Rio Rico.

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

Bortle Scale
4
Best Regional Reading
Sky Quality
21.36
SQM Zenith Value
Verified Sites
5
Community Vetted
Dark Sky Parks
2
IDA Certified Nearby

Quick Guide for Rio Rico

  • Top Community Pick: Tumacacori National Park (~6.3 miles)
  • Best Scientific Reading: Bortle 4.0 at Rincon Peak
  • Local Experts: Sonora Astronomical Society
  • Verified Observations: 5 distinct spots

Stargazing in Rio Rico is surprisingly rewarding if you know exactly where to set up your tripod. While enthusiasts often gather at Tumacacori National Park for its accessibility, scientific audits conducted by the National Park Service at Rincon Peak provide the most accurate reading of the regional sky quality, measuring at a Bortle 4.0. The local landscape of Rio Rico offers several pockets of darkness that are perfect for deep-sky observation.

The Best Times for Stargazing in Rio Rico

For the best results in Rio Rico, 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 Rio Rico Observers

When visiting Tumacacori National Park, remember to check if the gates close at sunset or if a night-use permit is required. For the best views here, try to observe targets when they are highest in the sky to minimize atmospheric interference. 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: 87.5%

Tumacacori National Park

6.3 mi
Distance

" 'NPS fees apply', 'Setup next to Monument', 'Report to the visitors center' "

Tumacacori, AZ NaN
Get Directions
Active Viewing Spot Confidence: 82.5%

Tubac Presidio State Historical Park

8.8 mi
Distance

" 'Scopes setup south of the visitor center', 'Enter through the park giftshop, directioins to telescopes will be given there.' "

Tubac, AZ 85646
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Premier Verified Hub Confidence: 100%

Patterson Observatory

44.1 mi
Distance

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

Sierra Vista, AZ 85635
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Premier Verified Hub Confidence: 100%

Saguaro National Park East

50.2 mi
Distance

" {'Go to visitors center for directions', 'Report to visitors center', 'Setup on Loop Road', 'At the Bicycle Ramada to the left of the Visitors Center' "

Tucson, AZ 85730
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Premier Verified Hub Confidence: 97.5%

Agua Caliente Park

50.2 mi
Distance

" {'Open to Public Reservations required', 'FREE but REGISTRATION IS REQUIRED. "

Tucson, AZ 85749
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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.

Rincon Peak

Saguaro NP

21.36 SQM
Bortle Class 4

"Hazy to east, otherwise clear, seeing good. Panoramic from mountain top, breezy. Tucscon dominates west, Phoenix also strong light dome to the west northwest. Sky fairly dark overhead, good detail in the Milky Way as it rises late as quite dark to the east."

Observation Date
4/3/2008
Elevation
2585m
Zenith Brightness
21.59

Mica View

Saguaro NP

20.07 SQM
Bortle Class 6

"Lights from Tucson obvios to the west, the glow extending well towards the zenith. M31 is a medium averted vision object (located in light dome). The sky is noticeably darker to the east. The winter milky way is faintly visible. City glow casts faint shadows at this spot. Some detail on the mountains can be seen. Some lights from nearby development. A very cold night for Tucson. Air traffic and headlights coming out of Reddington Pass may also be present in pictures."

Observation Date
1/14/2007
Elevation
853m
Zenith Brightness
20.27

International Dark Sky Parks

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

IDA Certified Distance: 6.3 miles

Tumacácori National Historical Park

Tumacácori National Historical Park is a 150-hectare site in the upper Santa Cruz River Valley in Santa Cruz County, Arizona, U.S. It preserves the ruins of…

Category
International Dark Sky Park
Certified
2018
Land Area
1.5 km2
Coordinates
31.5723, -111.0476
IDA Certified Distance: 8.8 miles

Tubac, Arizona

Tubac, Arizona, “where art and history meet,” is nestled in the Santa Cruz Valley in the high Sonoran Desert of southern Arizona. Light domes bloom at both ends…

Category
International Dark Sky Community
Certified
2024
Land Area
28.1 Sq. Km
Coordinates
31.6126, -111.0459

Local Astronomy Clubs

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

NASA Night Sky Club ID
#150

Sonora Astronomical Society

Green Valley, AZ

NASA Night Sky Club ID
#652

Reach For The Stars

Vail, AZ