Astrotourism in California: Death Valley and Joshua Tree After Dark

Key facts

Death Valley: International Dark Sky Park since 2013, the third and largest designated in the US park system
Joshua Tree: International Dark Sky Park since 2017, the 10th designated in the US park system
Anza-Borrego: California's first Dark Sky Park (2018); Borrego Springs a Dark Sky Community since 2009
Death Valley low point: Badwater Basin, 282 ft (86 m) below sea level, the lowest place in North America
Death Valley heat record: 134 °F (57 °C) at Furnace Creek, July 10, 1913, the hottest air temperature on Earth
Joshua Tree stargazing: Four designated areas at Quail Springs, Hidden Valley, Cap Rock and Ryan Mountain lots
Darkest corner: Cottonwood Campground in Joshua Tree; Pinto Basin Road pulls out to the least traffic
Best nights: The week around each new moon, March to October for the Milky Way core
California tribes: 109 federally recognized tribes, the most of any state, and the largest Native American population in the US

California does not make astrotourism easy to find. The Los Angeles basin throws a glow you can see from a hundred miles, and the state's best night skies sit behind a wall of traffic and heat. But they are real. Death Valley keeps some of the darkest skies in the United States, and Joshua Tree puts a certified Dark Sky Park within a few hours of 22 million people.

I have shot both parks more times than I can count. The gap between what tourism copy promises and what the sky actually does is often wide. So here is the version I trust: what each park is certified for, where to stand, when to go, and how not to wreck your night vision with your own phone.

Two parks, two very different characters. Death Valley is the huge, quiet, brutal one. Joshua Tree is the smaller, busier, friendlier one that everyone can reach. Together they cover most of what a California stargazer wants, and a third park, Anza-Borrego, covers the rest if you are near San Diego.

The two heavyweights: Death Valley vs Joshua Tree

Both parks hold International Dark Sky Park status from DarkSky International. Death Valley was designated in 2013, the third and largest dark sky park in the US park system. Joshua Tree followed in August 2017, the 10th. Beyond that certificate, they could not be more different to visit.

Factor	Death Valley	Joshua Tree
Designation	Dark Sky Park since 2013, third and largest in the US system	Dark Sky Park since 2017, 10th in the US system
Best season for nights	October to April; summer days are punishing	September to May, mild days and cool nights
Darkness	Among the darkest skies in the US, spread across a huge park	Darkest near Cottonwood in the south; town glow reaches the north end
Where to stand	Deep interior pullouts, away from Furnace Creek and Stovepipe Wells fixtures	Four designated lots: Quail Springs, Hidden Valley, Cap Rock, Ryan Mountain
Real hazards	Heat, remote roads, playa floods after rain	Surrounding towns bleed light into the park
Signature event	Ranger night sky programs and telescope nights	Annual Night Sky Festival and ranger programs

One honest note: neither park is a light-pollution-free bubble. Joshua Tree's north end catches glow from the Morongo Basin towns, which is why the designated areas and the southern campgrounds matter. Death Valley has a bigger wild interior, but you still want to get away from the lit facilities before you set up.

Sand dunes in Death Valley National Park beneath a star-filled night sky, mountains on the horizon. — Death Valley National Park

Death Valley after dark

Start with the numbers, because they set the tone. Death Valley is the lowest point in North America, 282 ft (86 m) below sea level at Badwater Basin. It is the hottest place on Earth by record, 134 °F (57 °C) at Furnace Creek on July 10, 1913, per the National Park Service. And it is the largest national park in the lower 48, roughly 3.4 million acres. All of that scale is why its sky is so dark. There is nowhere for light to gather.

The park's own dark sky page opens with a line from the astrophysicist Tyler Nordgren: at Death Valley, the sky literally begins at your feet. That is the right mindset. On a moonless night the Milky Way rises over the Amargosa Range and the air is dry enough that the stars seem to have edges.

