del Rio, TX 78840
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Active Viewing Spot Confidence: 72.5%

Bar X Ranch

4 mi
Distance

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

El Dorado, TX 76936
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Active Viewing Spot Confidence: 77.5%

Kickapoo Caverns State Park

28.2 mi
Distance

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

Brackettville, TX 78832
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Active Viewing Spot Confidence: 80%

Devil's Sinkhole State Park

60.1 mi
Distance

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

Rocksprings, TX 78880
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Active Viewing Spot Confidence: 80%

Garner State Park

70.1 mi
Distance

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

Concan, TX 78838
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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.

Gas Pad

Devils River State NA

21.96 SQM
Bortle Class 1

"Sky quality measurements were recorded at Gas Pad in Devils River State NA on 9/1/2018. The site demonstrated a scientific darkness reading of 21.96 SQM."

Observation Date
9/1/2018
Elevation
589m
Zenith Brightness
22

Campsite 14

Black Gap Wildlife Mgmt Area

21.73 SQM
Bortle Class 2

"Sky quality measurements were recorded at Campsite 14 in Black Gap Wildlife Mgmt Area on 3/2/2021. The site demonstrated a scientific darkness reading of 21.73 SQM."

Observation Date
3/2/2021
Elevation
6652m
Zenith Brightness
21.93

International Dark Sky Parks

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

IDA Certified Distance: 39.1 miles

Devils River State Natural Area — Del Norte Unit

Named for the whitewater Devils River that runs through it, the Devils River State Natural Area — Del Norte was once part of a large working ranch…

Category
International Dark Sky Sanctuary
Certified
2019
Land Area
80.3 km2
Coordinates
29.9352, -100.9336
IDA Certified Distance: 97.5 miles

South Llano River State Park

South Llano River State Park is situated on approximately 1,050 hectares (2,600 acres) of land on the Edwards Plateau just east of the eponymous South Llano…

Category
Dark Sky Park
Certified
2017
Land Area
10.5 km2
Coordinates
30.4261, -99.8002

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
#59

San Antonio Astronomical Association

San Antonio, TX