Dark skies and stargazing
Overview: Borrego Springs became an International Dark Sky Community in 2009, the first in California and second in the world, and Anza-Borrego Desert State Park became a Dark Sky Park in 2018. Clear nights near new moon are best[1][2].
Why is Borrego Springs a dark sky place?
Borrego Springs was certified as an International Dark Sky Community in 2009. It was the first in California and the second in the world, after Flagstaff, Arizona[1][2]. Certification came after a local Dark Sky Coalition, formed in 2007, carried out a lighting survey, ran education programs, changed lighting and showed that local rules would keep light levels low; its 90-page application was approved in 2009[1]. DarkSky International, which runs the program, places the town about 88 miles northeast of San Diego[2].
Is the park certified too?
Yes. Anza-Borrego Desert State Park became an International Dark Sky Park in 2018. Nearby, Death Valley National Park was certified in 2013 and Joshua Tree National Park in 2017[1]. The local natural history association notes that Borrego’s skies are “not perfectly dark” but show what cannot be seen by “22 million people living along the urbanized coast of Southern California”.
How do I make the most of it?
- Check the moon phase. The week around new moon is darkest; a full moon washes out faint stars.
- Let your eyes adapt for 20 to 30 minutes and use only red light.
- Get away from lit buildings; porch lights and headlights cut what you can see.
- Use a star chart or app to find constellations, as the owners suggest[3].
- Dress for cold. Winter nights in Borrego are much cooler than the days.
Can I stargaze from the house?
The owners’ guest guide suggests it: “Bring a blanket or recline in one of the outdoor loungers for a night of unforgettable stargazing”[3]. The check-in page also mentions stargazing by the fire pit[4]. The golf course west of the house adds open space.
What can visitors do to help?
Follow responsible lighting: keep outdoor lights off when not needed, use shielded fixtures that point down, and avoid bright white light at night[1]. The coalition asks residents and visitors to keep to the standards of responsible lighting in the Borrego Valley.
How cold are stargazing nights?
Colder than many visitors expect. In this guide’s analysis of NOAA records for Borrego Desert Park, the mean low in December and January was about 45 to 46°F over 1996 to 2025, and about 47°F in February, while July nights averaged about 78°F[5]. Winter evenings fall quickly once the sun drops behind the mountains to the west, so bring layers, a hat and a blanket, even after a warm afternoon. Summer nights are warm enough for the pool and hot tub, but the heat of the day lingers. See climate data.
Visitor questions
Is Borrego Springs a Dark Sky Community?
Yes, since 2009; the first in California and the second in the world.
Is Anza-Borrego Desert State Park a Dark Sky Park?
Yes, since 2018.
When is the best time for stargazing?
Clear nights near the new moon, at any time of year.
Footnotes
- ^ a b c d e Dark Sky. Anza-Borrego Desert Natural History Association. Viewed 9 November 2026.
- ^ a b c Borrego Springs (International Dark Sky Community). DarkSky International. Viewed 9 November 2026.
- ^ a b House Rules and Local Recommendations for Guests. Divine Desert Destination (divinedesertdestination.com). Viewed 9 November 2026.
- ^ Check-In and Check-Out Instructions for Your Stay. Divine Desert Destination (divinedesertdestination.com). Viewed 9 November 2026.
- ^ Global Historical Climatology Network daily (GHCNd), station USC00040983, Borrego Desert Park, California. NOAA National Centers for Environmental Information. Viewed 9 November 2026.