For my money the best foregrounds are the dunes in the Mesquite Flat area and the salt flat at Badwater, but the real move is to get away from the Furnace Creek and Stovepipe Wells lights before you set up. Ranger-led night sky programs run through the season with telescopes. The lowest, driest, hottest place in North America is also one of its darkest, and that contrast is the whole point.

Joshua Tree after dark

Joshua Tree is the park most Californians can actually reach. When DarkSky International announced the 2017 designation, it noted the park sits only a few hours' drive from over 22 million people. You can leave Los Angeles after work, be under certified dark sky by full dark, and still get home at a reasonable hour. That is rare.

The light-touch routing is simple. The four designated stargazing areas are the parking lots at Quail Springs, Hidden Valley, Cap Rock and Ryan Mountain. Stay within 20 ft (6 m) of your vehicle, set up a chair, and the park says you are fine. The darkest skies are in the south, around Cottonwood Campground, and the Pinto Basin Road between the Cholla Cactus Garden and Cottonwood sees the least traffic. On a moonless night from spring through fall, the Milky Way core slides above the eastern hills and the twisted trees make a ridiculous foreground.

The 20 ft rule is worth taking literally. Joshua Tree closes its Day Use areas from dusk to dawn to protect wildlife, does not allow overnight camping in parking lots, and wants you alert near your vehicle. It is also the one park here where you will probably meet other stargazers, so keep your own red light on and off their telescopes.

The Milky Way and green airglow over Mono Lake in California's Eastern Sierra. — Mono Lake

The Eastern Sierra and the state's first dark sky park

If you want more of California after the two marquee parks, two places earn a mention.

Mono Lake in the Eastern Sierra gives you altitude and a tufa foreground, and it is a natural stop on a Mammoth or Yosemite trip. It is not a certified Dark Sky Park, so treat it as a bonus. Yosemite and Sequoia have dark pockets but more trees, more weather and more closures.

Moonlit Alabama Hills in the Eastern Sierra beneath a star-filled night sky. — Alabama Hills

Star trails over an alpine lake in California's Eastern Sierra. — Eastern Sierra

Moonlight over McWay Falls at Big Sur on the California coast. — Big Sur

The real sleeper is Anza-Borrego Desert State Park, the first park in California certified as an International Dark Sky Park (2018). The town of Borrego Springs has been a Dark Sky Community since 2009, the first in California and only the second in the world at the time. If you are near San Diego, skip the Death Valley slog and head east into Anza-Borrego instead.

The tribes of this land and their night sky

California has the largest Native American population of any state in the country, and 109 federally recognized tribes, more than any other state. The dark places in this guide are not empty land. They are homelands, and the people who know them best have watched these same skies for generations.

Death Valley is the homeland of the Timbisha Shoshone. The tribe still lives in and stewards the valley, and the park's own entrance signs carry the line "Homeland of the Timbisha Shoshone." The Timbisha Shoshone Homeland Act of 2000 returned nearly 7,800 acres to the tribe.

Joshua Tree sits on the ancestral lands of the Serrano, Cahuilla and Chemehuevi peoples, with the National Park Service also naming the Mohave. Mono Lake is the home of the Kootzaduka'a, the southernmost band of the Numu, the Northern Paiute. Their name comes from the alkali fly pupae they harvested along the shore, a food so central it named the people. In the Owens Valley, the Big Pine Paiute and the Lone Pine Paiute-Shoshone tribes hold the land around the Alabama Hills. Big Sur is the country of the Esselen and Salinan peoples.

I want to be honest about what I am not going to do here. I am not going to retell their star stories as a fun fact. Much of this sky knowledge is spiritual and ceremonial, and some of it is deliberately not shared with outsiders. That is not a gap in my research. It is their right. The respectful move is to know who the land belongs to, and to let them tell their own stories on their own terms.

Traveling this land with respect

The practical version of respect is simple: know whose land you are on, and spend money with the people who belong to it.

None of the parks in this guide require a tribal guide to enter, the way Canyon de Chelly does in Arizona. But the tribes here run their own programs, and some places are best seen with them. The Timbisha Shoshone offer cultural programs in Death Valley, and the Mono Lake Committee tells the Kootzaduka'a story as part of the lake's visitor experience. When a tribe offers a tour, a talk or a cultural program, take it. That is the difference between passing through and actually meeting the place.

Buy from Native-owned businesses. Trading posts, galleries, food stands and lodges run by the tribes keep money in the community and keep the culture alive. In the Owens Valley, the Big Pine and Lone Pine tribes run their own enterprises. Ask at a visitor center who is Native-owned and who is not, and put your dollars there.

And respect the land itself. Do not climb on rock art, do not collect anything, do not walk onto ceremonial ground. If a sign says stay out, stay out. The dark sky you came for has been watched from these places for a very long time, and the people who watched it first are still here.

When to go: season and the moon

Two variables decide your night, and the moon matters more than the season.

Check the moon before you check the road. The sky is best in the week around each new moon, when the moon is out of the way. A full moon, even in a dark park, washes the Milky Way into a faint streak. Moonlight is the single biggest thing you control, because you control the date. The full 2027 calendar of dark nights is in our Milky Way viewing guide.

Season is about temperature and the galactic core. The Milky Way core is visible from roughly March through October. In Death Valley, that overlaps with brutal summer heat, so the practical window is spring and fall, October to April for comfort and September to May at Joshua Tree. Winter nights bring Orion, Taurus and the Pleiades instead of the galactic core, which is its own kind of spectacular and means the season does not end in October. Almost every reliable meteor shower, from the Perseids in mid-August to the Geminids in December, lands in a park you can reach from LA.

What to pack and how to behave

There is no clever gear here, just discipline.

Bring a red headlamp or flashlight, layers (desert nights drop fast, even in summer), water, a folding chair, and closed-toe shoes. It takes 20 to 30 minutes for your eyes to adapt to full dark, and a single white-light glance from your phone restarts that clock. Keep your screen brightness at zero and use a red filter. Joshua Tree also bans painting with light in its stargazing areas, which is a good rule everywhere.

For photos, a tripod, the widest aperture lens you own, and a manual shutter speed around 25 seconds gets you most of the way. The parks have no running water in most backcountry spots, so pack what you will drink.

What to avoid

The classic mistakes are all preventable. Do not go on a full moon. Do not go in July to Death Valley and pass out from heat before the stars even come up. Do not expect the parking lots in Joshua Tree to be empty on a Saturday in spring, because they will not be. And in Death Valley, do not drive onto a playa after rain, because the surface turns to clay soup that will swallow a car, and do not trust a road map over current flood alerts.

The other rule is the quiet one. Joshua Tree sits within a few hours of tens of millions of people, which is exactly why the dark is worth protecting. Red lights, quiet voices, and your trash out with you. The skies are the attraction and they are also the reason to be careful with everything lighter than a star.

Frequently asked questions about stargazing in California

The parks do a better job of answering the basics than I could, so the short answers are above. The longer context on picking a park, reading a moon chart and planning a route lives in our complete astrotourism guide. And if you would rather skip the route planning on a Mojave or Sierra night, that is what our small-group California voyages handle end to end.

Sources

Death Valley National Park, International Dark Sky Park (DarkSky International, designated 2013)
Death Valley's Dark, Starry Nights (NPS, February 20, 2013)
Joshua Tree National Park, International Dark Sky Park (DarkSky International, designated 2017)
Joshua Tree Stargazing (NPS)
Anza-Borrego Desert State Park, International Dark Sky Park (DarkSky International, designated 2018)
Death Valley Frequently Asked Questions (NPS; Badwater 282 ft, 134 °F record)
On This Day: Earth's Hottest Temperature (NOAA NCEI; 134 °F, July 10, 1913)
California Tribal Communities (Judicial Branch of California; 109 federally recognized tribes, largest Native American population)
Timbisha Shoshone Demonstration (NPS; Death Valley homeland, Homeland Act 2000)
Joshua Tree: Native Peoples (NPS; Serrano, Cahuilla, Chemehuevi, Mohave)
Kootzaduka'a People (Mono Lake Committee; southernmost band of Numu, alkali fly pupae)
Esselen Tribe of Monterey County (Esselen; Santa Lucia Mountains, Big Sur)
Salinan Tribe (Salinan; Central Coast)
Big Pine Paiute Tribe (Big Pine Paiute, Owens Valley)

Last fact-checked: October 23, 2026.

Frequently asked questions

Can you see the Milky Way in Death Valley and Joshua Tree?

Yes. Both are certified International Dark Sky Parks, and on a moonless night the Milky Way core is visible to the naked eye from March through October. Death Valley has some of the darkest skies in the United States; Joshua Tree's darkest corner is near Cottonwood Campground in the south.

When is the best time to visit Death Valley for stargazing?

Go between October and April, when days are comfortable and nights get cold enough to make you glad you packed layers. On a moonless night in this window the Milky Way core is up after dark. Summer is possible but routinely hits 110 °F (43 °C) or more in the day, which rules out a lot of people.

Where is the darkest place to stargaze in Joshua Tree?

Cottonwood Campground in the southern end of the park has the darkest skies, and the Pinto Basin Road between the Cholla Cactus Garden and Cottonwood has the least traffic. The four designated stargazing areas are the Quail Springs, Hidden Valley, Cap Rock and Ryan Mountain parking lots.

What is the annual Night Sky Festival at Joshua Tree?

The park hosts an annual Joshua Tree National Park Night Sky Festival with ranger talks, telescopes and stargazing programs. Rangers also run regular night sky programs through the season; check the park calendar or any visitor center for dates.

Is Anza-Borrego worth a separate trip?

If you are already in San Diego County, yes. Anza-Borrego Desert State Park was the first park in California certified as an International Dark Sky Park (2018), and the town of Borrego Springs has been a Dark Sky Community since 2009. It is real desert dark sky without the Death Valley drive.

What should I bring to stargaze in the California desert?

A red headlamp or flashlight, layers (night temperatures drop fast), water, a chair, and closed-toe shoes. It takes 20 to 30 minutes for your eyes to fully adapt to the dark, so keep white light off or you restart the clock. Do not use white flashlights or paint with light.

Can you camp overnight to stargaze?

Yes, in campgrounds. Joshua Tree has nine campgrounds and Death Valley has several, including developed ones by the road. Overnight camping is not allowed along roadsides or in parking lots, and Joshua Tree's Day Use areas close from dusk to dawn to protect wildlife.

What about Mono Lake, Yosemite and Sequoia?

They are worth a visit, but none is a certified Dark Sky Park. Mono Lake in the Eastern Sierra is a reliable stargazing stop with a great foreground and real altitude. Yosemite and Sequoia have dark pockets but more trees, more weather and more closures, so treat them as a bonus, not the main event.

Is it respectful to stargaze on tribal land in California?

Yes, in the parks and public lands in this guide, which are open to everyone. The respectful part is knowing whose land you are on, taking a tribal tour or program when one is offered, and buying from Native-owned businesses. Do not climb on rock art, collect anything, or enter closed or ceremonial ground.

How do I learn about the tribes of the places I visit?

Start at the park visitor center and the tribe's own website. Death Valley's entrance signs name the Timbisha Shoshone as the homeland people, and the Mono Lake Committee tells the Kootzaduka'a story. Ask who is Native-owned before you spend money, and take a tribal program when one is offered.

Death Valley, minus the guesswork

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Abdul Dremali

Astrophotographer, astrotourism authority, and founder of Starlight Voyages. He serves on the Board of Directors of the Astronomical Society of the Pacific and is an advocate for DarkSky International, leading dark-sky expeditions across the American Southwest, North Africa and beyond.